正常的气管黏膜上皮是（）。 A.假复层柱状纤毛上皮 B.单层鳞状

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问题单项选择题 A1/A2型题

正常的气管黏膜上皮是（）。

A.假复层柱状纤毛上皮

B.单层鳞状上皮

C.单层柱状上皮

D.纤毛柱状上皮

E.复层柱状上皮

答案

参考答案：A

解析：正常的气管黏膜上皮是假复层柱状纤毛上皮。

句型转换

句型转换。

1. We should wait in line to get on the bus.(改为同义句)

We shouldn't _____ _____ _____ to get on the bus.

2. Would you mind not making so much noise?(改为同义句)

_____ _____ _____ _____ _____ so much noise?

3．The pen you bought didn't work.(改为同义句)

_____ _____ _____ _____ _____ the pen you bought.

4. If there is no air and no water, we will die.(改为同义句)

We can _____ _____ _____ air _____ water.

5. I'd like some coffee.(对划线部分提问)

_____ _____ you _____?

单项选择题

感冒的病程是（）

A.1～3天

B.3～5天

C.5～7天

D.7～10天

E.长短不定