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!

22.(12分)(1)①使用催化剂(2分NO的产率(2分)03540tin(2)①NO2(2分)②0.04mol·L·min1(2分)向容器中加人0.8moNO2(g)(2分,其他合理答案也给分)b(2分【解析】(1)0曲线Ⅱ相对于曲线I改变的条件是使用催化剂。②升高温度反应速率加快,且平衡正向移动NO的产率升高(2)①由表中数据可知,x代表NO2,Y代表N2O②0~10min内,v(NO2)4mol·L0. 04 molmn;20min时,政变的条件是向容器中加入0.8 mol No2(g),相当于增大压强吧衡逆向移动混合物中NO2的百分含量减小。

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