急性肾衰无尿或少尿期早期，发生水中毒的常见原因是 A．低蛋白血症 B．内生水过多 C

在生命出现以前，地表环境的演化主要是

A．有机进化

B．化学演化

C．生物演化

D．有氧环境演化

Hi! My name is Shen Gang. I am a schoolboy. My __小题1:_____ is far from my home. I must__小题2:____ up early in the morning. I usually go to school by bus. Every day it takes(花费) me about half an hour to get there. I have no __小题3:______ for breakfast at home. I often have some bread___小题4:_____ breakfast on my bike. I don’t __小题5:_____ to be late for the morning exercises(早操). I have lunch____小题6:___ school. Sometimes I ___小题7:__ basketball with my classmates after school. I often get __小题8:______at about 5:30 p.m..

下列各项中，不属于提高城市生命线系统能力的措施的是( )。

A．设施的高标准设防

B．完备的组织管理

C．设施节点的防灾处理

D．设施地上化

E．提高设施的备用率

失眠症的患病率为（）

A.5％～15％

B.20％～30％

C.30％～40％

D.40％～50％

E.10％～20％

不属于胶剂的是

A．新阿胶

B．阿胶

C．龟甲胶

D．鹿角胶

E．阿拉伯胶