试述腹股沟管的位置、内容和组成。

确定脊髓休克消失的根据是

A．出现膝腱反射

B．出现跟腱反射

C．出现肛门反射

D．出现球海绵体肌反射

E．神志清醒

用所给单词的适当形式填空。  

1. The supermarket _____ (be) open at 9:00 in the morning.

2. Tom enjoys _____ ( read) short stories to children.

3. Li Lei gets to school _____ (one) every day.

4. How many _____  (lion) are there in the zoo?

5. Why don't you want _____ (play) with her?

6. It is _____ (rain) outside.  Take an umbrella with you!

7. Many _____ (child) like to watch cartoons on TV.

8. —What's the weather like in Shanghai?

    —It's _____  (cloud).

9. I saw an _____ (interest) talk show last weekend.

10.  _____ (turn) left on Heping Road and  you'll see the library on your right.

造成黄河下游河床增高，形成“悬河”的主要原因是（　　）

A．历史上曾发生严重泥石流

B．黄土高原植被破坏，土壤冲刷沉淀而成

C．黄河流域食物链被破坏

D．黄河下游环境受污染

下列不属于中成药虫蛀的原因的有（）

A.原料药的性质

B.生产过程污染

C.贮存过程的污染

D.优质包装材料

下列能正确反映自由落体运动过程的是 （）

A.

B.

C.

D.