健康危险度是指外源化学物A.损害机体的固有能力 B.损害机体的强度 C.损害机体的可

题型:单项选择题

问题:

健康危险度是指外源化学物

A.损害机体的固有能力

B.损害机体的强度

C.损害机体的可能性的定性估计

D.损害机体的可能性的定量估计

E.不损害机体的可能性

考点:公卫执业医师公卫执业医师85
题型:单项选择题

在保持电阻不变的条件下,研究电流跟电压的关系时得到下列几组实验数据,实验正确的结论是______.

电压(伏)246
电流(安)0.20.410.58

题型:单项选择题

根据提供的首字母或句意将短文补充完整。

     Beijing is the (1)c            of China. People are always trying to make it better.

     In 2001, news came that Beijing would (2)h             the 2008 Olympic Games. People began to work

even harder to (3)i             the environment.

     Today there are more roads and tall (4)b            . When you walk around, you can see more trees, grass

and flowers. You can also find cleaner streets. When you (5)             up, you often see a blue (6)           

 and white clouds. Beijing is becoming more and more beautiful.

     In (7)            , Beijing has changed a lot. We are sure Beijing will have a brighter (8)            .

题型:单项选择题

从5时到5时10分,分针旋转了______°,如果用3倍放大镜看这个角是______角.

题型:单项选择题

喷浆作业时要并沿池壁搭设操作脚手架,脚手架的内侧距池壁()m,架宽1.2m。

A.1

B.1.5

C.2

D.2.5

题型:单项选择题

小脑幕裂孔疝

A.头痛,呕吐,视盘水肿
B.呼吸骤停
C.昏迷,患侧瞳孔散大,对侧肢体偏瘫
D.血压升高,脉搏变慢,出现潮式呼吸
E.烦躁,高热,去大脑强直发作

更多题库