2022高二英语周报外研第7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!

14.C酸性KMnO具有强氧化性,可将SO2氧化为SO-,SO表现为还原性,A项错误;会再次混入NaC于溶液中,B项错误;通过饱和 NaHco3溶液除去HC,通过浓硫酸干燥,C项正确;L也可能是酸性条件下NO万氧化1产生的,D项错误。

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