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问题 单项选择题 A1/A2型题

下列反射属于腱反射的是（）

A.肛门反射

B.下颌反射

C.中腹壁反射

D.提睾反射

E.趾反射

答案

参考答案：B

解析：是指快速牵拉肌腱时发生的不自主的肌肉收缩。

填空题

根据句意和首字母或中文提示，写出句中所缺的单词。

1. An __________ (精力充沛的) person has lots of energy.

2. Father is sleeping. You'd better do it q__________.

3."My little dog has died." the girl said __________ (悲伤).

4. The weather in South China is d__________ from that in North China.

5. Like many famous scientists, Li Siguang __________(致力于) himself to the study of science.

6. This kind of film has a bad __________ (影响) on people.

7. Those __________ (小偷) were caught at last.

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判断题

多级火箭是由几个子级火箭经过串联组合而成的飞行整体。( )
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