听力原文：W: Those pants look cool on you. Would you like to buy them now?
M: Well, honestly, I'm not sure. They fit me well on the hips, but they're a little tight at my waist. Meanwhile, the price isn't as fair as what I expected.
Q: What does the man mean?
(15)
A．He thinks the pants fit him at the waist.
B．He thinks the pants are a little tight on the hips.
C．He thinks the price is reasonable.
D．He doesn't feel like buying the pants.

听力原文：W: How careless I am! I lost the algebra textbook ...

单项选择题听力原文：W: How careless I am! I lost the algebra textbook I've been using in the library. I'd better buy a new one as the final exam is round the corner.
M: Well, if I were you, I'd call Lost-and-Found first since there must be important notes on the old one.
Q: What does the man suggest the woman to do?
(16)
A．To look for the lost textbook in the library.
B．To call Lost-and-Found first before buying a new one.
C．To buy a new textbook since the final exam is coming soon.
D．To borrow a textbook on which there're notes taken already.

应力变化反复的场合的管道采用法兰连接时，其连接法兰的形式为（）。A.平焊法兰B.对焊法兰C.翻边活套法兰D.焊...

单项选择题应力变化反复的场合的管道采用法兰连接时，其连接法兰的形式为（）。

听力原文：M: Excuse me, I bought this watch last Saturday. I...

单项选择题听力原文：M: Excuse me, I bought this watch last Saturday. It's supposed to be waterproof, but it doesn't work now. I'd like my money back.
W: I completely understand, sir. But usually we don't give money back on reduced items. Maybe you can speak to the manager.
Q: What do we learn from the conversation?
(17)
A．The man bought the watch last Sunday.
B．The manager can give money back to the man.
C．The woman will speak to the manager about the matter.
D．The waterproof watch was bought in the period of promotion.