当办公用房、宿舍成组布置时,组内临时用房之间的防火间距不应小于3.5m;当建筑构件燃

题型:单项选择题

问题:

当办公用房、宿舍成组布置时,组内临时用房之间的防火间距不应小于3.5m;当建筑构件燃烧性能等级为()时,其防火间距可减少到3m。

A.A级 

B.B级 

C.甲级 

D.乙级

考点:注册消防工程师消防安全技术综合能力2014年注册消防工程师《消防安全技术综合能力》考试高分强化试卷2
题型:单项选择题

关于原发型肺结核,下列描述错误的是()

A.结核菌初次侵入机体,在肺内形成病变

B.病灶好发于胸膜下通气良好的部位

C.原发病灶吸收快

D.原发综合征包括原发病灶、淋巴管炎和肺门淋巴结炎

E.原发型肺结核多见于老年人

题型:单项选择题

与细菌核蛋白体50S亚基结合,抑制蛋白质合成的药物是()。

A.万古霉素

B.林可霉素

C.青霉素

D.链霉素

E.四环素

题型:单项选择题

Guangzhou (Xinhua)——12 people were killed and 20 injured early yesterday morning when they jumped from a burning train car into the path of an oncoming goods train in Southern China. When No. 247 Wuchang——Guangzhou passenger train was passing the Dayaoshan Tunnel in Guangdong Province, South China at 00 :17 yesterday, a fire caused by passengers' smoking broke out on No. 17 car. They wanted to extinguish fire. As the train stopped some frightened passengers jumped from windows. 12 people were crushed to death and 20 others injured by a northward passing goods train(No. 1766)。

1. In which direction did the passenger train travel?

A. Northward. B. Southward. C. Eastward. D. Westward.

2. When did the accident happen?

A. At 00:17 am.           B. At 00:17 pm.

C. At seventeen past one.  D. At seventeen to one.

3. Where did the accident happen?

A. In Wuchang.  B. In Guangzhou.

C. In Hubei.   D. In Guangdong.

4. What was the cause of the fire?

A. A heavy rain.   B. High temperature. C. Carelessness.   D. Fear.

题型:单项选择题

氨是一种重要的化工产品。下列关于氨气的性质描述正确的是 

A.红棕色

B.无气味

C.难液化

D.极易溶于水

题型:单项选择题

下列心动过速哪项是绝对不规则的()。

A.心房扑动

B.室性心动过速

C.窦性心动过速

D.心房颤动

E.交界性心动过速

更多题库