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问题 选择题

下列有关气体的体积叙述正确的是  [ ]

A、1mol任何气体的体积都约为22.4L   

B、非标准状况下，1mol 任何气体的体积都不可能为22.4L 

C、标准状况下，1molH2和1molH2O所占的体积都约为22.4L 

D、在温度和压强相同的状况下，相同质量的一氧化碳和氮气体积相同

答案

答案：D

填空题

根据单词首字母提示和句意完成下列句子。

1. I got up late yesterday because I o_____.

2. He gave me a r_____when he saw me walking alone.

3. She didn't s _____up at his party.

4. Lucy is so e _____now that she isn't going to do anything.

5. Mr. Wang a _____that we we'll have a picnic tomorrow.

6. What words can you use to d _____surfing?

7. Only Tony didn't f_____from that house while the earthquake took place.

8. His sister is going to m _____a businessman next week.

9. I phoned him many times but he didn't r_____even once.

10. The truth will be r _____someday.  
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选择题

下列电流或电压值符合实际的是[ ]

A． 微波炉正常工作时通过的电流大约是0.3A

B． 教室内日光灯正常工作时通过的电流大约是150mA

C． 三只蓄电池串联后的电压是9V

D． 照明电路的工作电压是36V

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