“红卫兵砸了只花瓶，拿走了父亲（张治中）的佩剑，还责问为什么不挂毛 * * 像和语录„„红

透射电子显微镜

用所给词的适当形式填空。

1. He always wears a pair of heavy ____ (glass).

2. My pen pal, Ann, is of medium ____ (high). And she is very beautiful.

3. Sun Yue, my favorite musician, ____ (have) long straight hair.

4. I want to be a ____ (sing) because I like music.

5. Do you often go ____ (shop) on Sundays?

导致急性左心衰竭的原因是（）

A.左室舒张末压增高

B.肺静脉压升高

C.肺动脉压升高

D.外周动脉压升高

食品卫生法直接授权卫生监督所行使行 * * 。

在报关注册登记后，进出口货物收发货人取得报关权，可以接受他人委托代理其办理报关纳税手续。 ( )