衡水金卷先享题2022答案文综

衡水金卷先享题2022答案文综 ，目前答案易对网已经整理了衡水金卷先享题2022答案文综 的各科答案和试卷，更多联考试卷请关注本网站。

解题导语】这是一篇说明文。文幸讲述了书香环境对于孩子成长的好处32B推理判断题。根据第二段中“ Radiation effect is a situationwhere children grow up around books, but they don't readbooks. But somehow books benefit then, even thoughthey don't read them as much as their parents wish themo”可知,辐射效应在本文中指在书香环境中长大的孩子虽然他们没有像父母期待的那样读那么多的书,但他们仍然从书中受益良多。由此推断出,书香环境对青少年的良好影响,故选B这A理判断题。根据第三段中“ If we grow up in a house,ina home where parents enjoy books, where books are givenas birthday presents and valued, this is something thatbecomes a part of our identity and gives us this lifelongurge to always come close to books and read more than we I则ld呵可知,如果我们生长在父母热爱书、珍惜书的家庭中,这将成为我们认知中的一部分,让我们终身都有接近书,多读书的渴望、故选A现点态度题,根据最后一段中“ So keep shelves piled with30y所以书柜里装满书吧,由此可知,作者对于书香环境是支持的,故选DsC主旨大意题,根据全文的大意,尤其是第一段中“weknow that reading is good for children. Now, a new studysuggests that just being around books has its benefits. "pJ,本文主要讲述了书香环境对孩子成长的好处。故选

9.(1)设该考生报考甲大学恰好通过一门笔试科目为事件A,则P(A)=C125该考生报考乙大学恰好通过一门笔试科目为事件B,则P(B)24分(2)设该考生报考甲大学通过的科目数为X,根据题意可知,X~B|3则E(X)=36分报将乙大学通过的科目数为Y,随机变量Y满足概率为5P(Y=07分x-m8分P(Y=2)=×-(1-m) 二×m ×=m9分6310分随机变量Y的分布列P(Y=3)=二×m=m,10分随机变量Y的分布列18183l112m - m因为该考生更希望通过甲大学的笔试,∴E(Y)