2022英语周报高二第39osd答案

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

3P+Ap16.(1)【答案】13(2分)【解析】根据简谐运动质点的振动方向y=Asna+),由M点振动图线知,t=0s时,y=5;1=1156或30(5分)时,y=0。解得由此可得质点N的振动方程为y=10m-),所以得=13,由以上分析知M、N两点相位相差或,即开始振动时间差为3,所以M、N两点间距离为4或,得波长A=6m或30m(2)【答案】i.d【解析】光路图如图所示两细光束分别从M、N两点入射,入射角∠1=60,由折射定律m=2(2分)得∠2=30,由三角形知识可得∠3=60,由折射率和临界角的关系,有sinC=(1分),得30

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