2020――2022年八年级上册英语周报新目标第8期答案

17.(8分)(1)对滑雪运动员进行受力分析,如答图2答图2假设运动员的质量为m,根据牛顿第二定律有 mg sin 6- mg cos 6=ma3分代入数据,得a=4m/si1分(2)运动员从坡顶到坡底,根据匀变速直线运动位移速度公式有2ax=υ2-03分代入数据,得υ=40m/s1分

第二节书面表达One possible versionBoys and girlsEvery Senior Three student has a dream university,sodo I. My dream university is Central China Normal University, which is one of the best normal universities in Chinaince my childhood, I have been dreaming of becom-ing a teacher, who can not only deliver knowledgestudents but also enable their life to become meaningful andworthwhile. Central China Normal University enjoys a highreputation among similar universities, with first-class teach-ers, equipment and teaching atmosphere. AdditionallyWuhan is a heroic city in the fight against the epidemic andI am burning to study there to learn moreSuch is my dream university and I am determined toenter it. Im convinced that all my efforts are bound to payoffThats all. Thank you!

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