在石油化工企业中,为防止(),应使用各种防爆封闭式电动机A、人员触电 B、化学腐蚀 C、

题型:多项选择题

问题:

在石油化工企业中,为防止(),应使用各种防爆封闭式电动机

A、人员触电

B、化学腐蚀

C、易燃易爆危险物质

D、噪声

考点:加氢裂化装置操作工考试中级加氢裂化装置操作工中级加氢裂化装置操作工题库
题型:多项选择题

阅读理解。

     It was Sports Day at School. There were many races. Lots of parents were watching the children.

    There was a large crowd of people. Some girls were talking about the races. They were talking about who

win the 100-metre race. Jone heard what the girls were talking about. He was eating a banana. He said,"I shall

win the race! I am the fastest runner!" When he finished his banana, he throw the skin on the ground, and left.

     Mr Sun shouted,"100-metre race for boys!" Jone and the other boys went to the start of the race. The boys were ready now. Mr Sun held up a gun. He fired the gun into the air, and the race started. Jone ran very fast.

He was near the end of the race. He was smiling, but suddenly, he put one foot on the banana skin.He slipped

and fell down. He fell in front of Sam. Sam fell down, too. Then Ben fell down. Paul was behind them. He

passed them carefully and ran on. At last Paul won the race.

     "Congratulations, Paul," said Miss Smith. "You are the winner."

1. Some girls were talking about the ________.

A. 100-metre race

B. 200-metre race

C. 800-metre race

D. 1000-metre race

2. Jone threw the skin on the ground when he finished the ________.

A. orange

B. banana

C. apple

D. pear

3. Who won the race finally?

A. Sam

B. Jone

C. Ben

D. Paul

4. How many people fell down?

A. One

B. Two

C. Three

D. Four

5. What do you think the passage most probably is?

A. A newspaper report

B. A novel

C. A student's composition

D. A TV play

题型:多项选择题

护士观察瞳孔时,不必记录的内容是

A.瞳孔大小

B.对光反应

C.双侧瞳孔的清晰度

D.瞳孔形状

E.双侧瞳孔的对称性

题型:多项选择题

我国已经建成的多层次的股票市场包括()。

A.主板市场

B.中小企业板市场

C.创业板市场

D.股指期货市场

E.股指期权市场

题型:多项选择题

井喷火灾容易造成大面积火灾,从井下喷出来的油、()四处扩散。

(A)气 

(B)水 

(C)原油 

(D)井液

题型:多项选择题

钢可以按什么方法来分类?

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