对于粉尘爆炸而言,其颗粒越细小,则其比表面积越大,氧吸附也越()。 A.多 B.少

题型:单项选择题

问题:

对于粉尘爆炸而言,其颗粒越细小,则其比表面积越大,氧吸附也越()。

A.多

B.少

C.大

D.小

考点:注册消防工程师消防安全技术实务一级消防工程师消防安全技术实务考前冲刺(十)
题型:单项选择题

第四部分根据短文的内容和首写字母填上适当的单词(10’)

Dear Jin Jing,

Your problem is a c_ 小题1:_____ one among middle school students. Maybe the following a____小题2:__ can help you. First of all, b_小题3:___ in yourself. Your greatest problem is that you lack self-confidence. The first thing you must do is to s___小题4:___ at your classmates. One smile speaks louder about your wish to make friends than any words. Your smile will s小题5:_ that you are f____小题6:__ to them.. Next, t____小题7:___ talking with a student who is as shy as you or who s____小题8:__ the same interest as you. You can discuss your studies with a classmate and you can talk about your h____小题9:_ as well. If anyone is in trouble, you should be ready to help him or her. Once you have confidence, you can make as many friends as p小题10:__. 

Yours

Lily

题型:单项选择题

One of the suspects is _________ schoolboy.

A.a 18-year-old

B.an 18-years-old

C.a 18 years old

D.an 18-year-old

题型:单项选择题

图表题:

2012年是中美关系开始正常化四十周年,某校同学拟举办一次,下面是其中选出的三幅图片和图片展解说词,请你将解说词填写完整。

图一
图二
图三

图一:1954年,中国 * * 访问印度,与印度 * *    ①     共同倡导    ②    ,成为处理国与国之间关系的基本准则。图二:1955年,中国代表团团长    ③    参加万隆会议,提出     ④      方针,促进了会议的圆满成功。图三:1972年,美国总统尼克松访问中国,中美双方在    ⑤    签署     ⑥     ,中美两国结束二十多年的对抗,两国关系开始正常化。

题型:单项选择题

工程地质对道路选线影响很复杂,下列关于道路的选线要求,表述有误的是( )。

A.避开断层裂谷边坡,尤其是不稳定边坡
B.避开岩层倾向与坡面倾向一致的顺向坡,尤其是岩层倾角小于坡面倾角的顺向坡
C.避免路线与主要裂隙发育方向平行,尤其是裂隙倾向与边坡倾向一致的
D.避免经过大型滑坡体、不稳定岩堆和泥石流地段及其上方

题型:单项选择题

检查凝血系统筛选方法中惟一的体内试验是()

A.PT

B.APTT

C.CT

D.RT

E.BT

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