题目内容

Section A
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 the questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices A , B, C, and D.
(1)

A. 6:30.
B. 7:00.
C. 7:15.
D. 7:30.

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以下情况不属于突水预兆的是()。

A. 煤层变潮湿、松软
B. 工作面气温升高
C. 有时煤帮出现铁锈色水迹
D. 矿压增大,发生片帮、冒顶及底鼓

某人机系统采用“故障安全”结构设计,当组成单元发生故障时,机器一面报警,一面还能短时运转,这是()。

A. 消极被动式
B. 积极主动式
C. 运行自检式
D. 运行操作式

听力原文:How did the man send the samples?
(15)

A. By post.
By train.
C. By express.
D. By airmail.

下图为某工程进度网络图。
结点1为起点,结点11为终点,那么关键路径为(1),此工程最快(2)天完成。
(1)

A. 1-3-5-8-9-10-11
B. 1-2-4-7-11
C. 1-3-5-7-11
D. 1-2-5-8-10-11

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