有下列物质:①10.0gNH3;②标准状况下11.2LHF;③4℃时10ml水;

题型:选择题

问题:

有下列物质:①10.0gNH3;②标准状况下11.2LHF;③4℃时10ml水;④标准状况下22.4LCH4所含质子数由多到少的是(  )

A.④③①②

B.④①③②

C.②④①③

D.④②①③

考点:物质的量的有关计算
题型:选择题

读短文,选答案。

     Hello, my name is Amy. I get up at six forty. I have breakfast at 7:10. And then I go to school.  I have

four classes in the morning and two classes in the afternoon. I have lunch in the canteen at school. I go

home at four fifty. I have dinner at seven o'clock. I go to bed at nine thirty.

1. I get up at ________.         

A. 6:40          

B. 6:30

2. I have _____________ at 7:10.

A. lunch              

B. breakfast

3. I have _____________ classes today.

A. four              

B. six

4. I have lunch at______________.

A. school            

B. home          

5. I go to bed at______________.

A. seven o'clock    

B. nine thirty

题型:选择题

在比例里,两个外项的积减去两个内项的积,差是0______(.判断对错)

题型:选择题

按建筑结构分类,可以将建筑物分为()等。

A.钢结构

B.钢筋混凝土结构

C.砖混结构

D.砖木结构和其他结构

题型:选择题

苯酚的盐

题型:选择题

简述影响管理者道德素质的因素。

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