How many hours did Mr. Brown's flight last？A．70.B．17.C．11.

听力原文：M: How come David is always so full of energy？

W: He has a strange but highly effective way of sleeping.

M: What is that？

W: He takes a short sleep for an hour every six hours and has a total of four hours of sleep each day.

M: Where did he get that strange idea？

W: He read flora a book which said it was the best way for human beings, and he believed it.

M: How many hours do you sleep a day？

W: I need at least seven hours. I once tried to follow David's example, but it never worked out for me.

M: If I sleep during the day, I can never wake up.

W: Not everyone is a David I guess.

How does the man feel about David's way of sleeping？

A．It's effective.

B．It's strange.

C．It's the best.

How many hours earlier did Mark leave for work this morning？

A．One hour.

B．Thirty minutes.

C．One and half hours.

M: That's all right. What would you like to know？

W: Firstly, for the benefit of our readers, exactly how long is the marathon？

M: It's 26 miles 385 yards, or if you'd like it in metric, it's 42. 195 kilometers.

W: Thanks. Now how many runners were there altogether？

M: More than ever. This year--there were 18,254.

W: My goodness, that's a lot! What position did you finish in the race, Mike？

M: Well, I'm quite pleased with my performance. I came 1,539th.

W: That's better than last year, isn't it？

M: Yes, I finished 2,625th then, but it was my first effort.

W: And how long did you take？

M: Three hours and three quarters, but I know I can do better. Did you know that the record is 2 hours 10 minutes？

W: I didn't know. That's fantastic! And how long the slowest runner took？

M: Oh, he hasn't finished yet!

(23)

A．It's about 26,385 kilometers.

B．It's 18,254 kilometers.

C．It's 42,195 kilometers.

D．It's 26,385 miles.

听力原文：W: When did the Greens fly to London？

M: Three hours ago.

Q: How did the Greens go to London three hours ago？

(19)

A．By air.

B．By bus.

C．By train.

听力原文：M：How long did the exam take，Mary？

W：We were allowed two hours，but I finished in less than half the time．My desk-mate Jean handed in her paper just in time．

Q：How much time did the woman take for the exam？

(19)

A．Half an hour.

B．Less than an hour.

C．One hour.

D．Two hours.

听力原文：W: How many hours does your father work every day？

M: Well, he usually works seven hours a day. But on Saturdays, he works for five hours.

W: So your father is working very hard to support the family？

M: Yes, particularly for the expenses of my schooling.

How many hours does his father work on Saturdays？

A．Five hours.

B．Six hours.

C．Seven hours.

D．Two hours.

听力原文：W: How often should I take the pills and how many should I take？

M: Take three pills every six hours.

How many pills should the woman take in twenty-four hours？

A．Six.

B．Three.

C．Twelve.

D．Eighteen.

听力原文：W: How long does it take to get to London？

M: It's an hour by train, and about two hours by car.

Q: How many hours does it take to get to London？

(14)

A．Two hours by train.

B．One hour by train.

C．One hour by bus.

D．One hour by car.

听力原文：M: How many science courses did you have in high school？

W: I had only one year of biology and chemistry. I wish I'd had more. I'm interested in physics, to be frank.

Q: How many science courses did the woman take in high school？

(17)

A．One course.

B．Two courses.

C．Three courses.

D．More than three courses.

听力原文：M: How often should I take this medicine and how much should I take？

W: Take two pills every six hours.

Q: How many pills should the woman take in 24 hours？

(10)

A．6 pills.

B．5 pills.

C．4 pills.

D．8 pills.