高压电气设备的缺陷可划分为（）。A.危急缺陷 B.严重缺陷 C.一般缺陷

书库自动喷淋设置场所危险等级应为()。

A.轻危险级

B.中危险I级

C.中危险II级

D.严重危险级

用单词的适当形式填空。

1. I have a fever, and I must take a lot of ______ (medicine) every day.

2. It's ______ (importance) for us to look some new words up in our dictionary.

3. In traditional Chinese doctors' opinion,   we need a ______ (balanced) of yin. and

    yang to be healthy.

4. If we want to be healthy, we must eat a______ (balance) diet.

5. Our school lies in the ______ (west)  part of Changchun city.  

    But my house is in the ______ (eastern) of the city.

核圆形或椭圆形，染色质呈块状，核仁消失，胞浆嗜多色性，符合以下哪种细胞的特点()

A．早幼红细胞

B．中幼红细胞

C．晚幼红细胞

D．网织红细胞

E．成熟红细胞

冬虫夏草的主产地为（）。

A.青海

B.广东

C.吉林

D.上海

行政机关实施行政处罚时，应当责令当事人改正或者限期改正违法行为。