2021-2022英语周报外研版七年级答案

写作第二节（满分25分）One possible version:All the way there,and all the way back,we talked and laughed.And I noticed I said "we".I even told a few jokesand was so glad that I did.I wasn't shy any longer.I just felt we were old friends of many years.That was a night thatwould change my life.At the end of that night,one of them turned around and yelled enthusiastically,laughing atsomething I said,"I don't think I've really ever heard you talk before!You are so fun to be around!"I smiled,knowing I finally had friends and my school life would be much happier.At school on Monday,all theclassmates were talking about how humorous and interesting I was.And everyone was willing to talk to me.Before andafter games I would play with my teammates and joke with them too.And when they went to the movies or hang out,theywould invite me too.I had such a happy time at school that I began to look forward to going to school every day.

2.C解析:本题考查物质运输等知识。肾小管重吸收水的方式是被动运输,而重吸收Na的方式是主动运输,A项正确;肾小管重吸收Na越多,其渗透压越大,吸水能力越强,B项正确;水在管腔和肾小管上皮细胞之间是双向移动的,C项错误;肾小管细胞是抗利尿激素的靶细胞,其细胞膜上有抗利尿激素的特异性受体D项正确

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