202217英语周报高一外研答案

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!

6.D【解析】I2为固体,不能用来表示化学反应速率,A项错误;0~15s内,vH)=0.002mol·h·s-1,随着反应的进行,反应物浓度减小,反应速率减慢,c(HI)由007molL降到0.05mol·L所需的反应时间大于10s,B项错误;升高温度,正、逆反应速率均增大,C项错误;减小反应体系的体积,反应物浓度增大,反应速率加快,D项正确。

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