说明运动性中枢疲劳时脑内代谢的变化。

-- What can I do for you, sir？

-- _____

A. Thanks.

B. You can go your own way.

C. Excuse me. I am busy.

D. Yes, I want a kilo of apples.

A、I can do it myself.

B、No, you're welcome.

C、I would like to buy a pair of glasses.

D、Yes, thank you.

"What can I do for you, sir？" " I want ______ ."

A．a dime’s worth of candy

B．candy a dime’s worth

C．a dime worth of candy

D．a dime-worth candy

"What can I do for you, sir？" " I want ______ ."

A．a dime’s worth of candy

B．candy a dime’s worth

C．a dime worth of candy

D．a dime-worth candy

A．A.I think you can do.

B．B.I’d like to book a ticket to Yunnan

C．C.I don’t think you can do

D．D.I’d love to

"What can I do for you, sir？""I want ________."

A．a dime's worth of candy

B．candy a dime's worth

C．a dime worth of candy

D．a dime-worth candy

听力原文：W: What can I do for you, sir M: I’d like some fried chicken and a bag of chips, please. Q: Where does the conversation most probably take place （）

A．In a hospital．

B．In a restaurant．

C．In a store

D．In a bank．

听力原文：W: Can I help you, sir？

M: Yes, I bought this hat yesterday. Can I change it for a larger one？

What does the man want to do？

A．Change the hat.

B．Return the hat.

C．Buy another hat.