机、物质资源、自我调节能力、环境和社会影响以及自我效能感。七选五1-5 GFBCD导语:本文是一篇说明文。主要介绍了蜗牛邮件的定义、历史以及优缺点。2.F。此空设于段中,与下一句存在并列关系。本句介绍了波斯帝国用马匹和鸽子传递信息的方式。下文介绍了古罗马帝国的邮政系统。3.B。此空设于段尾,与上一句存在因果关系。前一句意为因为圣诞节,邮局和快递公司在十二月业务量很大。本句意为所以你最好避免在这段时间寄蜗牛邮件。4.C。此空设于段中,与上一句存在解释关系,上一句意为蜗牛邮件更真实具体,此句意为你可以把信件拿在手中反复阅读。5.D。此空设于段首,是本段的主题句。本段主要介绍了寄蜗牛邮件的缺点,后文内容是对该主题句的具体阐释语法填空1.a2.to protect3.routinely4.exposure5.making6.which7.without8.is priced9.poorer10.tested导语:本文是一篇说明文。主要介绍了经常戴太阳镜的危害以及关于选择太阳镜的建议。7.without。.考查介词。·根据句意可知此处意为不具备足够的紫外线防护功能的太阳镜,介词without意为“没有,不具有”。8.is priced。考查动词的时态和语态。根据语境可知,此处说的是一般情况,在一元店里所有的东西都售价一美元。price与everything之间为被动关系,故填一般现在时的被动语态is priced。l0.tested.。考查非谓语动词。test与your sunglasses之间为被动关系,故用test的过去分词形式tested作宾语补足语。第45期A4版Key(One possible version):实战演练Paragraph 1:Gradually,I started caring about my study and doing the homework.I began caringabout how other teachers judged me when they saw my grades.I wanted to improve myself.Mrs.Davis said that completing the homework involved more than just achieving a grade.She alwayssaid,"Your legacy is what you leave on paper."I wanted my legacy to be something more thanjust poor grades and unfinished homework.I don't think I would have reached that point withoutMrs.DavisParagraph 2:Three months later,the final exam arrived.To mydelight,I achieved one of the best grades I had everreceived!Excitedly,I went to Mrs.Davis's office and shared the good news with her.Shewas also very happy and said that she always believed in me.I couldn't help but acknowledgethat she had played a big role in my growth.Thanks to her unique teaching style,I made so muchprogress.Mrs.Davis is really a great teacher who has changed my life.