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  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    正确Fes Cds40z0稀硫酸还原除杂一滤液电解→锌Z50浮选精矿滤渣3滤渣2O.8M相关金属离子[cM)=0.1moL]形成氢氧化物沉淀的pH范围如下:气体滤迹1Zn2+Cd2*Fe2+金属离子Fe3+6.27.46.3开始沉淀的pH1.58.38.2t9.4沉淀完全的pH2.8回答下列问题:(1)焙烧过程中主要反应的化学方程式为,(2)滤渣1的主要成分除510,外还有Pb04一;氧化除杂工序中Zn0的作用是若不通入氧气,其后果是心第(3)溶液中的cd2+可用锌粉除去,还原除杂工序中反应的离子方程式为,(4)电解硫酸锌溶液制备单质锌时,阴极的电极反应式为沉积锌后的电解液可返回年感摩维线能用.崇言的测职国,冰,出加,屏这8中木水力02日:食面米达江有23.(15分)硫酰氯(S02C2)和亚硫酰氯(S0C2)都是重要的化工试剂,均易水解。Q(1)甲同学在实验室利用S02和C在活性炭催化作用下制取s02C2,装置如图所示。士旅酸、心皆裤途量酸Na,SO,圆体51置中反应容器的名称是送您凝管进水口是M(填㎡或,B生王提管盘质是狱还硫®正如心意中生餐置(可五复选用,其连谁时为时的C代

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    16.下列有关说法正确的是①糖类、油脂、蛋白质都是由C、H、0三种元素组成②淀粉和纤维素的通式均为(CHO,两者互为同分异构体③植物油能使酸性高锰酸钾溶液褪色④油脂的皂化反应生成高级脂肪酸盐和甘油⑤糖类、油脂、蛋白质都是高分子化合物,都能发生水解反应⑧饱和硫酸钠溶液或硫酸铜溶液均可使蛋白质溶液产生沉淀,原理相同A.2个B,3个C.4个D.5个第Ⅱ卷(非选择题,共52分)1二、填空题(本题共5小题,共52分)17、(10分)现有下列7种物质CHOH①CH,CH,OH②③CHa④CH3-CH=CH-CHCH,OHCH2-COOH⑤⑥CH2=CHCHO⑦CH3COOHNH2(1)用于制造炸药TNT的是(填序号),写出用其制备TNT的化学方程式(2)具有两性的是(填序号)。(3)有机物①的沸点比②(填“高”或“低”)(4)有机物④形成的高聚物结构简式为(⑤)写出用新制氢氧化铜检验有机物⑥中含有醛基的化学方程式(6)写出有机物②与足量的有机物⑦充分反应的化学反应方程式18.(10分)已知某有机物M含有碳、氢、氧三种元素,M中碳的质量分数为54.5%,氢的质量分数为9.1%。(1)M的实验式为(2)己知M的蒸气密度是同温同压条件下二氧化碳密度的2倍,则M分子式为(3)用核磁共振仪测出M的核磁共振氢谱中峰面积之比为1:3:1:3;利用红外光谱仪测得M的红外光谱如图所示。高二化学第5页(共8页)

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    17.(17分)工业废水和废渣中会产生含硫(2价)污染物,需经处理后排放。【.含硫废水硫元素的主要存在形式为H$),需要回收处理并加以利用。(1)用$0、02处理含硫废水有关反应如下:2HaS(g)+30(g)=2S0:(g)+2H:O(g)AH4H:S(g)+2S02(g)=3S:(g)+4H2O(g)AF22Hg+0g=2H0(g△则HS热分解反应2HS(g)=S(g)+2H(g)的△什▲(用含△H、△h、△品的式子表示)。(2)用H02处理含硫废水,硫元素易被氧化为S或S0:。已知:HS溶液中含硫微粒的物质的量分数随pH变化情况如题17图1所示!①向含流废水中咖入稀HS0调节溶液的pH为6,废水中cS):cHS)厂▲。②向含硫废水中血入H02溶液,其他条件一定,测得硫2价的去除率、硫(单质)的生成率与加入比0溶液体积的关系如题17图-2所示。当加入H02溶液体积大于9mL时,硫的生成率随HO溶液加入而降低,可能的原因是▲.0100180特08质600.e8040分0.470020.089101112670810213.014pH0溶液)/ml题17图-1题17图2(3)催化氧化法,M02可用作空气氧化含硫(2价)废水的催化剂。碱性条件下,催化氧化废水的机理如题17图3所示。光显.C0光合0、H000吸附态氧原子碳棒水-Mo Mo-☐空位积物碳棒器OH+7777777m0FeS化面鱼氧化国50777777题17图3题17图4①该反应过程I、Ⅱ可描述为▲。②催化剂使用一段时间后催化效率会下降,处理的方法是用氯仿CHC6)浸取催化剂,再将催化剂千燥即可,催化剂使用一段时间后催化效率降低的原因是▲。L.含硫废渣(硫元素的主要存在形式为FeS2),可以回收处理并加以利用。(4)沉积物微生物燃料电池可以将沉积物中的化学能直接转化为电能,同时加速沉积物中污染物的去除,燃料电池处理含硫废水的工作原理如题17图4所示。①碳棒b处S生成S0:的电极反应式为▲。②工作一段时间后,电池效率降低的可能原因为▲。高二化学第6页共6页

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    2022高考名师原创·冲刺预测卷(二)英语全卷满分150分考试时间120分钟注意事项:1,答题前,考生务必将自己的姓名、准考证号填写在试题卷和答题卡上。2.作答时,将答案写在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。3.考试结束后,本试题卷和答题卡一并上交。第一部分听力(共两节,满分30分)超第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1.Where does the woman want to have dinner?A.At the Snow White Cafe.B.At the Blue Moon Restaurant.C.At the Red Rose Restaurant.2.What is the man doing?A.Asking the way.数B.Helping the woman.C.Doing shopping.3.What did the man plan to do in the company?A.Get his car repaired.B.Pick up Mr Beringer.C.Attend an interview.4.What are the speakers mainly talking about?A.The man's grandma.B.WeChat.C.Online shopping.5.Why did the woman feel busy on weekend?A.She was preparing for an exam.B.She had to take care of her mother.C.She went on business with her father.第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟:听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料,回答第6、7题。6.How did the man travel around the world?A.By car.B.By motorbikeC.By train.7.What did the man think of cyeling?A.Not adventurous.B.Impractical sometimes.C.A bit boring.听第7段材料,回答第8,9题。8.Which place is the woman going to first?A.The gym.B.The library.C.The classroom.【2022高考冲刺卷·英语卷(二)第1页(共8页)】2022.03.2721:41

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    听写29利用化学方程式的简单计算化学用语每日听写1.写出符合如图转化关系的化学方程式。①HO①②KMnO②KCIO;③0③④④H202在下面空白处把写错的化学方程式订正过来。核心要点每课过关2.利用化学方程式的计算。理论依据:化学方程式中各物质之间的质量比是规范步骤:解、设、写、列、比、求、答。设未知数时不能带;列数据时理论数据,实际质量;求出结果时数据要带;最后要b九年级化学上·R安徽专用29

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    听写17原子核外电子的排布离子的形成化学用语每日听写1.请画出下列粒子的结构示意图。氢原子氦原子碳原子氮原子氧原子钠离子镁原子铝离子硫离子氯原子氟原子钙离子在下面空白处将画错的粒子结构示意图订正过来。核心要点每课过关2如图所示某原子的核电荷数为,核外有个电子层,在化学反应中该原子容易电子。3.构成物质的粒子有和,如氢气的构成粒子是,汞的构成粒子是,氯化钠的构成粒子是九年级化学上·RJ。”。华。。。””▣”。””。。和年”

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    第6章物质结构与性质学生用人书10.(2022·江苏模拟)砷元素广泛地存在于自(1)钠在火焰上灼烧产生的黄光是一种然界,单质以灰砷、黑砷和黄砷形式存在,(填标号)。题答其化合物被运用在农药、除草剂、杀虫剂A.吸收光谱B.发射光谱号案中。下列有关砷元素及其化合物的说法正(2)下列Mg原子的核外电子排布式中,能A组确的是量最高的是能量最低的是A.基态As的电子排布式为[Ar]4s24p(填标号)。B.灰砷、黑砷和黄砷是砷的同素异形体a.1s22s22p3s23p3p3p2C.AsH,在同族简单氢化物中沸点最高b.1s22s22p33s23p23p3pD.第一电离能:I1(Ge)

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    中国联通。囵米辽芯令6l77%*1早上822down your relationship.2023届高三湖北十一校第一次联考英语试题第8页(共12页)39You don't want to fight so you try not to bring up subjects that lead only to pain and disconnection.Theproblem is that avoiding them leads to pain and disconnection anyway.Unless you leamn how to have hardconversations productively,you will get more and more disconnected until your relationship is in danger ofending.You regularly feel misunderstood or unheard.No matter how hard you try,you don't feel understood.Perhaps your partner has expressed the same feeling.Over time the disconnected feeling does damage to your relationship.It's important to leam how to communicatein a better way,so that both you and the other person feel heard and understood.40To be heard,yourpartner will need to leam how to listen.For you,to be able to hear your partner,you will need to do the same.A.You avoid discussing certain topics.B.You argue with your partners about some issues.C.If you can't resolve issues,they will continue to show up.D.This requires more than just speaking to your partner or vice versa.E.Then,you can leam how to communicate in a more productive way.F.If you leave conflicts unsettled,you will feel disconnected and lonely.G.Effective communication requires much more than being able to speak.第三部分语言运用(共两节,满分30分)第一节(共15小题:每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。Five years ago,a friend asked me to look after his cat while he went on holiday,and I realized the idea hadpotential on a bigger scale.So I moved to London and decided to 41 cat sitting.For me,cat sitting is about 42 two groups of people who need what the other can offer.I get to stay inpeople's 43 without rent while they're on holiday.The owners get 44 cat sitting.It also means thatthere is someone to keep an eye on their homes while they are away.It seems a fairer 45 than just wateringplants or walking dogs-I'm more of a cat person.I have always loved cats,and their gentle temper makes them ideal46 for someone working fromhome.Cats have such different personalities,so it's not surprising that I 47 more with some than others.An owner once told me not to48her cat to sit on me,as it had happened only once.But just four days later.the cat came over and sat on my lap.I sent her a photo!Cat sitting helps me with my49anxiety disorder,too.I want to be around people,but sometimes Ican't.Sometimes,this anxiety even5me from leaving the house.But since becoming a cat sitter my2023届高三湖北十一校第一次联考英语试题第9页(共12页)

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    七年级(上)Unis-2综合能力训练听力原文及参考答案听力原文A)请听下面5段对语。每段对话后有一小题,从题中所给的A,BC三个选项中选出最佳选项。听完每段对话后,你都将有10秒钟的时间回答有关小题和阅读下一小题。每段对话读两遍。1.M:Good morning!I'm Jack Green.What's your name?W:Hello,Jack!I'm Sarah Smith.2.M:Hi,Linda!Is this your familyphoto?W:Yes.My father,my mother,mysister and I are in it.3.M:Hi,Julie!What's this in English?W:It's a photo.A girl is in the photo.M:What's that?bW:It's a dog4.W:Is your sister's name Daisy,Mark?M:No,Daisy is my cousin.My sisterpeis Kate.55.M:Hello,JuieI have a great photo!W:Really?Is it your family photo?(54M:No,it's my pet dog,Doudou.四veryW:Wow!It's a great photo!B)请听下面4段对话。海段对话后有几个小题,从题中所给的A、洗项中选出最佳选项。听

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    第四章非金属及其化合物A.NHHCOB.NH,ClC.(NH4)2C0D.NH NO,考向3氨气的制备SO,5.(2022广东惠州期中)氨气是一种重要的化工原NaOH溶液料。下列装置和操作不能达到实验目的的是一浓氨水碱石灰NH3.-a意-HCINaOH强溶液A制备氨气,X是碱石灰B.干燥NH发散源NHNH苯屡水C.收集氨气D.尾气处理,防止倒吸☐酒精热水6.实验室可用Ca(OH)2(s)和NH,Cl(s)制取NH,该反应的化学方程式为应该选择的收集装置是考向2铵盐与铵根离子的检验(填字母),验证NH,已收集满的操3.(2022河北邯郸阶段练)下列关于铵盐的叙述中作为正确的是(①所有铵盐中的N元素化合价均为-3价②绝大多数铵盐易溶于水③铵态氮肥不宜与碱性物质混合施用④铵盐都能与碱反应,不能与酸反应⑤所有铵盐受热均可以分解,产物均有NH⑥向NH,CI溶液中加入NaOH浓溶液共热,反考点三硝酸硝酸盐与亚硝酸盐应的离子方程式为NH+OH△NH,↑+H,0考向1硝酸⑦L,和NaC1的固体混合物可用升华法分离1.(2022山东临沂阶段练)下述实验中均有红棕色A.①③⑦B.②③⑥⑦气体产生,对比分析所得结论正确的是()c.②③④⑦D.①②③④4.(2022山东临沂阶段练)为检验一种氮肥的成红热木炭分,某学习小组同学进行了以下实验:①加热浓HNO,-浓HNO。氮肥样品生成气体,其中一种气体能使湿润的一灼热碎玻璃红热木炭浓HNO,红色石蕊试纸变蓝,另一种无色、无味的气体①②③能使澄清石灰水变浑浊;②取少量该氮肥样品A.由实验①中的红棕色气体,推断产生的气体溶于水,并加入少量BaCL2溶液,没有明显变定都是氮的氧化物化。由此可知该氮肥的主要成分是(B实验②中木炭与浓硝酸发生了反应·87,

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    Recently,our neighbor called and asked that if we'd mind looking after her cat Bella for two weeks.She was going topay the visit to her sick parents.My mother instant said,"We'd love to take care of her.So we take Bella home lastinstantlytookweekend.Though Bella are only 10 months old,she is very energy and anything can become her toy.Besides,she oftenisenergeticwaits A us at the window.When we appear,she will race to the door to greet us.Spend time with Bella is just what weforSpendingneed.I often take a walk after her online lessons are over,but Bella is my good companion during the walk.myandOne possible version:Dear Robert,There being a food festival to be held this coming weekend in my neighborhood,I'm overjoyed to extend my sincereinvitation for you to attend it with me.At the festival you'll find lots of local food or snacks featuring our food culture,andcan hear some legendary stories attached to the food.What's more fascinating is that you can try your hand in cooking sometypical Chinese dishes with the guidance of some cooks.There's no denying that this is a rare chance for you to learn aboutChinese food culture.Should you be interested,please contact me,so that I can call for you and make it there logether.Best wishes.Yours,Li Hua作文评分细则一、评分原则1.本题总分为25分,按5个档次进行评分。2.评分时,应主要从内容组织、词汇语法和篇章结构三个方面考虑。具体为:(1)对内容要点的覆盖情况以及表述的清楚程度和合理性。(2)使用词汇和语法结构的准确性、恰当性和多样性。(3)上下文的衔接和全文的连贯性。3.评分时,先根据作答的整体情况初步确定其所属档次,然后以该档次的要求来综合衡量,确定或调整档次,最后给分。4.评分时还应注意:(1)词数少于80的,从总分中减去2分。(2)单词拼写和标点符号是写作规范的重要方面,评分时应视其对交际的影响程度予以考虑。英、美拼写及词汇用法均可接受。(3)书写较差以致影响交际的,将分数降低一个档次。二、内容要点1.活动时间和地点;2.活动内容:品尝美食,展示厨艺;3.期待参加。三、各档次的给分范围和要求第五档(很好):(21-25分)完全完成了试题规定的任务(1)覆盖所有内容要点;(2)应用了较多的语法结构和词汇;(3)语法结构或词汇方面有些许错误,但为尽力使用较复杂结构或较高级词汇所致;具备较强的语言运用能力;(4)有效地使用了语句间的连接成分,使全文结构紧凑,完全达到了预期的写作目的。英语第5页(共6页)

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    阅读第一节A篇主题语境:人与自我一一学习本文是应用文。文章介绍了四个学习项目。2l.A。理解具体信息。根据PetWise Award部分中的It not only teaches students how to keeptheir pets happy and healthy but also about careers where they can work with animals Visitpdsa.org.uk可知,动物爱好者可以浏览PetWise Award项目的网站pdsa.org.uk。22.C。理解具体信息。根据The Link部分中的The Link is the only specialist speech andlanguage magazine written for schools the magazine provides professional and helpfulknowledge about speech,.language and communication skills可知,The Link是一本为学校编写的专业的演讲和语言杂志,因此学生可以通过阅读The Link杂志提升自己的沟通技巧。23.A。理解具体信息。根据PetWise Award部分中的The PetWise Award project is a fun,free,educational resource、The Link部分中的Posted free of charge、Fiver Challenge部分中的The project's free resources以及Encounter Edu Live部分中的free classes可知,文中提到的四个学习项目都提供免费的资源。B篇主题语境:人与自我一一做人与做事木文是记叙文。文章讲述了13岁考取阿拉巴马大学的天才少女Alena的故事。24.D。理解文章结构。根据第一段中的she got accepted into the University of Alabama thisyear.She will start to study at medical school there in2024及第二段首句Alena said shecouldn't have done it without her mother可知,l3岁的Alena考取了有名的阿拉巴马大学,她觉得没有她的母亲她就不可能做到,因此文中的t指代被阿拉巴马大学录取这件事。25.C。理解具体信息。根据第二段中的In fifth grade,though,Alena went back to a traditionalschool可知,五年级时,Alena回到了一所传统学校上学。26.B。理解具体信息。根据第三段中的she started a group named Brown STEM Girl·helpsgirls of color succeed in STEM可知,Alena创立棕色STEM女孩来帮助那些有色人种女孩。27.A。理解主旨要义。天才少女Alena13岁考取了阿拉巴马大学,同时她还创立棕色STEM女孩来帮助那些有色人种女孩,说明她是一个聪明又有爱心的女孩,故选A项。C篇主题语境:人与社会一一科学与技术本文是说明文。双足机器人Cassie挑战百米跑,创下世界纪录。28.C。理解具体信息。根据第二段中的Cassie was developed by engineers at Oregon StateUniversity(OSU).Since its introduction in2017可知,Cassie是2017年由俄勒冈州立大学的工程师研发的。29.A。理解具体信息。根据倒数第二段中的Cassie is not the fastest legged robot.WildCat…can run at a speed of 16 miles an hour.And another four-legged robot Mini Cheetah can runat a speed of 9 miles an hour可知,机器人Cassie,WildCat和Mini Cheetah都会跑。30.D。推断。根据最后一段中Jonathan Hurst说的话Cassie may be the first bipedal robot tolearn to run,but it won't be the last...I think the progress is going to accelerate from here推断,Jonathan Hurst认为将来会有更多的双足机器人。

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    高考快递模拟汇编48套·英语第二节是,“几乎不能”呼吸,应用hardly'“几乎不”来修饰动词体裁:新闻报道主题:人与社会座带有中国设计元素的breathe。故将hard改为hardly。新地铁站第三处:myself-→me【解析】考查代词。根据句意可知,从句的【语篇解读】中国铁建已经完成了位于俄罗斯首都西南部的一个主语是“我的父亲”,宾语是“我”,主语和宾语指代不新地铁站的建设,并在2021年底正式开放。同,不能使用反身代词,let后应接人称代词的宾格形式61.cooperation【解析】考查名词。空处在句中作宾语,根据me作宾语。故将myself改为me。语境可知,此处表示“新地铁站已经成为中俄友好合作的又第四处:patient-→patience【解析】考查名词。介词with后跟名一个里程碑”,空处意为“合作”,故用所给词的名词形式。词patience作宾语。此处表达的是,他耐心地告诉cooperation是不可数名词,故填cooperation。“我”…。故将patient改为patience。62.officially【解析】考查副词。空处修饰动词opened,应用副第五处:doing→do【解析】考查非谓语动词。try one's best to词形式。official的副词是officially“正式地”。故填do sth为固定用法,意为“尽某人最大的努力去做某officially事”。故将doing改为do。63.third【解析】考查序数词。由语境可知,该站和位于莫斯第六处:在help前加he【解析】考查固定短语。with the help科地铁西南段的另外两个,位于莫斯科地铁系统的第三条换ofsb为固定短语,意为“在某人的帮助下”。故在help乘线上。定冠词the后应跟序数词,three的序数词是third。前加the。故填third。第七处:For→T)【解析】考查介词。“to+one's+情感名词”是64.as【解析】考查介词。根据语境可知,句子表示“这条被称固定用法,意为“令某人…的是”。故将For改为To。为‘大环路'的线路也是由中国铁建建造的”。be known第八处:word→words【解析】考查名词。word作“说的话”讲as.…是固定短语,意为“作为…而出名”,因此空处应填as。时,是可数名词,句中指“父亲的话”,所以要用其复数65.designed【解析】考查非谓语动词。分析句子结构可知,形式words。故将word改为words.and后的分句中was是谓语动词,所以空处应用所给词的非第九处:now→then【解析】考查固定短语。from now on意为谓语动词形式。且“European subway project”和“design”之“从现在开始”,from then on意为“从那时起”。由上下间是动宾关系,所以应用过去分词。故填designed。文语境可知,此处讲述的是过去的事情,应是“从那时66.the【解析】考查定冠词。由上下文语境可知,空处应用定起”。故将now改为then。冠词the特指“中俄友谊”。故填the。第十处:删掉t【解析】考查固定句型。“熟能生巧”是谚语,用67.which【解析】考查定语从句。分析句子结构可知,空处引英语表达是“Practice makes perfect..”。故将it删掉。导的是非限制性定语从句,且定语从句中缺少主语,先行词第二节design指物,因此应用which引导该非限制性定语从句。【范文赏读】68.figures【解析】考查名词复数。空前有a group of修饰,故Making friends online空处应用所给名词的复数形式figures:With science and technology developing rapidly,a growing69.have appeared【解析】考查时态和主谓一致。由句中的number of people have been making friends online.时间状语Up to now可知,句子应用现在完成时,主语photosAdmittedly,the Internet makes it convenient for us to befriend是复数,因此空处应填have appeared.。people around the world,which has also broadened our70.to see【解析】考查非谓语动词。be eager to do sth是固定horizons.Besides,with the aid of the Internet,we can keep in close短语,意为“渴望做某事”,因此空处应填to see.touch with whomever we want to remain friends with,wherever第四部分写作they are.第一节But as the saying goes,every coin has two sides.There existsome drawbacks as well in terms of online friendship.People oftenWhen I was nine,I learn to swim from my father,who workedlearned/learntsay that on the Internet nobody knows you are a dog.So the friendsas a swimming instructor.At first I was afraid of entering the waterwe have made online may not be just what we think they are.Then,and could hard breathe.I was about to give up when my father letit is most likely that we'll get cheated by the so-called friends.hardlyEverything taken into consideration,we are supposed to have amyself calm down.He told me with patient that swimming wouldreasonable attitude towards making friends online and think carefullymepatiencebe easy if I put my heart into it and that I should try my best tobefore jumping in with both feet.doing it.Finally,with A help of my father,I practiced again and亮点点评)dothe范文语言准确、鲜明、生动,内容丰富具体,不失一篇成功之again.For my joy,my father's word worked and I could swim by作。在遣词造句方面,作者使用了一些高级短语,如a growingTowordsmyself.From now on,I realized that practice makes it perfect.Asnumber of,broaden one's horizons,with the aid of,in terms of,take...theninto consideration,be supposed to等,这都体现了作者较高的语言time goes by,I have become a professional swimmer.运用能力。此外,作者还用了一些复杂句式,如“Admittedly,the第一处:learn-→learned/I1 earnt【解析】考查时态。根据句中的Internet makes it convenient for us to befriend people around the时间状语从句When I was nine可知,此句描述的是过去world,which has also broadened our horizons.(运用了which引导的事情,所以主句中的谓语动词应用过去式。故将的非限制性定语从句)”,“Then,it is most likely that we'll getlearn改为learned/learnt.cheated by the so-called friends.(运用了it作形式主语,that引导第二处:hard→hardly【解析】考查副词。根据“I was afraid of主语从句)”等,这使文章的表达更富于变化,也是文章的另一大entering the water'”可知,作者害怕水,所以此处表达的亮点。这些都大大提高了文章的档次。D14卷3·英语

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    (上接第1、4版中维ENGLISHEaRNING上期第4版ENGLISHI.1.interrupted(上接第2版)2.astonishedependent and original thinking is3.screaming第二节(共5小题;每小题2.5分,满分12.5分)4.misty5.swollen阅读下面短文,从短文后的选项中选出可he learner is encouraged to thinkught patterns of the teacher.The6.arose项。选项中有两项为多余选项。'teacher'”or“lecturer'”says but7.highlightsWhy is homework imporense,I think this is the best way8.exceptional9.literallyMost students feel homework is a chore,eearn from it.eek philosophy class?10.practicalstudied for the whole day at school,only to firII.1.to2.offing.D.Challenging.in the evening.Even their parents don't work th3.to4.downnaar and the other lecturers?5.inyou,believe it or not.Are you not convinced?Hhis career.Ⅲ.1.A bunch ofHomework is a great way to practise whatnce on him2.helpedherto her feetty among studentsmath especially,repetition through practice is3.out of shapeGreek philosophy.4.goes handin hand withthe concepts taught.om traditional learning?5.depending onIt prepares you for the next lesson.IIV.1.Tired and hungry,wehad to stop to have ahomework to prepare for the next lesson,it's vbreak.so that you can get the most out of the lessonng.2.There is increasinghe text?evidence that eatingHomework teaches you more than just thtoo much food high insugar is.harmful to ourlearning.healthpproach.3.Rather than complaining第一节(共15小题;每小题1分,满分15号about the simple food,阅读下面短文,从每题所给的A、B、they expressed theiraps inspired by a popular songthanks to the owner of入空白处的最佳选项。the restaurant.o Mr.Kalua,he is Trouble by4.As you can imagine,When Jackelyn Kastanis found out her bly,patient,kind,and loving.losing weight is not soshe dropped everything to be by her sideeasy.nt spot"in paragraph 1 mean?5.On the way to the company,Brooke in the hospital room and found an ae is short of money.He is in a difficult situation.my car broke down,soroom.Brooke looked rather upset and there v397I had to have it repairedin the repair shop.like herself and to feel pretty.43,JackelyrV.1.had won2.had read(化妆品)to lift Brooke's spirits.The idea3.had beenchosen4.had been savedfewer painkillers(止痛药)and it changed hof African people?5.confusingInspired by that,Jackelyn wanted to li6.completed7.practisingbattling against cancer.She created a non8.Supported

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    English,so I can communicate and perform well in English.Last but not least,I'm eager to learn,willing to help and ready to cooperate.I'm sure I can serve the club well.I'd appreciate it if you could give me a chance.Looking forward to your reply.Yours,Li Hua第二节One possible version:College was the best thing that could have happened to our relationship.We both got the time weneeded to be ourselves,so we could both grow as people and come to terms with each other.Allof our interactions,phone calls,and visits are much more positive.I didn't take time to appreciatethe work he put in for the family and the effort he really tried to put in for me.We understandeach other so much better now,can communicate better now,and get along better now.Now,I can picture family holidays where I don't end up crying in my room.I can picture a father-daughter dance at my wedding.I can picture us being able to go on lunch dates and games,anddrives down the road ending with both of us being happy.The exciting part is that I no longer haveto picture many of these things;we get to do them now.Dad,I appreciate the effort youcontinuously put in.I admire everything you have done to change and thank you for being mybiggest supporter.部分解析阅读第一节A篇主题语境:人与社会一一艺术本文是应用文。文章介绍了一个牵线木偶表演的服务项目。21.D。理解具体信息。根据Two-Man Show(650)和Notes部分中的Distances over25 milesfrom our Highland Park location at 4949 York Blvd will incur an additional travel fee of $50 flat知,预订地点距离BBMT的位置超过25英里的需要统一额外支付50美元的路费,故一共需要支付700美元。fat(价格等)固定的,一律的。22.B。理解具体信息。根据倒数第三段中的We''ll bring the speaker system;we just ask for apower outlet可知,人们需要准备一个电源插座。23.C。理解具体信息。根据倒数第二段中的For Birthday Celebrations,our marionettes willbring a gift to celebrate the birthday person可知,在生日庆祝活动中,木偶会给过生日的人带来一份礼物。B篇主题语境:人与自然一一灾害防范本文是记叙文。飓风来袭时,一位男士及时地解救了他的母亲。24.C。理解具体信息。根据第一段中的Karen Lauder refused to leave her home because s離hewas wrong about the intensity of the storm Her son,Johnny Lauder,tried repeatedly to get herto leave,,but she refused可知,尽管Karen的儿子多次劝她,但是她认为飓风的强度没那么大,所以拒绝离开她的房子。25.D。理解具体信息。根据第三段中的As he made his way through the water,,Johnny stoppedperiodically to snap selfies to show his worried family that he was okay可知,Johnny在游泳去救母亲的途中不时停下来自拍,是为了向担心他的家人表明他没事,即向家人报平安。26.B。推断。根据第四段中的Johnny was racing against the clock.The sound of Karen

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    气进入三颈瓶(2)排出装置内的氧气,防止亚硝酸钠氧化(3)NO+NO2+Na2 CO=2NaNO,+CO,NO,+H2O(3)FeCl2.4H2O+4SOCl2△FeCl2+4SO2+8HCIHNO2+OH(4)SO-+I12+H2O=SO-+2I+2H+(4)AgNO3溶液(或NaNO2溶液)的相对用量(5)当滴入最后半滴Na2S2O3溶液时,溶液蓝色褪去,且半分钟内不恢复蓝色(5)①2NO2+2I+4H+=2NO◆+L2+2H2O②硝酸钠(或NaNO)(6)24.60(7)75CD解析:由实验装置图可知,制备亚硝酸钠时,先向盛有碳酸钠溶解析:制备SOCl2需要先制取Cl2和SO2,根据装置分析:在装液的三颈烧瓶中通入一段时间的氮气,排尽装置中的空气后,置A中用高锰酸钾和浓盐酸反应制取氯气,氯气中含有氯化氢再通入一氧化氨和二氧化氮混合气体,一氧化氨和二氧化氨在和水,需要先使用装置B中饱和食盐水除去氯化氢,再使用装碳酸钠溶液中反应生成亚硝酸钠和二氧化碳,盛有酸性高锰酸置C的浓硫酸千燥,然后通入装置D的三颈烧瓶中;在装置F钾溶液的洗气瓶用于吸收一氧化氮,防止污染空气。(1)由图中用Na2SO3、浓硫酸发生复分解反应制取SO2,然后经装置F示装置,盛放碳酸钠溶液的仪器名称是三颈烧瓶;(2)通入一段的浓硫酸的干燥作用通入装置D的三颈烧瓶中,发生反应:时间的氨气,排尽装置中的空气,防止亚硝酸钠氧化;(3)由分PC十S0,+C,60-65℃POCl+S0C。(1)根据上迷分析析可知,一氧化氮和二氧化氮在碳酸钠溶液中反应生成亚硝酸钠和二氧化碳,反应为NO+NO2十Na2CO3=2NaNO2+CO2,可知题图中制取SO2的装置为F;(2)装置b连接在球形冷凝NaNO2水解呈碱性,NO2十H2OHNO2十OH;(4)由实管上方,其作用是吸收未反应的Cl2、SO2和SOCl2蒸气,防止验现象可知,向亚硝酸钠溶液中加入硝酸银溶液时,先没有白空气中的水蒸气进入三颈瓶而导致SOCl2水解;(3)FeCl2·色沉淀生成,后有白色沉淀生成,说明白色沉淀的生成于硝酸4H2O受热分解产生无水FeCl2和H2O,SOCl2与水反应产生银溶液和亚硝酸钠溶液的相对用量有关;(5)①由实验现象可SO2和HCl,HCl溶于水使溶液显酸性,又可抑制FeCl2·知,向亚硝酸钠溶液中滴加淀粉碘化钾溶液无明显现象,滴加4H2O发生水解反应,相应反应的化学方程式为FeCl2·4H2O稀硫酸后,溶液变蓝,有无色气体生成,说明酸性条件下,亚硝+4sOC,△FeCb+4SO,+8HCl,(4)SOC。与NaOH在溶酸钠溶液与碘化钾溶液发生氧化还原反应生成硫酸钠、硫酸液中发生反应:SOCl2+4NaOH=Na2SO3+4NaCl+2H2O,当钾、碘、一.氧化氨和水,2NO2+2I+4H+=2NO个+I2+向③所得溶液中加入碘标准溶液时,L2与N2SO3发生氧化还2H2O;②由题意可知,一氧化氮和二氧化氨在碳酸钠溶液中反原反应:SO-+I2+H2O=SO+2I厂+2H+;(5)在步骤④应生成亚硝酸钠和二氧化碳时,可能生成硝酸钠。中,用淀粉溶液作指示剂,用0.1000mol/LNa2S2O3标准溶液滴定过量I2,若I2恰好消耗完全,则溶液会由蓝色变为无色,故步骤④判断滴定终,点的方法为当滴入最后半滴Na2S2O3溶液时,溶液蓝色褪去,且半分钟内不恢复蓝色;(6)根据图示可知滴定前Na2S2O3标准溶液体积为0.30mL,滴定终,点时Na2S2O3标准溶液体积为24.90mL,则消耗其体积V=24.90mL一0.30mL=24.60mL;(7)进行滴定时四次实验消耗Na2S2○3标准溶液体积分别是24.60mL、19.98mL、20.00mL、20.02mL,显然第一次实验数据偏差较大,应该舍去,则平均消耗Na2S2O3标准溶液体积V(Na2S2O3)=20.00mL,根据反应方程式:SOCl2+4NaOH=Na2SO3+4NaCl+2H2O、SO号+L2+H2O=SO+2I+2H+可得关系式:SOCl2~SO号~L2,由L2+2Na2S2O3=Na2S4O十2NaI可知剩余I2的物质的量n(k)=号n(Na:s0,)=合×0.10o0mol/L×0.020L=0.0010mol,由于加入的I2的总物质的量是n(L2)=0.0500mol/L×0.050L=0.0025mol,故Na2S03反应消耗的I2的物质的量为n(I2)=0.0025mol一0.0010mol=0.0015mol,故利用关系式S0Cl2~SO~I2,可知S0Cl2配制的50.00mL溶液中含有溶质的物质的量n(S0C12)=0.0015mol,则2.38g500mL×119gSOC12中其质量分数为0.0015m01×50.00mL2.38g一X100%=75%;A.水解过程,气体吸收不充分,有部分气体逸出,导致消耗I2标准溶液体积偏少,则导致测定的SOC2的质量分数偏低,A不符合题意;B.实际Na2S2O3溶液浓度偏低,其反应消耗I2标准溶液体积偏少,由此导致测定的SOC2的质量分数偏低,B不符合题意;C.实际碘标准溶液浓度偏低,则滴定消耗标准溶液体积偏大,使得反应消耗12标准溶液物质的量偏多,由此导致测定的SOCl2的质量分数偏高,C符合题意;D.滴定达终点时发现滴定管尖嘴内有气泡生成,则剩余反应消耗Na2S2O3溶液体积偏少,剩余I2物质的量偏少,与Na2SO3发生反应的I2偏多,因而导致测定的SOCl2的质量分数偏高,D符合题意。5.(1)三颈烧瓶48

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    18.(15分)草酸亚铁(FC2O4)常用作照相显影剂、新型电池材料等。实验室中以铁粉为原料,制备水合草酸亚铁(FeCO4xH2O)的流程如图所示:HC204铁粉制备干燥的水合草酸(NH)2Fe(SO4)223亚铁晶体己知:I草酸亚铁晶体为淡黄色粉末,难溶于水。.pH>4时,Fe2+易被氧气氧化。回答下列问题:(I)用铁屑制备硫酸亚铁铵[NH4)Fε(SO)2]时,为防止被氧化,可采用下列装置进行实验:稀硫酸搅拌棒铁屑①整个实验要先制备FeSO4溶液,然后使A中制得的FeSO4溶液进入B中发生反应制备硫酸亚铁铵溶液。制备硫酸亚铁铵溶液时需(填“打开”或“关闭”,下同)分液漏斗的活塞、KI、K2:②B中应加入(填化学式)。(2)“制备”时加入H2C2O4而不是Na2C2O4等草酸盐的原因是涉及的主要离子方程式是(3)析出水合草酸亚铁晶体后,需经过静置、低温烘干等操作,得到干燥的水合草酸亚铁晶体。欲检验溶液A中F®+是否被氧化,可选用的化学试剂是(写名称)。(4)已知:FeC2O42H2OM=180g/mol)受热分解1.00.8时,固体质量随温度变化的曲线如图所示。加0.6热到400C时,固体的成分是(填化学0.4B式)。0.2300400500温度/℃共8页第7页

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    溶液检验食盐中IO3的存在,D项正确。11.(1)C12O2(2分);HC1O(2分)(2)H+十OH—H2O(或其他合理答案)(2分)(3)氯元素为0价,化合价既有降低的趋势,又有升高的趋势(2分)(4)MnO2+4HCI(浓)△MnCl2+C2◆+2H,O(2分);AC(2分)(5)B(2分)(6)NaC1O+H2O2=NaCl+H2O+O2(2)【解题分析】(1)由图可知,Y是C1元素的化合价为+7的氧化物,则Y的化学式为C2O,,Z是C1元素的化合价为+1的酸,则Z的化学式为HCIO。(3)氯气中的氯元素为0价,化合价既有降低的趋势,又有升高的趋势,因此氯气既有氧化性又有还原性。(4)实验室用二氧化锰与浓盐酸在加热条件下反应生成氯化锰、氯气和水,该反应的化学方程式为MnO,+4HC1(浓)MnCl2+C12◆+2H,O:因此盐酸既体现还原性,又体现酸性,(5)反应中,NaClO是氧化剂,HC1是还原剂,部分被氧化,则n(氧化剂):n(还原剂)=1:1,A项正确,B项错误;NaClO是氧化剂,Cl2是氧化产物,则氧化性:NaClO>Cl2,C项正确;C2中Cl元素来自NaClO和HCl,既是氧化产物又是还原产物,D项正确。(6)根据题干信息可知,NaClO和H2O2反应生成O2和NaCl,该反应的化学方程式为NaC1O+H2O2 =NaCl+H2O+O2.12.(1)Cl2+2OH-=CI-+ClO+H2O(2分);冰水浴冷却(或将Cl2缓慢通入NaOH溶液中等)(2分)(2)①(直形)冷凝管(2分);碱石灰(2分)②H:N:N:H(2分)ⅱii③N2H4·H2O+2 NaClO=N2+2NaCI+3H2O(3分)④蒸发结晶(2分);趁热过滤(2分)【解题分析】“步骤I”中Cl2与NaOH溶液反应生成NaCl、NaCIO和H2O,“步骤Ⅱ”中尿素与NaClO、NaOH反应生成N2H4·H2O、Na2CO3、NaCl,“步骤Ⅲ”分离出N2H4·H2O。(1)Cl2与NaOH溶液反应制备NaClO溶液的离子方程式为C2+2OH-=CI-+CIO-+H2O;该反应为放热反应,为避免副反应发生,需控制温度不高于40℃,可采取的措施是冰水浴冷却、将Cl2缓慢通入NaOH溶液中等·31【24·G3AB(新高考)·化学·参考答案一R一必考一QGA一Y】

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    22.Why do few people live in SGSSI-MPA?A.Thecime istoo extreme就领身★物Brgepreservation尉英三高CCme fishing is banned.the Atlantie cea28.What ce the four reserves have in common?处事意ATren the Pacific Ocean.3N的台自群8尘是请然B.They are marine reserves.于品用,来据想小冠出留,出感数8C.They have some canyons.对家容时其洛两,司角着划粉用还典需的冷大1等本金才ves.D.They contain plains.答所等后水饼,司束州生BastalBomin France.but raised in Spain,linguistics and literature professor Juan Jose Ciruelatatsiversity of Grand passionate about Chinese er and has beeruth-do some researc about it.With painstaking effort,his Spanish translation of a Chineseforclassicwas published last year.,代ralthe nveinteresting chllenge n reentyarsChinbend o Spain.However,s of them had bnrahenrom that langue Spanis mueh of therios&lesFhen the Spanish publishing house Kailasnted Ciruelatorasateh-direChnes,he accepted the missionmediate,even ifi presentedifficueslike a heavy workload within a short time limit.ounered various difficulties,especially at the beginning of the task,said Ciruela烟in an interviw."This novel,in particular,needs a prior reading process in which the transla-tor getsn the plot and the characters,since at first it is difficult to enter the world that the哈novel constantly raises.So I read the novel first in Chinese,paying attention to all those detailsand how all of that could be translated in a way that the Spanish readers would understand."图For Ciruela,the most important criterion when translating is fidelity (to the origi-nal text.While it is true that one cannot always be strictly faithful,he believes translatorsshould not be too far from original texts.For example,the translation of culturemes(expres-sions of culture in language)is quite complicated due to the cultural gap between Spanish andChinese.Ciruela believes that these must always be appropriate to the specific function theyperform within the text,in each specific case and moment.自须权面子24.What does the underlined phrase"that language"probably refer to?池煎出出量出中A.Spanish.B.English.白C.Chinese..间ti答hD.French.25.What caused Ciruela to translate the Chinese classic?沙了,0第外回,得材自3四A.His passion for Spanish literature.obo时719ls9ewWB.His determination to popularize it.eonot aM o smit bn【高三英语第4页(共10页)】517C·HUN·

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    S,化学方程式为2S,C12+2H0一S02个+3S↓+4HC1,D正确。14.答案:C解析:A.镧系元素位于元素周期表中第六周期第ⅡB族,故A错误;B晶胞中A高子数目为8x=1B高子数目为1,C高子数目为6×3,则该化合物P的化学式为ABC,故B错误;C.02核外电子式为10,根据能量最低原,基态02的电子排布式为1s22s22p°,故C正确:D.以顶点A离子研究,与之最近的A离子处于同一棱的顶点位置,补全晶胞可知,A离子周围最近的A离子有6个,故D错误;故选:C。15.答案:B解析:①烷烃为饱和链烃,每个碳原子都形成四个单键,正确;②烷烃性质稳定,不能使酸性KMO,溶液褪色,错误;③分子通式为CH,的烃一定是烷烃,错误;④烷烃在光照条件下都能和氯气发生取代反应,正确:⑤乙烷与溴水不能发生化学反应,错误。16.答案:D解析:向蔗糖的水解液中加入N0H溶液至溶液呈碱性再加银氨溶液,水浴加热,生成光亮的银镜,可说明水解产物具有还原性,则验证蔗糖水解产物具有还原性的操作顺序为①⑤②④⑤;蔗糖属于非还原糖,不能发生银镜反应,则脸证蔗糖属于非还原糖的操作顺序为④⑤。二、非选择题:本题共4小题,共计52分。17.(10分)答案:(1)第二周期第IA族;:N::N(2)H2O;(NH4),CO(或H4HCO3等)(3)Na2C0+2HNO一H,0+C02↑+2NaNO(合理即可)(4)AC

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    【补充解释】tax return(para.3:纳税申报表be tied up(para.5):被缠住;不能分身B篇主题语境:人与社会一一体育本文是记叙文。文章讲述了女运动员Carol Blazejowski的篮球之路及其带来的影响。24.C。理解具体信息。由第二段中的I grew up..to be a female athlete和第三段中的It wasa time.for girls可知,在Carol成长的那个时代,女运动员是不被接受的,针对女孩子的篮球项目更是鲜有,所以没有女孩跟Carol一起打篮球。25.D。推断。由第四段中的Title IX may have.weren't observing it可知,学校对这项法律的要求视而不见,说明他们内心并不支持。26.B。理解具体信息。由第五段中的The New Jersey.basketball team可知,Carol选择这所大学的原因之一是它有一个篮球队,她被这点所吸引。27.A。推断。由全文内容可知,本文主要介绍了Carol不顾社会阻力踏上篮球生涯,并通过自己的奋斗和成就对女性体育运动产生了深远的影响。由此可推知,文章可能出自一本人物杂志。【补充解释】pick up stream(para.1:渐成气候Titleⅸ(para.4:教育法修正案第九条,于1972年6月23日实施的美国法律,规定任何人都不应该因为性别的原因被排除在由联邦资助的教育和活动计划之外,不能被剥夺这个计划和活动提供的待遇,也不能因性别原因受到这个计划和活动的歧视。C篇主题语境:人与自然一一自然生态本文是说明文。文章为马达加斯加的扎哈梅纳国家公园的简介。28.C。理解具体信息。根据第二段中的It has an overall land coverage of64,300 hectares,butonly42,000 hectares is open to the public due to strict conservation reasons可知,扎哈梅纳国家公园部分对游客开放。29.C。理解具体信息。根据第三段中的One really interesting thing about the ZahamenaNational Park…at the same time in this park可知,扎哈梅纳国家公园里同时具有多种生态系统,因为这里独特的高原地形特征。30.B。理解具体信息。根据倒数第二段中的The Zahamena National Park gets its name fromthe local Zahana Mena tree,an uncommon type of hardwood可知,扎哈梅纳国家公园是以当地的一种非常坚硬的树木命名的。31.A。理解主旨要义。通读全文可知,文章主要介绍了扎哈梅纳国家公园的概况。D篇主题语境:人与社会一一科学与技术本文是说明文。文章简要介绍了电子计时器的发展历史。32.B。理解具体信息。由第一段中的Electronic timing is..the1912 Stockholm Olympics可知,电子计时器首次使用是在奥运会上。33.C。理解主旨要义。由第二段中的For the first time in history...be“slightly ahead”和第三段中的内容可知,第二段主要说明了终点摄像机的重要作用。34.A。理解具体信息。由倒数第二段中的The only difference...the moving film可知,八十年代的数字摄影机用阵列传感器取代了狭缝摄影机中的滚动胶卷。35.D。推断。由最后一段中的内容可知,科技发展到百年后的今天,整个计时系统都可以

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    全国@0所名校高三单元测试示范卷札记51.A.rewardsB.suggestionsC.punishmentD.hesitation52.A.hardlyB.indeedC.everD.instead53.A.decreaseB.combineC.achieveD.improve54.A.helpfulB.hopefulC.carefulD.graceful55.A.truthB.caseC.methodD.idea【答案与解析】专家的意见并不总是对的,我们不必迷信专家。41.B令人奇怪的是,研究者发现很多专家的意见并不比其他人的意见更好一专家只是给出了更多的建议。42.D“精彩的表现和良好的教学并不总是同一件事,因此我们不应该期待最佳表现者同时也是最好的老师。”43.B44.C“人们好像错把数量当成了质量。”45.D“我们的研究表明,至少在某些例子中,人们可能高估了最佳表现者的建议。”46.B47.A在一个实验中,2085名参与者被随机安排到一个有专家建议的组和一个无建议的组。48.C完成一轮单词游戏后,有专家建议的组收到一名专家的建议后再玩五轮单词游戏。49.D50.A与此同时,另一组直接玩完六轮单词游戏,中途没有收到任何建议。51.B2.B收到建议的那组在游戏中确实表现更好,他们的表现在每轮中都有提高。53.D54.A然而,总体来讲,来自最佳表现者的建议并不比其他人的建议更有用。55.B“在我们的实验中,得到最佳表现者的建议的参与者认为那些建议作用很大,但事实并非如此。”第二节(共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填人1个适当的单词或括号内单词的正确形式。Southwest China's Tibet Autonomous Region will invest 21.6 billion yuan in its transportationand traffic sector this year.The money 56 (use)to resurface more than 600 kilometers ofnational and provincial highways,57 more than 1,700 km of rural roads.Last year,the Lhasa-Nagchu Expressway,the world's 58 (high),opened to traffic."Thanks to expressway construction projects,33,200 59 (farm)and herdsmen were given jobopportunities over the course of the year and received about 210 million yuan 60 salaries,"saidXu Wenqiang,head of the department.Xu said that this year,Tibet will continue to work on 61 (improve)its transportation net-work."We will work hard to improve traffic conditions in 62 (distance)areas and comprehen-sively extend the benefits of living in a well-off society to rural residents."Tsering Tsodan,a villageofficial in Driru County,said that residents live on steep hillsides 63 the roads are narrow andare often blocked by mud and rain in the summer,and snow and ice in the winter."An 8-kilometer road project was funded by the government after we proposed it in 2020.Theproject is expected 64 (start)this year,"she said."Once the road is operational,travel betweenour township and the village will be 65 (great)improved."【答案】56.will be used57.and58.highest59.farmers60.in61.improving62.distant63.where64.to start 65.greatly第四部分写作(共两节,满分40分)第一节(满分15分)学校英文报正在开展以“The change in sleeping hours'”为题的征文活动。下图呈现的是某个国家人民的平均睡眠时间,请用图表中的信息写一篇短文投稿,内容包括:1.图表信息描述;2.描述你的睡眠情况并说明其原因。【24G3DY(新高考)·英语-R-必考-HEB】

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    B.请阅读下面短文,根据语篇内容,用方框中所给词的正确形式填空,使短文通顺、连贯,并将答案写在答题卡相应的位置上。方框中有两个词为多余项。I if fear hear pull above sleep while excite because outsidesilenceIt was about two o'clock in the early morning.I 70 when the earthquake started.At first,I felt a slight shake.Then I 71 a loud noise like thunder.Soon the real noise came,like bombs under the ground.The earth started to shake.Peoplescreamed (in 72.Some ran out of buildings.I tried my best to run out,too,but Icould not.Outside,people were running in all directions 73 pieces of glass and bricks werefalling down.Then the walls began to come aown,topiFinally,the noise and shaking ended.It was dark and 74 around me.I could not seeanything at all,and I did not know if anyone else was near me.I felt nervous and my heart wasbeating fast."I'm caught,"I said to 75.A moment of fear went through my mind,but I toldmyself to calm down because I was still alive.I shouted for help,but no one came.I started 76 myself slowly through the dark.Luckily,there was just enough space for me to move.Hours later,as I was trying to find my way 77,I suddenly heard some noise 78 me.I screamed,“Help!Please help!I'm here!”Then I heard shouts from79_people..Theyquickly moved away the bricks.At last,I saw the bright daylight.70.71.72.73.74.75.76.77.78.79.九、书面表达(共15分)请将短文写在答题卡相应的位置上。生活是一部大百科全书,包罗万象。作为中学生,你学习之余的生活是什么样的呢?你会去什么地方呢?你会做什么不一样的事情呢?为了了解同学们的课余生活状况,No.10Middle School在全校学生中做了一次关于学生们周末活动的调查。下图是相关的统计结果。请你用两段话写一篇短文,第一段简9%other activities要说明图表内容,第二段结合你自己的一20%do sports with次经历,建议和你一样的中学生在他们学friends or family47%go to the library or习之余去放松或体验不一样的生活。museums with friends要求:1.词数不少于80词;2.文中不得出现真实的人名校名。24%join differentvclunteer activitias4.中考权成预测模拟试卷英语(耳)第8页(共8页)

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    学高三第一轮复习同渊&高三第一轮复习周测卷敖札记学说:安容时饮头满管不立仰入容量啦方D项端误【答案B字母的代数式表示,下同):】mol(NH,).A山(OH),(CO)4受热完全分解生成的气体冷却至记10.雄黄(As,S,结构如图)与雕黄(AsS)在古代均曾作药用,一定条件下.两者可发生如下转化标准状况时.体积为可日已知A为阿伏加德罗常数的值,下列说法正确的是(2)通过如下实验可确定碱式碳酸铝铵的化学式。02S02HS HO准确称取5.56g样品,在密闭体系中高温下充分加热使其完全分解至固体质量不再变化,将雄黄H0HA0,(三元弱酸A0,4谁黄产生的气态物质依次通过盛足量浓硫酸、碱石灰的装置,称得盛碱石灰的装置增霓1.76g,最出A1mol雄黄分子中.含有S一S非极性共价健的数目为2Nx后剩余固体质量为2.04g。g,吸收的物质是B.反应I中生成22.4LSO2气体时,转移的电子数目为7N①浓疏酸装置增重②通过计算得出碱式碳酸铝铵的化学式为,摩尔质量为C.反应Ⅲ生成1mol雌黄时.消耗HzS分子的数目为3Nx【答案】(1)a+35=c+2d(2分):a+3(或c+20(2分):22.4(a+d)L(2分)D.1L1mol·L-NaHeAsO溶液中,Na、H2AsO、AsO月数目之和小于2Na(2)①1.76(2分):NH为水蒸气(3分)【解题分析】As是第VA族元素,S是第1A旅元素,结合8电子鹅定结构原理,雄黄结构中器为A5,白球为②NFHA1(OHD:C0(3分):139g·mol1(3分)因此,雄黄中不合有S-S共价试A项错误;根据园示的反应过程,反应I的化学方程式为A3,+70,良遮1S0,、13.(18分)草酸晶体(H2C,O.·2H20,100℃开始失水.101.5℃熔化,150℃左右分解产生H0.2As0,反应过程中每生成4molS02转移28mcl电子,包是没有指明SO:的状态,无法计算转移电子数目,B项CO和CO2)用途非常广泛。回答下列问题:误:根据图示的反应过程,反应Ⅲ的化学方程式为2HAsO十3H,S一AsS,十6H,O,反应过程中每生成1mo!(1)H2C2O,·2H20的摩尔质是是时,消耗H:S的物质的量为3mol,其分子数为3NA,C项正南:报据物斜守恒有n(Na)=n(HAsO)+n(H,As02)草酸晶体加热分解的化学方程式为经纯化得到C0气体448-(HAsO)十n(AsO月)=1mol,因此落液中Na、HAsO、AsO月的数目之和小于2N,D项正骑L(标准状况)至少需分解草酸晶体的质量为:分解时应该选泽的气体发生装置是【答案CD[图中加热装署已路去)(值字母)。第Ⅱ卷(非选择题共52分)三、非选择题:本题共3小题,共52分。11,(17分)“84”消毒液是一种常见的消毒液。已知某“84”消毒液瓶体部分标签如图所示,该“84”弹的”中毒液通常稀释100倍(体积之比)后使用。回答下列问题:(1)该“84”消毒液的物质的量浓度约为mcl·L1。(保(3)实验室需用250mL0.1mo1·L1H2C2O,溶液。若用H2C2O1·2H2O配制,则留小数点后一位)“84”消群液①需称量H2C2O,·2H2O质量为g。有效成分NaClo(2)某同学取100mL该“84”消毒液,稀释后用于消毒,稀释后的②需要的仪器有药匙、玻璃棒、250mL容量瓶、(从下列图中选择,写出名称)等。规格1000mL溶液中c(Na*)=mol·L-1。质量分数25%(3)一瓶该“84”消毒液能吸收空气中L(标准状况)CO2。密度1.19g·cm3(已知:NaCIO+CO,+HO一NaHCO+HClO)(4)“84”消毒液与稀硫酸混合使用可增强消毒能力,某消毒小组人员用98%(密度为③下列操作会导致配得的溶液浓度偏低的是(填字母)1.84g·cm3)的浓硫酸配制2L2.3mol·L-1疏酸用于增强“84”消毒液的消毒能力。A.所用的H2C2O,·2H,O晶体中含有少量无水的H,C2O①所配制的硫酸中,H+的物质的量浓度为」mol·LB.溶解时,烧杯及玻璃棒的洗涤液未转移到容量瓶中②需用浓硫酸的体积为mL。C.定容时,视线如图所示(5)“84”消毒液通常由Cl2通人冷的NaOH溶液中制得,当温度升高时,可能有NaC10和NaCl0D.摇匀后,立刻观察,发现凹液面低于刻度线再用胶头滴管滴加水到刻度线处生成,某温度下,将C通人热的NaOH溶液中,充分反应后测得溶液中c(ClO):c(C1O】【解题分析】(3)③等质量的HC2O,·2H20晶体比等质量的H:CO的物质的量小,当所用的H,CO,·2H,O=1:4。写出Cl通入热的NaOH溶液中反应的化学方程式:晶体中含有少量无水的H2CO,时,溶质的物质的量会变大,配得的溶戒浓度偏高,A项错误:溶解时,洗涤烧杯及玻【答案(1)4.0(2分)璃棒的溶液未转移到容量瓶中,会损失溶质,溶质的物质的量会变小,配得的溶液浓度偏低,B项正病:定容时,若仰(2)0.04(3分)视,溶液的体积会偏大,配得的溶液浓度停低,C项正确:摇匀后发现液面低于刘度战,用胶头滴管商加水到刻度曼处,(3)89.6(3分)溶液的体积会偏大,配得的溶液浓度倍低,D项正确。(4)①4.6(3分)【答案】(1)126g·mol1(2分)②250(3分)(2)H2C20,·2H,0△C0A-C0,++3H20(3分):2.52g(3分):D(2分)(5)13Cl +26NaOH-21NaCl+NaCIO+4NaClO;+13H2 3)(3)①3.2(2分)12.(17分)碱式碳酸铝铵热分解[(NH).Al,(OHi),(C03)4△Al,O,+CO2↑+NH,++H,0(g②烧杯、量简、托盘天平(量简不选也可)3分)BCD(3分)可用于制备纳米A1O3。回答下列问题:(1)(NH)Al(OH),(CO3)a中a、b、c、d应满足的代数关系为;1m0(NH:)AL(OH),(CO):与盐酸完全反应,至少消耗HCl的物质的量为mol(用含213【24.G32C(新高考).化学-R-必考-QGA-Y】[24G3ZCJ(新高考)化学-R-必考QGA-Y】

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    ②证明La2(CO3),·xH,O固体已洗涤干净的实验操作是(2)某兴趣小组利用以下装置模拟制备水合碳酸镧。NH,CI和Ca(OH)2盐酸饱和碳酸氢钠溶液LaCl,溶液纯碱①②③④仪器X的名称为;装置接口的连接顺序为af(填接口字母)。24.(14分)某锂离子二次电池的正极材料主要为LiCoO,还含有少量Al、Fe、Mn、Ni的化合物。通过如下流程利用废I旧锂离子电池制备草酸钴晶体(CoC,O,·xH,O):H2SO4NHHCONaClOP507萃取剂(NH4)2C204废旧锂电池正酸浸还原水解净化氧化沉铁锰滤液萃取取液反萃取→沉钴极材料Na2S203滤渣Fe(OH)3 MnO2萃余液CoC2O4xH2O已知该工艺条件下,有关金属离子沉淀完全c=1×105mol·L1的pH见下表:离子C024Fe3Fe2+A13+Mn2+Ni2+pH9.33.29.04.710.18.9回答下列问题:(1)“酸浸还原”步骤,LCoO,发生的反应中氧化产物为硫酸盐,则氧化剂与还原剂的物质的量之比为(2)“滤渣”成分是“水解净化”时,温度不宜超过70℃,原因是(3)“氧化沉铁锰”中,反应生成MO,的离子方程式为(4)利用“P507萃取剂”从“滤液”中分离C02+。研究水相pH对金属离子分离的影响,所得结果如下图所示,其中分离因素B越大,表明萃取剂对不同离子分离效果越好。

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    假定你是李华,你在网上看到一名英国高的学生Mark发贴,希望结识一位中国朋友了解-I spent the summer getting used to a new与些中国的文化风俗。请你根据以下提示给他写一读neighborhood,being the new kid on the block.封邮件:Making friends didn't come easily to me.I was1.介绍信息来源并表示愿意成为朋友;后different,and to be different is the last thing any作2.自我介绍:姓名、年龄、居住地、兴趣爱好等续middle school student wants to do.The fear ofstarting a new school hung over me like a black3.愿意帮助Mark了解中国的文化风俗。写cloud,.damaging(毁坏)each summer day.注意:写作词数应为80左右。【写作提示】The first day of school arrived too quickly.I写1.本题要求写一封邮件,进行自我介绍entered my new classroom trying very hard not to并表达愿意帮助Mark了解中国的文化风俗,读appear as frightened as I felt,but it wasn't easy.故人称以第一人称为主;时态以一般现在时后Twenty-eight faces turned to look up at me as I作为主。followed the class teacher Mr Bernstein into the2.分段内容:第一段说明自己是如何得续classroom.They all looked so cool,and some of the知Mark想结识一位中国朋友的,并表示自写girls even wore make-up.How would I ever fit in?I己愿意做Mark的朋友;第二段进行自我介was out of touch in every way possible.My parents绍并提出帮助Mark了解中国的文化风俗的didn't allow me to wear make-up.Most of my方式;第三段表达期待。clothes were handmade,made by my mother andgrandmother.One possible version:注意:Dear Mark,1.续写词数应为150左右;My name is Li Hua.I learned that you want to make a写Chinese friend on the Internet.After reading the information you读2.请按如下格式作答。left about yourself,I think we can become good friends.Mr Bernstein welcomed me to the class andLet me tell you a bit more about myself.I am 15 years old后introduced me to my new deskmate,Janet.and live in Beijing,China.I,just like you,like traveling and take作much interest in foreign culture and customs.Besides,I enjoysinging and drawing.I think I can help you learn about Chineseculture and customs by sending e-mails.写I'm looking forward to hearing from you.After class,Janet and I walked to the dining hallYours.Li Huasat together,and opened our lunch bags.2g阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。【写作提示】读Life with Mom,Dad,and my sister,Linda,hadalways been comfortably and fairly predictable读作者很享受和父母以及妹妹生活在一起的日后预料的).y grades were good,.and Linda and I got后子。在一次家庭会议上,父母宣布他们决定搬家续well.We played together and fought together,the去纽约。即将开始的全新的学校生活令作者很焦way sisters do.As the older one,I was used to being续虑。开学第一天,作者被班主任带进了教室。作写told to set an example,which wasn't too difficult,写者发现有些女孩化了妆,这使作者更加无所适从,since Linda was only two years younger,and she因为父母不允许她化妆。usually wanted to do anything I did,anyway.Lifewas pretty good.Then the changes started coming.First came a【写作提示】family meeting with some surprising news that would1.根据续写第一段的首句可知,班主任欢迎作者读change my world.We were moving.Our new home读来到班级并将作者介绍给了新同桌Janet。Janet后would be across the Verrazano-Narrows Bridge,in后看到作者会作何反应?作者在课堂上做了什么?New York City.We were leaving the only home I had作者还紧张吗?本段可围绕这些内容展开叙述。续ever known.Even worse,it would happen right2.根据续写第二段的首句可知,下课后,作者和before the beginning of the sixth grade.Not only续写Janet走到餐厅,坐在一起,并打开午餐袋。作者would I not be able to graduate from primary school写和Janet在吃饭时会交流吗?交流内容会是什么呢?with my friends,but I would have to start middle作者和Janet)成为朋友了吗?本段可围绕这些内容school with a class full of kids who had known each展开叙述。other and got along well with each other.I feltanxious.

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    【答案】D【解析】【详解】A.Fe2+的核外电子数为24,核外电子排布式为1s22s22p3s23p3d6,原子结构示意图为故A错误;B.镁原子最外层电子轨道为3s2,电子云图为:v,故B错误:3sC.HCIO是共价化合物,结构式为:H-O-Cl,故C错误:D.Cu原子核外电子数为29,根据能量最低原理,核外电子排布式为1s22s22p3s23p3d04s,价电子排布3d4s图为:故D正确:故选D。3.阿伏加德罗常数的值为N,下列说法正确的是A.常温常压下,0.1mol铁与足量浓硫酸反应生成SO2的分子数为1.5NAB.20gD,O中含有电子数为10NC.标准状况下,11.2LSO3含氧原子数为,1.5ND.标准状况下,5.6LNO和5.6LO2混合后分子总数为0.5NA【答案】B【解析】【详解】A.铁与浓硫酸会发生钝化,常温常压下,0.1mol铁与足量浓硫酸反应不能生成SO2,故A错误;20gB.20gD,0的物质的量为=1mol,D20中含有10个电子,20gD20中含有电子数为20g/mol10NA,故B正确:C.标准状况下,SO3不是气体,11.2LS0,的物质的量不是0.5mol,故C错误:D.标况下,5.6L气体的物质的量是0.25mol,由于一氧化氮与氧气反应生成了二氧化氮,所以气体的物质的量减小,故D错误:故选B。第2页/共21页

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    验,如表所示。CO2初始浓度/NH,初始浓度/催化剂的比表面积/实验编号T/℃(mol·L-)(mol。L-1)(m2·g1)①2801:2×10-35.8×10-382②T1.2×10-35.8×10-124③350a5.8×10-82(2)控制变量是科学研究的重要方法,因此表中数据:α=,T1=(3)对比实验①③,目的是验证(填“反应温度”或“催化剂的比表面积”)对化学反应速率的影响规律。(4)一定温度下,向1L密闭容器中充人3 mol CO2(g)和3 mol NH,(g)发生反应:CO2(g)+2NH(g)一H2O(g)十CO(NH2)2(s),若起始压强为okPa,反应2min后该反应达贸到化学平衡状态,平衡时的压强是起始时的0.8倍,则0~2min内,v(NH)=斟mol·L-1·min-l,CO2(g)的平衡转化率为%。(5)下列情况中,一定能说明上述反应达到平衡的是(填标号)。$A.CO2(g)的体积分数保持不变B.反应体系中气体的密度保持不变女C.反应消耗1 mol CO2(g),同时生成1molH2O(g)D.CO(NH2)2(s)的质量保持不变(6)“碳呼吸电池”是一种新型化学电源,其工作原理如图。当得到1 mol Ala2(C2O4)3时,电烟路中转移的电子的物质的量为m0l。C0,/掉酸盐辨溶剂Alx(C2O3霄金阀铝【高三化学第6页(共6页)】,24-60C·

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    液增重23gD.充电时,Zn电极的电极反应式为Zn+4OH-2e-Zn(OH)开关110.钠离子电池具有低成本、高安全性及优异的电化学属性等优点,电池总反应为Na,TMO,十Na-,C放充电NaTMO2+C,其工作原理如图所示。下列说法正确的是A.接通开关1时,Na向铝箔1电极方向移动B.接通开关2时,Y为电源的负极C.接通开关2时,电路中转移1mol电子,硬碳质量硬碳阴离子钠离子Na.TMO电解质增加11.5gD.接通开关1时,铝箔2上电极反应式为(1一x)Na+十Na,TMO2十(1一x)eNaTMO题序12610答案第Ⅱ卷(非选择题共52分)三、非选择题:本题共3小题,共52分。11.(16分)电化学与科研、生产、生活紧密相连。回答下列问题:I.某实验小组为了验证F+与Cu+的氧化性强弱,设计了如下实验④氯化铁溶液浓硝酸氯化铜溶液①②③(1)以上三个装置中能达到实验目的的是(填“①”、“②”或“③”),写出该组原电池负极的电极反应式:(2)若开始时两极质量相等,当导线中通过0.2ol电子时,两个电极的质量差为Ⅱ.某实验小组欲探究NaHO,溶液与C+的反应。经查阅资料,该实验小组设计了如下实验。已知:Cu2SO4易溶于水;CuCl为白色难溶于水的固体加人NaS0a固体(适量瞬时无明显变化,1加人2mL1mol·L门分为30s时也无明显变化CuSO,溶液加入NaCl③固体(适量2mL1mol·L-蓝色溶液,3min瞬时无明显变化,30s时有无色气体NaHSO,溶液内未见明显变化昌和白色沉淀产生,上层溶液颜色变浅①②④(3)若试管④中发生了氧化还原反应,写出该反应的离子方程式:(4)试管④中加入NaCl固体后产生白色沉淀的原因可能是12.(18分)在人类生产、生活对能量的需求日益增长的今天,研究化学反应及其能量变化,合理利用常规能源和开发新能源具有十分重要的意义。回答下列问题:I.氨能源是目前研究的热点之一,氨气是一种富氢燃料,可以直接用于燃料电池,氨气燃料电池的反应原理是氨气与氧气反应生成一种常见的无毒气体和水,其工作原理如图1所示1·22·

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    (3)2Fe2++MnO2+4Ht=2Fe3++Mn2++2H20(2分,未配平得1分)(4)6.9~8.8(1分)(5)温度过低反应太慢,温度过高NH4HCO3会分解(2分)不能,碳酸钠溶液中c(OH)较大,会产生Mn(OH2沉淀(2分)20.(12分,每空2分)I.-171 kJ.mol-1;Ⅱ.(1)0.225 mol.L-l.min!(2)BEF(2分,只选对1个不得分,选对2个得1分)(3)①37.5②>③210℃~240℃时,反应未达到平衡,温度越高,速率越大,随着温度升高,相同时间内CO2的转化率逐渐增大:21.(12分)(1)三颈烧瓶(1分)平衡气压(1分)(2)SO2+2Cu(OH)2+2CI -2CuCl+SO+2H2O(2分,未配平得1分)(3)B(1分)(4)取最后一次洗涤液于试管中,先向其中滴加稀盐酸,无明显现象,再滴加BaCl2溶液,若无白色沉淀生成,则洗涤干净(2分,其他合理答案也可给分)(5)[CuNH3)4]2+(1分)(6)59.7ab9%(2分)m(7)BC(2分)高二化学学科参考答案第2页(共2页)

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