听力原文：How do you do？ Nice to meet you.
(5)
A. I like you.
B. Thank you very much.
C. How do you do.'？ Glad to see you.
D. At 9:00.
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A．I'm fat.B．Nor does he.C．Yes, we do.D．I've been working all day.
A. I'm fat.
B. Nor does he.
C. Yes, we do.
D. I've been working all day.
A．At 5:30.B．In the cinema.C．At home.D．Yes, I do.
At 5:30.
B. In the cinema.
C. At home.
D. Yes, I do.
听力原文：Good evening. Can I help you？
(4)
A. I don't swim.
B. No, he isn't.
C. I'm looking for a toy dog for my son.
D. I go very fast.
矿山安全技术
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。
气密试验又称为致密性试验或泄漏试验。对碳素钢和低合金钢制作的压力容器，其试验用的气体的温度应不低于()℃。
A. 0
B. 1
C. 3
D. 5
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