全国100所名校高考专项强化卷化学卷十2021答案

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【语篇导读】这是一篇说明文。文章主要说明了研究人员发现人们能遗传像恐惧这样抽象的东西。介绍了研究发展的过程及研究的发现。5.B【解析】句义猜测。根据原文第二段中“How doyou inherit something as abstract as fear?But overthe last fifty years,researchers have been studyingjust how much fears have to do with inheritance andgenetics.And their results have been kind ofsurprising.”可知，划线处的句子应该是难以置信，人们能遗传像恐惧这样抽象的东西。故选B项。6.C【解析】理解具体信息。根据第三段中“Sinceidentical twins have almostthesame DNA,researchers can figure out how heritable(遗传的)afear is by comparing how often specific phobiasappear in identical twins as opposed to other brothersor sisters.”可知，是因为他们基本上拥有相同的DNA。故选C项。7.D【解析】作出判断推理。根据原文第四段最后"The study found that genetics accounted for 71percent of the variation amongthose people,meaning genetic factors play a pretty big role indetermining whether a person has some specificfear.”及第五段第一句“A20l6 study also foundthat fear of dental work was over 30 percentheritable..”可知，通过提到四五段的研究作者尽力想证明：恐惧可能是遗传的结果。故选D项。8.C【解析】理解主旨要义。根据文章第一段最后一But there's a different idea out there that's beengetting more attention lately:the idea that fearsaren't just learned...they also can be inherited传).”和文章最后一段“So,it's pretty clear thatphobias are heritable!”可知，这篇文章主要告诉我们：恐惧症与遗传和遗传学有关。故选C项。

【语篇导读】这是一篇记叙文。文章主要介绍了作者充当阅读指导员的经历。1.B【解析】作出判断推理。根据第一段“My handswere abit sweaty,my heart was pounding in mychest,and my throat and tongue felt tense and dry.中的tense可知，作者第一次做阅读指导员的时候是非常紧张的。故选B项2.D【解析】理解具体信息。根据第二段“TheExperienceCorpsdevelopedresearch-based,statistically proven readingimprovementprogramwhich consists of fun reading games.In the games,I'd play with each child and they didn't even realizethat they were actually learning and improving theirreading一we were having too much fun!”可知，作者的主要任务是在某阅读程序下给读者提供阅读指导。故选D项。3.A【解析】作出判断推理。第三段主要描述了作者作为阅读指导员跟孩子相处的快乐点滴，因此可知第三段的主要目的是描述成为一名阅读指导员的乐趣。故选A项。4.B【解析】理解具体信息。根据最后一中的thewillingness to give of yourself可知，作者认为一个好的阅读指导员的必备素质是奉献。故选B项。