2022 英语周报 七年级 课标导学 11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!

33.(1)变大(2分)变大(3分)【解析】两个分子相距n0,如果再增加距离,分子间作用力表现为引力,分子力做负功,分子势能变大;两个分子相距r如果冉减少距离,分子间作用力表现为斥力,分∫力做负功,分子势能变大(2)【解析】()封闭气体的压强p:=(pLsin 30)cmHg= 80) cmHg(1分)(ⅱ)玻璃管内的气体发生等温变化初始时空气柱的长度L1-7cm末态时压强p2=(p2+1)cmHg=84cmHg(1分)根据玻意耳定律可得p1.S=p::S(2分)解得L.=3cm(1分)(ⅲ)玻璃筲内的气体发等压变化初始时T态时空气柱的长度1=(16-8)cm=8cm根据齡一萨克定律可得(2分)解得12=36}Kl387℃(1分

以上就是2022 英语周报 七年级 课标导学 11答案，更多英语周报答案请关注本网站。