2022英语周报衣答案

33.(1)【答案】BDE解析】气体的摩尔体积与阿伏伽德罗常数的比值是气体分子占据的空间体积,不是气体分子的体积A项错误;温度是平均动能的标志,温度高,分子的平均动能大,B项正确;单晶体具有规则的几何外形,多量体没有规的几何外龙,单晶体具有备向异性,多晶体具有各向同性,C项错误:饱和汽压与温度有关,温度越高,饱和汽压越大,D项正确,一切与热现象有关的宏观过程都具有方向性,是不可逆的,E项正确。(2)解:(1)设需要充人的外界气体的体积为V,根据理想气体状态方程o(V+V1)P(2分)T代入数据可得V1=4m2(2分)()根据等底变化,由=(20分)中三桌可求得每次释放的气体在压强为P、温度为300K时的体积y=06m(1分由=Pm(2分)一一代入数据可得n=5(1分)工

第四部分写作第一节One possible version:Dear editor,I am Li Hua, a student in Class 2, Grade 3. Having heard that the schools englishnewspaper is recruiting part-time reporters, I' m writing to apply for the position.I am equipped with sufficient skills to do this job well. First, I am interested in readingEnglish news in my spare time. Moreover, I am good at English writing. As for the topic ofnews, I would like to cover news about campus sports as I'm a crazy fan of football.I hope that I could win the chance to be a reporter. Looking forward to your reply.

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