2022高一外研英语周报第7期答案

本文为记叙文。文章介绍了一位男孩虽然贫困但酷爱舞蹈,他不屈不挠的精神打动了世人。4.C细节理解题。根据第二段中的 His dance teacher took a quick video, posted it on social media可知,人们是通过网络最早了解 Anthony的5.A细节理解题。根据第三段中的 Actress Viola Davis saw the video and tweeted可知,她是一位女演员。故选A。6.C细节理解题。根据第四段中的 In the past few weeks,some15 million people from around theglobe watched madly as Anthony danced across the smooth pavement. Thanks to this support, he received亠 a scholarship可知,他赢得奖学金与人们的关注有关B推理判断题。根据第五段中的 You are not only changing your world there, in Africa but you'rechanging the hearts and minds of so many people.判断,他是赞许的

11.ABD【解析】如图所示,建立空间直角坐标系易得D(0,0,0),A1(a,0,a),B1(a,a,a),C1(0,a,a),D1(0,0,a),A(a,0,0),B(a,a,0),C(0,a,0),∴A1D=(-a,0,-a),AB1=(0,a,a),cos(A1方,AB)-4D·ABA,DAB√2a√2a=-2…异面直线A1D与AB1所成的角为60°,故A正确;:A1Da,0,a)=∴直线A1D与BC1垂直,故B正确;∵A1D·BD1=(-a,0,a)·(-a,-a,a)=a2-a2=0,∴直线A1D与BD1垂直,不平行,故C错误;三棱锥A-A1CD的体积VA-Aa=6a,故D正确故选ABD

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