题目内容
使用气压做管道强度试验时，其压力应逐级缓升。当压力升到规定试验压力一半时．应暂停升压，对管道进行一次全面检查，如无泄漏或其他异常现象，可继续按规定试验压的 ()逐级升压，每升一级要稳压5min，一直到规定的试验压力，再稳压5min，经验查无泄漏无变形为合格。
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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: Hi, Alice. How is everything with you？
W: As busy as usual.
Q: What can we learn from the dialogue？
(6)
听力原文：Mr.Wang, shall I take a message for you？
(5)
听力原文：When can I come to have my photos？
(2)
听力原文：W: I' m going to the railway station. Can you drive me there？
M: Yes. It's my pleasure.
Q: What does the woman ask the man to do？
(9)
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