2022英语周报高一第17答案

33.(1)BDE(5分)解析:分子作永不停息的无规则热运动,平均速度不可能为零,但某时刻的瞬时速度可能为零,A错误;液体与大气相接触时,表面层内分子较液体内部稀疏,表面层分子间的作用表现为相互吸引,B正确;空气绝对湿度用空气中所含水蒸气的压强表示,故C错误;晶体和非晶体在一定的条件下可以相互转化,D正确;随着分子间距增大,分子间引力和斥力均减小,分子势能不一定减小,要看分子间距是否这接**衡距离,E正确(2)解:①活塞刚离开卡口时,对活塞有:mg+pS=pS(3分)解得:p,=p+38.(2分)②气体体积不变,对管内气体根据查理定律有=会(3分)解得:T1=T0(1+m).(2分)

短文改错Nowadays, many students are like to pursue famous brands. This phenomenon has aroused widely atten-WIdetion. The following reasons can account on students preference for famous brandsforAbove all, in many students'eyes, an famous brand is a symbol of taste. They expect others to admire histheirhigh-class and good taste. What's more, in modern society, famous brands to some extents are equal to fashionextentand it always appealed to teenagers a lot. I think it is unreasonable for students A pursue famous brandappealstoBeside, it is not famous brands but a persons noble character that really make him high-classBbesidesmakes

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