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问题 单项选择题

由肾实质性因素导致的急性肾衰中，最常见的类型是()。

A．急性肾炎

B．急进性肾炎

C．急性肾小管坏死

D．急性间质性肾炎

E．多发性小血管炎

答案

参考答案：C

解析：[知识点] 急性肾功能衰竭的病因

完形填空

根据短文内容和首字母提示，在空格处填入适当的词使短文完整。（每空一词）

David lives in a flat with his family.They have many r___小题1:__in the flat.Now his mother is in the k___小题2:__.She is cooking.That is the bathroom.It is clean and tidy.David usually has a s___小题3:___in it before he goes to bed or after he takes sports.There is also a washing machine in the bathroom.David and his brother share a big b___小题4:___.They have two beds in it.Besides(除……之外) the beds,there are two bookcases.

There are two balconies in David's flat. One is in the south of the flat, and the other is in the north. David often asks his f   _小题5:  to come to his flat and play there. When it is hot in summer, they l  小题6:  playing, talking and watching the people walking outside on the north balcony. When it is cold in w  小题7:  , they will sit on the south balcony and e  小题8:_  themselves in the sun. They don't have a g 小题9:  but they have some plants on the balconies. They think it is very c__小题10:___.
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选择题

关于Al的叙述中，正确的是（　　）

A．Al的摩尔质量是27g

B．1molAl中所含原子数约为6.02×1023

C．1molAl的质量是27g/mol

D．常温常压下，1molAl的体积为22.4L
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