2022英语周报总复习43期答案

22.(1)C(2分)(2)甲(1分)(3)C(1分)A(1分)B(1分)解析:(1)甲、乙、丙三个图小车与长木板之间都有摩擦力,为保证小车受到的拉力就是所受的合力,所以都需要平衡摩擦力,故C正确;(2)乙、丙两图绳上的力由弹簧测力计和力传感器直接读出,不需要用重物的重力代替,所以不需满足M>m;甲图用重物的重力代替绳的拉力,必须满足M>m;(3)甲图用重物的重力代替绳子的拉力,需满足M>m,随着m的增大,不满足M>m时,图象出现弯曲,所以甲组对应的是C;乙、丙图根据拉力相等时,加速度a乙>a丙,从而判断乙组对应A,丙组对应B.

书面表达One possible version:NOTICEA sports meeting will be held in the playground of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especially for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEveryone is welcome to take part in it. Those who perform excellently at the sports meeting will get prizes. But don' t take theresults so serously because taking part is more important than the result. Good luck to everyone!

以上就是2022英语周报总复习43期答案，更多英语周报答案请关注本网站。