x物理试卷答案)
13.0.640(2分)1.28(2分)3.20(2分)【解析】本题考查用打点计时器测加速度，目的是考查学生的实验能力。打B点时物块的速度大小s=8.00cm时4.80c四-0.640m/,打D点时物块的速度大小p-1L.20cm14.40c四-1.28m/s,根据逐0.2s0.2s差法得物块下滑的加速度大小a=1山.20cm十14.40c800cm一4.80cm-3,20m/s2.0.04s214.(1)4(2分)(212分)+m(结》2分)2(3)受到空气阻力的影响(3分)【解析】本题考查“验证机械能守恒定律”，目的是考查学生的实验能力。(1D滑块通过光电门A时的速度大小1=号，通过光电门B时的速度大小%一是城能守恒，只需要验证倒码减小的重力势能mgl与系统增加的动能近似相等即可。(3)由于空气阻力的影响会出现误差。15.【解析】本题考查物体的平衡，目的是考查学生的推理能力。(1)研究B球，设墙而对球B的弹力大小为F1,由共点力的平衡条件有N1sin0-F1=0(2分)N1cos0-mg=0(2分)解得N-号mg。(1分)(2)研究A、B整体，设斜面体受到的摩擦力为f,则由共点力的平衡条件有F是mg+f=0(2分)解得f=言mg(2分)摩擦力方问水平向左。(1分)16.【解析】本题考查牛顿运动定律的应用，目的是考查学生的推理能力。(1)设恒力F作用在物块上时物块的加速度大小为α，有Fcos 0-u(mg-Fsin 0)=ma (2)v=at(2分)解得z=12m/s。(2分)(2)设撤去恒力F后物块减速时的加速度大小为a',有a=g(2分)+品2分)x一2a解得x=26.4m。(2分)17.【解析】本题考查机械能守恒定律的综合应用，目的是考查学生应用数学处理物理问题的能力。(1)释放瞬间系统总动能为零，物块B与定滑轮间的距离最小时，系统总动能又为零，因此物块A减少的重力势能等于物块B增加的重力势能，设物块B与定滑轮间的距离最小时定滑轮左侧细绳与水平方向所成的角为α，有mgLtan a=2mg(L-d)(1)2L-L=d(1分)coS a【高三物理·参考答案第2页（共3页）】·23-97C·
化学选择题答案)
习金国©0所名校单元测试示范卷教学D.CH2一CHCH3分子中既含有非极性键又含有π键札记解析：分子式符合通式CH+2的两种烃，一定属于烷烃，若二者的n值相同但结构不同，则互为同分异构体，若二者的值不同，则互为同系物，A项错误：苯分子中所有原子共平面，故CH=CH:分子中所有原子可能共OH平面，B项错误；H(的不饱和度为3，H()CHC()H的不饱和度为5，二者中氢原子个数不同，分子式不同，不互为同分异构体，C项错误；CH2=CH一CH中存在C一C、C一C非极性键，C一C中含有π键，D项正确。答案：D9.了解有机物分子中化学键特征以及成键方式是研究有机物性质的基础。下列关于有机物分子成键方式的描述不正确的是A.烷烃分子中碳原子间成键均为非极性键B.炔烃分子中碳碳三键由1个。键、2个π键组成C.苯环中存在6个碳原子共有的大π键D.甲苯分子中所有碳原子均采取sp杂化成键解析：烷烃分子中碳原子间成键时，它们吸引共用电子的能力相同，均为非极性键，A项正确；碳碳三键中含1个。键，2个π键，B项正确；苯环中碳原子采取sp杂化轨道成键，6个碳原子上未参与成键的p电子形成一个大π键，C项正确；甲苯分子中，苯环上的碳原子均采取sp杂化，而甲基上的碳原子采取sp3杂化，D项错误。答案：DH-C10.某有机物X的结构简式(H)可以简单表示>。下列有机物中与X互为同分异构体的是A.BD.解析：有机物X的分子式为C6H。A选项有机物的分子式为CH,A项错误；B选项有机物的分子式为C6H,B项错误；C选项有机物的分子式为CH,与有机物X互为同分异构体，C项正确；D选项有机物的分子式为C6H,D项错误。答案：C二、选择题：本题共5小题，每小题4分，共20分。每小题有一个或两个选项符合题意，全部选对得4分，选对但不全的得2分，有选错的得0分。11.下列物质的分类中，所属关系不符合“X包含Y、Y包含Z”的有选项YZA芳香族化合物芳香烃的衍生物>-0HB脂肪族化合物链状烃的衍生物CH COOH环状化合物芳香族化合物苯的同系物D不饱和烃芳香烃-CH2 OH解析：芳香族化合物包含芳香烃、芳香烃的衍生物(X包含Y),含苯环的物质中只要含有除C、H之外的第三种元素，就是芳香烃的衍生物(Y包含Z),A项正确；脂肪族化合物包含链状烃的衍生物(X包含Y),CHC()()H是链状烃的衍生物(Y包含Z),B项正确：芳香族化合物是一种环状化合物(X包含Y),且苯的同系物属于芳香族化合物(Y包含Z),C项正确；不饱和烃包含芳香烃(X包含Y),但苯甲醇是芳香烃的衍生物，不属于芳香烃(Y不包含Z),【23新教材·DY.化学-SDKJB.-选择性必修3-SD】
英语试题及答案)
【听力录音材料】Text 1M:What's that smell?Are you making a chocolate cake?I smell something different...pears?W:No,I'm making chocolate banana cookies.At first,I was going to use the oranges,butI think these will taste better.Text 2W:Jack,have you seen my mobile?I'm sure I left it on the table.M:You did.I picked it up and put it in your bag-the one hanging on the back of thechair.Have you looked?W:No I haven't.Yes,it's still here.Thanks.Text 3M:I'm looking for an English-Chinese dictionary.Do you have any?W:Yes,we do.You'll find them in the dictionary section on the top shelf.Text 4M:I have to finish four papers in a week,so I'd really have a hard time.W:I've told you it would be better if you prepared your papers at the beginning of thesummer holiday.Text 5W:Excuse me.I seem to have lost my son.His name is Daniel.He wears blue sportswearand white shoes.He is about 1.4 meters and has short curly hair.M:Take it easy,madam.May I have your name first?W:Shirley.Text 6M:What is the biggest holiday that your family celebrates?For my family,it's the NewYear.W:That is a big one for us,too.But even more important are birthdays.M:Oh,why is that?W:I think my grandparents started the tradition.They met and got married when they wereolder.They thought they would not be able to have children.When their first baby wasborn,they were so happy!They decided that every birthday for their children would bea big event.M:So that tradition passed on to your parents?W:Right.Even now,my parents take the day off work to celebrate my birthday with me.My mother cooks a special dinner,and my father gives me beautiful clothes or jewelry.Text 7M:Jane,could you review the results of the survey on sporting activities again?I'mplanning out our proposal for today's business meeting.I think we should considerexpanding our line of athletic shoes.Maybe we should consider developing a newmarket-targeting sports clothes or equipment.W:Sure,Sam.I've summarized the results,broken down by consumer age groups andsporting activities.The survey was carried out among people between the ages of 18 and55,and the results have been organized in terms of the following age groups:18-to-26,27-to-35,36-to45,and46-to-55.M:Okay.W:People in the last two groups reported jogging as their favorite sport followed by skiing,tennis,swimming,and cycling.2022届·普通高中名校联考信息卷（月考五）·英语参考答案5
怀仁市2021~2022学年度上学期高二期末考试英语试题答案听力答案：1-5 ACABC6-10 CAABB11-15 CBABA16-20 CBACC阅读：（每题3分，共60分）21-35 DDA,DBAB,ACBA,AABC,36-40 ECABG完型：（每题2分，共40分）41-60 ACABDCACDBDABDCADBCB语法填空：（每题1.5分，共15分）61.Considered62.the63.successful64.it65.that66.were produced 67.seriously 68.on69.paintings70.setting改错：（每题1分，共10分）：l.lived-→living2.hate→hated3.Therefore→However4.citizen→citizens5.去掉it6.connecting→connected7.because-→why8.difficult->difficulty9.stop前加a10.bright-→brighter书面表达：（满分25分）参考范文：The cellphone has become a part of people's daily life.We use it to communicate withothers,post pictures and update our profile.However,despite the great convenience it bringsto me,I find using it takes too much time that I should spend on acquiring knowledge.As aresult,I carry on detoxing my cellphone on the weekend.To be in charge of my life and devote my efforts and time to study,I permit myself to usethe cellphone only for one hour at weekend.In case I can't discipline myself,I give my phoneto my parents who can supervise me.After some months'detox,my life has great changesFirst of all,I can concentrate on my study without being distracted by messaging others andlook through news.What's more,to make full use of time,I work out in the gym,whichmakes me healthier.At last,by detoxing the cellphone,I realize the value of real contact withmy friends.My dear classmates,if you find you are addicted to the cellphone,you are supposed toquit it,because we have a lot of things to do,which are more important and significant.Giveit to your parents.Gradually,you will find detoxing the cellphone not so difficult to tolerateand your life will become more meaningful.
35.Which can be a suitable title for the text?A.Differences Between Science and ArtB.Similarities Between Science and ArtC.Scientists and Artists Contribute to the WorldD.Science and Art Are Tools to Understand the World第二节（共5小题；每小题2.5分，满分12.5分）阅读下面短文，从短文后的选项中选出可以填人空白处的最佳选项。选项中有两项为多余选项。No matter what the season,is,energy use tends to increase one way or another.Followingenergy-saving tips is essential to lower your costs,and it is also important to decrease yourecological footprint.36.1Use energy-efficient appliancesEnergy-efficient appliances are specially designed to consume minimum energy tocomplete the same tasks that you'd perform with normal appliances.37.Switching tothese appliances might be expensive but can hugely help lower your costs in the long run.Use water cautiouslyUsing water carefully can help save money and avoid the energy waste required to heat anentire bath.38.Look out for any leaks..Never leave the taps on.When heating water,use the most energy-efficient water heaters available.39Laundry and dishwashing are unayoidable chores,and as the frequency of these tasksincreases,so does your energy use.These household appliances are designed to run mostefficiently with full loads.If not,you end up wasting energy and water and may need to runthem more often.Therefore,running washers only when they are full is a must-followenergy-saving tip！Cook outdoors when it's hot40 Cooking,especially if you enjoy making complicated dishes,can release a lot ofheat and consequently put pressure on your home's cooling.Instead,you may step outdoorsand enjoy the fresh air to save energy when you can!A.Make use of natural air or sunlightB.Wash full loads of dishes and clothes，心18C.Here is a fun energy-saving tip for hot daysD.Try to take a quick shower whenever you canE.Such appliances often use the latest technology to save energyF.Water shortage is a serious problem in many parts of the worldG.Here are some tips that can help you decrease your energy consumption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。The grandmother from Shanghai has become a minor celebrity in recent months as hernewfound and unlikely love for working out made national headlines.According to Chen Jifang's trainer,who helped to manage the Douyin account,she41 more than 400,000 followers within just a few months."The main group that I wanted to 42 was people at ages of 30 to 50,"says Chen."Ithink they will be 43 to work out in the gym after seeing that a granny like me can.The44_I want to convey(传达)is that it is never too late to pursue good45,”【高二年级3月份月考·英语第6页（共8页）】232470Z
I need a new phone.Like many of us with older model iPhones,my battery life is just a fewhours and I've stopped updating the operating system to extend the phone's life.But I'm having atough time making the final decision.It's not the cost.It's not the inconvenience either.It's theenvironment.Making smartphones,laptops,and other tech products takes a lot of resources.This is partlydue to the carbon emissions from the producing process.Still,the most negative impact comes fromthe mining of the rare earth metals that make your phone work.If you're reading this on your phoneright now,you're holding about 0.034 grams of gold,0.34 grams of silver,and smaller amounts ofother rare elements.These are tiny amounts,but consider the demand for smartphones around theworld.All of these rare elements have to be mined from inside the Earth,in places like China andsome African countries.Mining is hugely environmentally destructive:forests are destroyed,theground is disturbed,and water quality in the area takes a dive.Now take these environmental risks,and combine them with the fact that the average lifespan(使用寿命)of a smartphone is just two years,.the length of your contract with your cell phonecompany.After that,if you're lucky,you get a "free"upgrade.Awesome,right?Sure,if you ignorethe fact that the environmental impact of a new phone is about the same as using your old one for adecade.It's nearly impossible to live in the 21st century without contributing to the destruction of theenvironment and climate change.I am guilty as well-eat meat and occasionally fly.But that doesn'tmean that we should stop trying to do better,or ignore the consequences of our actions.I urge you tothink carefully about your next smartphone-purchase no matter what those Black Friday ads may betrying to tell you.28.What does the author's final decision refer to?A.Going ahead with getting a new phone.B.Taking action to help reduce pollution.C.Updating your phone's operating system.D.Raising money for a new smartphone.29.Why does the author list specific numbers in paragraph 2?A.To reveal the consequences of making smartphones.B.To analyze the causes of making new smartphones.C.To emphasize the huge demand for smartphones.D.To provide solutions to cutting smartphone use.30.What message does the author convey in paragraph 4?A.It is economical to upgrade your device.B.The lifespan of smartphones is narrowed.C.The upgrade comes at the expense of the environment.D.Signing a contract spares users from economic pressure.《新高考学科基地秘卷》题高三英语·共10页，第5页
级报纸并R新课程高二N第40期总19709期2023年3月7日星期二SINCE 1983若平编审Nancy E.Rley国内统一刊号CN14-0702f)网址http:www.xyybs.ComELF修)Unit3,Book3arks(满分150分)
machine.It took him a while to master this unique art form,but today he is recognized as theordosewing machine artis Hisokbeome very popular both in India and abroadt's easy to see why,just by looking at them,but what really makes his embroideries speciaYoueed to be very carefu because nce youvsttched()the ct theresno wayis the tool he uses.you can repair it,Arun said."Isal done a single layer to give the paintinga neat oAimpressive works include a 4X2 feet painting of the couthe artist over a year to finish.Arun runsatailoring business in theBazar of Patiala,but he devotes a lot of his time to his artistic dream as well.24.WhatArun's ambition when he was growing up?A.To be a well-known artist.意主B.To be expert at embroidering.C.To start a company of his own.D.To be a famous sewer like his father.25.What can we infer about Arun's business?A.It runs very well at present.B.It often lacks a lot of money.答C1 so0esb0d答咖是+号合出学分产之D.It is sponsored by the local government.26.Hid Din the court Ra gh?。效天A.By using his feet.B.By using his mouth.C.With a needle and thread.D.With a brush and paints.27.How can we best describe Arun?B和代语一巢A.Outgoing and generous.B.Gifted and hardworking.C.Courageous but impatient.D.Narrow minded and bad-tempered.If you stand in front of a group of kids,and start stating facts and ideas about a particulartopic,like common trees found in a forest,their eyes will probably become dull becausethey'l get bored.There mightbe a few peoplewith a particular interestin trees who remanattentive,but it's likely that most will losnrfairly quicky But if you stand upoof that same group of people andtethemasorsomething different will happen.Researchers have now quantified (the emotional benefits of wel-old tale."Weknow thatsortordGuheme Brockingon th dauthor of the newhahelp childrencndeguate ther mcndroycnestion.s while lying inside MRI(核f磁共i振)machines.There are few studies on psychologicaeffects of storytegsuch s hospitaS9nsesigatorswortngntetlhopitasplttaioialof&1paientsagedbetwcenfourand eleven into two groups,matching them with storytellers who had a decade of hospitalexperience.In one group,the storyteller led each child in playing a riddle game.In the other,ungsters chose books and listened as the storyteller read them aloud.Before and after theseSSIons,the researchers let each child spit into a tube,then asked them to report their painievelsandcondhctcdafrccasocialionwordqui22fubsed on the analysis of each tube of saliva(),the researchers found children in bogroups showed lower levels of the stress-related hormone (called cortisol and highere good hommone However the cortsol levels of kds in thforytelling group were a quarter of those in the riddle group,and their oxytoein levels werepearly twice as high.Those who heard stories reported pain levels dropping almost twice asmuch as those in the riddle group,and they used more positive words.ext,the investigators plan to study how long these effects last.For now,BrockingtorSays the results indicate storytelling is a low-cost and extremely efficient way to help improvehealth outcomes.【2023高考名校导航冲刺金卷（六）·英语第4页（共8页）】
4.评分时还应注意：(1)词数少于120的，酌情扣分。(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，酌情扣分。二、各档次的给分范围和要求第五档(21~25分)》创造了丰富、合理的内容，富有逻辑性，续写完整，与原文情境融洽度高。使用了多样并且恰当的词汇和语法结构，可能有个别小错，但完全不影响理解。有效地使用了语句间衔接手段，全文结构清晰，意义连贯。第四档(16~20分)创造了比较丰富、合理的内容，比较有逻辑性，续写比较完整，与原文情境融洽度较高。使用了比较多样并且恰当的词汇和语法结构，可能有些许错误，但不影响理解。比较有效地使用了语句间衔接手段，全文结构比较清晰，意义比较连贯。第三档(11~15分)创造了基本合理的内容，有一定的逻辑性，续写基本完整，与原文情境相关。使用了简单的词汇和语法结构，有一些错误或不恰当之处，但基本不影响理解。基本有效地使用了语句间衔接手段，全文结构基本清晰，意义基本连贯。第二档(6~10分)内容或逻辑上有一些重大问题，续写不够完整，与原文情境有一定程度脱节。所使用的词汇有限，语法结构单调，错误较多，影响理解。未能有效地使用语句间衔接手段，全文结构不够清晰，意义不够连贯。第一档(15分)内容或逻辑上有较多重大问题，或有部分内容抄自原文，续写不完整，与原文情境基本脱节。所使用的词汇有限，语法结构单调，错误很多，严重影响理解。几乎没有使用语句间衔接手段，全文结构不清晰，意义不连贯。零分未作答；所写内容太少或无法看清以致无法评判；所写内容全部抄自原文或与题目要求完全不相关。【高二英语·参考答案第11页（共11页）】·23-391B·
33.C根据第4、5段可知，Ms Scott见证了裁缝行业的再次流行，发现越来越多的年轻人对“自己缝纫”感兴趣。因此，她认为这种现象前景良好。34.D根据最后一段可知，Ms Baecker在Instagram上分享了很多自己的设计，激励了朋友们加入这场不断发展的时尚革命，他们也开始自己动手制作衣服。35.C本文介绍了伦敦出现的一种新趋势一越来越多的年轻人喜欢在业余时间制作衣服。补全短文36~40 CFDEG完形填空本文主要描写了作者登长城的所见、所闻和所感。41.B由于在北京长大，我非常了解它的名胜古迹和自然景观。42.D最近我和我的朋友们以爬上长城最高处为目标。43.C很快，我们发现这次徒步旅行比我们想象的要困难得多。44.B但是，我们没有放弃。45.A最终，我们花了两个小时的时间到达了我们想要去的地方。46.B当我站在长城的最高处，我回头看着陆续走向长城最高处的人潮。47.C48.D我看到了令人惊奇的景象，这个景象永远改变了我对人类极限的看法。49.B我看到年轻夫妇带着他们的孩子，缓慢却坚定地前进。50.D当我站在那里时，我开始考虑用来描绘我们人类的话语。51.B如果有人想要描述长颈鹿，他会使用高的或者长脖子这类词语。52.A由As these words came into my mind可知，我又向下看了一次，我的想法开始聚集。53.C strong与上文的persevering、determined在语义上属同一范畴。54.D我意识到并不是外貌或是身体特征来定义我们人类，而是我们共有的品质。55.B语法填空56.was watching 57.would be 58.as 59.that/which 60.the 61.Can 62.to buy63.himself 64.kindness 65.fighting写作第一节One possible version:Can Money Buy Happiness?It is true that with enough money one can buy all that one wants,and live a life of com-fort.However,it is equally true that a lack of money causes great distress.It is a commonview that money is the root of all evils.The pursuit of money may drive some people to cheatand steal.So,money does not necessarily mean happiness.It depends on how it is used.If we make【23新教材·DY·英语·参考答案一R一必修第三册一N】
全国教辅类一级报纸LEARNING新课程He高一江苏N)第49期总19658期ich.(2)2023年6月6日星期二lear FrencNGLISH￥关SINCE 1983邮发代号21-190Than主管单位山西省教育厅主办单位山西教育教辅传媒集团编辑出版学英语报社社长吕夺明总编李若平编审Nancy E.RIey国内统一刊号CN14-0702/(F)网址htp/wybs.cOnMIND MAPLeC0U阅读课本第44-45页的课文，完成下面图表。●郭伊h0WmaFirstly.I'dbout theSoundFollow your 2and ask"How does it sound?"Mr Smithbe twentyHow to readApproach the poem as if you were a(n)3a poemin an unfamiliar landscapecase.I'llg plansBe 4.when you are still struggling to 5.the meaning of a poem even with much painstaking effort.Remember that you don't have to fully understand a poem to 6.to theit.s.⑤MASTER'S DIRECTIONS(参考答案见本期中缝)重难占占士()洗择性，以修)t4Ro,1
of the animals.I even learned how to put shoes on the hor- ses. W:That's a very good skill.I can tell you'll be useful here. M:Do you mean you'll give me a job? W:I'd like to talk to your parents first.If they agree,I'll find plenty for you to do. M:Great!Thank you!I'll ask my father to call you tonight. W:I would prefer to meet him in person.Give me your email ad- dress and we'll figure out what day to meet. (Text 10) W:Attention,visitors.Here are some gallery policies for you to obey in our National Gallery of Art.Visitors must present all carried items for inspection upon entry.After inspection,all
【答案】 One possible version: Good afternoon,everyone. May I have your attention,please? As the Spring Festival is around the corner,we are going to hold a Spring Festival party for you,which is intended to enable you to have a better understanding of Chinese culture. During the party,not only can you sing Chinese songs,but you will also compete with each other to see how skilled you are at using chopsticks.What's more,you'll learn at the party how to make dumplings.Sounds great,doesn't it?The party is scheduled in Room 101 of the Teaching Building from 6:00 pm to 8:00 pm next Friday.
C.The cats showed up at a wrong time. D.The author's uncle was skillful at milking. 27.【典型情境题】What does the author intend to convey in the text? A.She misses her happy childhood badly. B.She finds a different way to enjoy teas. C.She has refreshed memories about her uncle. D.She likes to introduce camomile tea to her friends.
答案： One possible version: Dear Jim, I'm glad to know you are coming to attend university in Bei- jing next year.Since you're interested in Chinese culture,I rec- ommend Peking University to you,which is one of the best uni- versities in China.To be admitted into it,you should sign up on- line ahead of time,and hand in your application as well as your high school diploma. I have attached some information at the end of the letter.If you still have questions,you can visit its website directly. Looking forward to meeting you in China soon. Yours, Li Hua
A.Water views. B.Beaches and bays. C.Natural view of wild little penguins. D.Wild koalas in their natural environment. 23.If you buy a 3 Parks Pass online, A.you must use it within one year B.you must print it out within 60 minutes C.you can go to any attraction on the island D.you can take two other persons along to the park
(Text 3) W:David,have you saved enough for the car? M:I have 20,000 now,and the car costs $25,000.My parents said they would like to help,but I don't want to use their money. (Text 4) W:Dr Block,I need to take a few days off because my father is coming over to visit.And I need to show him around the city. M:OK,Jane.But be sure to come back to work next week. (Text 5) W:Mike,do you know that my sister Amy was admitted to Renmin University? M:Is that so?Her hard work finally paid off.
第一部分 听力（共两节，满分30分） 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，并标在试卷的相应位置。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.What does the woman want William to do? A.Paint the wall. B.Pay for the glass. C.Help cut the grass. 2.How much will the man pay? A.$5. B.$10. C.$20.
16.What can we learn from the conversation? A.The wallet has a place to put pictures. B.The girl has 20 dollars on her. C.The tie costs the girl 15 dollars. 听第10段材料，回答第17至20题。 17.When is the program held? A.In summer. B.In autumn. C.In winter. 18.How long does the program last? A.About one month. B.About two months. C.About three months.
【答案与解析】 8.A推断题。根据第1段内容可知，活火山的危险性使无人机的 使用显得极为重要。 9.B细节题。根据第4段最后两句可知，研究人员利用获取的数 据创建了火山三维模型。 10.C词义推测题。研究人员用无人机拍摄火山得出的数据制作 三维模型，然后再将这些精确定位的三维模型进行对比，以此 来掌握火山的动向。 11.A主旨题。根据第1段第2、3句可知，本文主要介绍了研究 人员利用无人机监测火山爆发的相关情况。
1、炎德英才大联考湖南师大附中2024届高三月考试卷一生物地理答案
第三十套中国区域地理(A卷)1.D据图可知，b区主要为我国内蒙古高原，主要的植被类型为草原和荒漠草原，草原的可燃物较多，容易发生野火，因此该地区的主要野火类型为草原火。2.A区是我国的新疆地区，深居内
2、炎德英才大联考,湖南师大附中2024届高三月考卷二物理答案详解
答案ABD心舱和同步卫星的质量均未知，故无法求出天和核心舱和同步卫解题分析本题以交流发电机给油烟机供电为情境，考查变星所受地球引力的大小，A、B项错误，D项正确。压器和交流电等知识。由题图乙可知，交流
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(2)由f(x)=x-ac+a=lne-ae+&有三个零点，可得）=lh-x叶2(>0)有三个零点，N'(x)=a士0(>0.①当a≤0时，(x)>0恒成立，可得h(x)至多有一个零点，不符合题意②当
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数学试题答案与解析1.C【解析】根据题意可得：A={x|y=ln(2一x)}={x|x<2},B={y|y=2,x∈R}={yly>0},所以A∩B={x|0
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13.0.640(2分)1.28(2分)3.20(2分)【解析】本题考查用打点计时器测加速度，目的是考查学生的实验能力。打B点时物块的速度大小s=8.00cm时4.80c四-0.640m/,打D点时物
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18.①斗争性和同一性是矛盾的两个基本属性。(1分)矛盾的斗争性是矛盾双方相互排斥、相互对立的属性：同一性是指矛盾双方相互依赖、相互贯通，在一定条件下可以相互转化。(2分)矛盾双方既对立又统一，由此推
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高一周测卷新教材·英语（北师大版）·高一同步周测卷/英语（十八）一、单词拼写对于作者来说几乎不会很烦恼。故选B。1.starry2.documentary6.A【解析】根据“It had been n
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故物块在传送带上加速不到'。，则运动到B点时有vi=2aL1分解得vg=√30m/s1分(2)物块从B到P做平抛运动，水平方向有R+Rcos60°=VBl1分竖直方向有1h+Rsm60-方81分0,=
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Her love for Chinese culture,67 (include)Jackie Chan's movies and stories of Mu-lan,helped her go th
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9,北京为典型的温带季风气候，雅典为典型的地中海气候，且北京纬度高于雅典。未来三个月内，即2021年10月20日至2022年1月20日，为冬半年，纬度越高昼夜变化幅度越大，故北京昼夜长短相差更大，C对
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(2)由f(x)=x-ac+a=lne-ae+&有三个零点，可得）=lh-x叶2(>0)有三个零点，N'(x)=a士0(>0.①当a≤0时，(x)>0恒成立，可得h(x)至多有一个零点，不符合题意②当
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3.在下列几种化合物的化学组成中，“○”中所对应的含义最接近的是(AP-P-P A-P-P脱氧核②④6.使
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选项实验操作实验现象实验结论A食醋浸泡水垢产生无色气体乙酸的酸性比碳酸强2乙醇与酸性高锰酸钾溶液混合紫色褪去乙醇具有还原性C碘酒滴到土豆片上土豆片变蓝淀粉遇碘元素变蓝0新制的银氨溶液与葡萄糖溶液混合加
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示例：)“装葭苍查”更好。理由如下，①禁葭，古代指的就是芦苇：苍苍，形容茂盛的样子。以“兼膜苍苍”为题，符合文中描写的芦苇荡的实情。②“蒹葭苍苍”揭示了故事发生的背景，也交代了所描写的主要对象。③“蒹
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1、2024年河南省普通高
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1、高
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第七套滚动内容十指数函数、对数函数、幂函数(B卷)1.C【解题分析】log2a十log2
