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问题 单项选择题

发行国债最古老的原因是( )。

A．偿还到期债务

B．筹措军费

C．调剂季节性资金余缺

D．为了更好的投资

答案

参考答案：B

解析： 从历史的角度考察，引致发行国债的原因很多，筹措军费是发行国债最古老的原因，无论是战争经费，还是养兵维持费，都构成各国财政支出的重要部分。

填空题

根据句意及首字母提示，补全句中所缺的单词。

1. Look at the s________ of an elephant. It's amazing.

2. We c________ with each other mostly by e-mail.

3. We can learn by e________ that oil and water will not mix.

4. He is f________ with Chinese ancient history.

5. At the entrance of the street there is a "No E ________" sign.

6. If you paid more a________ in class, you might actually learn something.

7. "Sit!" he said, and the dog o________ him instantly.

8. The truck s________ up going down the hill.

9. The difference between h________ and animals is that the former one can make tools but the latter

    one can't.

10. After supper his parents always go d________ to have a walk and Tom goes u________ to do his

      homework.
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单项选择题

病人女性，20岁，近1个半月来干咳伴有低热，自觉乏力。听诊右上锁骨下区有固定的湿性啰音，怀疑其肺结核。

为进一步确诊，最重要的检查是( )。

A．胸部CT检查

B．纤维支气管镜检查

C．支气管碘油造影

D．痰菌检查

E．痰细胞学检查
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