在企业中，( )可以是一次事故、一种环境、一种状态的载体，也可

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问题单项选择题

在企业中，( )可以是一次事故、一种环境、一种状态的载体，也可以是可能产生不期望后果的人或物。

A．危险
B．危险源
C．危险因素
D．重大危险源

答案

参考答案：B

填空题

根据括号内的提示或首字母填词。

1. When he came to the _________ (拐角) of the street, he turned left .

2. Do you think __________ (大象) are the largest animals on land?

3. My brother is too young to look after _________ (他自己).

4. My friend Lily likes _________ (收集) football stickers very much.

5. The boy was _________ (惊讶的) to get the first place in the exam.

6. Wednesday is the f________ day of the week .

7. A train is going t_________ a tunnel.

8. Amy can listen to the teachers c________ in class.

9. They found the _________ (lose) child yesterday.

10. Jenny is a good girl because she is always very _________ (help) to others.

判断题

民用建筑的构成主要是由地基和基础、墙或柱、楼板层与地面、楼梯、屋顶和门窗等组成。