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问题 单项选择题

已知某年国民可支配总收人为9.5亿元，当年固定资产折旧为0.5亿元，总消费为6.5亿元，则总储蓄为（）。

A．3亿元 

B．9亿元 

C．10亿元 

D．2.5亿元

答案

参考答案：A

单项选择题

用标准缓冲液校正pH计时，核对仪器的示值需用

A．R
B．T
C．F、
D．d(hkl)
E．θ
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填空题

用所给单词的适当形式填空。

1. My _____(big) problem is that I can't memorize the English new words.

2. His life_____(change) a lot in the last few years.

3. My grandfather used _____(swim) in the river when was young.

4. Would you mind my_____(shut) the door?

5. It often      (take) us two hours_____(do) our homework every day.

6. I used to be afraid of _____(speak ) in front of a group.

7. I am very hungry, because I_____(not have) my dinner yet.

8. We find it easy_____(learn) English well.

9. Don't give up_____( try) , you will make it in the end.

10. He didn't _____(use) to like tests, but now he likes them very much.
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