2022英语周报book5第三期答案

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!

20.D【解析】读图b可知,0-4时,相对湿度升高,A错;5-8时,气温升髙,B错;4-5时,风向发生改变,由东北风转向西南风,C错;15-16时,由东北风转向西南风,D对。21.D【解析】由图a可知,石家庄西侧地势高,该日5-8时,石家庄的风向为西南风,位于山地背风坡,焚风过境,气温升高,相对湿度下降,D正确22.B【解析】该日5-8时,石家庄位于西南风的背风坡,盛行下沉气流,颗粒物尘降地面,使该地PM2.5浓度暂时降低,B正确;焚风过境,降水少,A错;汽车尾气排放多会使PM2.5增多,C错;读图b可知0:00开工的工厂数量应少于58时,但PM2.5浓度比5-8时要高,可推测工厂还未开工不是主要原因,D错。

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