题目内容

人工挖基坑时,操作人员之间要保持安全距离,一般大于()m;多台机械开挖,挖土机间距应大于()m,挖土要自上而下,逐层进行,严禁先挖坡脚的危险作业。

A. 2.5;5
B. 2.5;10
C. 3.5;5
D. 3.5;10

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Section B
Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.
听力原文:M: Will you please return these books to Tom when you see him?
W: Of course, I'll be seeing him in class this afternoon.
Q: What does the woman say she will do?
(11)

A. Return some books.
B. Go home.
C. Read Tom's book.
D. Leave class early.

综合安全技术
本部分共10小题,每小题1分。每题的备选项中只有一个最符合题意。
为机械生产过程提供动力的煤气装置由()电器供电。

A. 专用
B. 防爆
C. 单路
D. 双路

A.untilB.unlessC.thenD.but

A. until
B. unless
C. then
D. but

下列每一项都可以是真的,除了:()

A. 某两个员工一周内一起只值一天班。
B. 某两个员工一周内一起值四天班。
C. 在周一值班的那两个员工也在周三值班。
D. 在周四值班的那两个员工也在周五值班。

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