(D) The importance of conserving energy.

48. (A) Produce larger vegetables.
(B) Transport produce more quickly.
(C) Grow crops in nontraditional climates.
(D) Keep vegetables fresher for a longer period.

49. (A) To transport water to higher elevations.
(B) To provide airconditioning.
(C) To bring nutrients to the soil.
(D) To adjust the soil temperature.

50. (A) It s another possible use for seawater.
(B) It s necessary for growing vegetables in hot climates.
(C) It s used to cool water used for irrigation.
(D) It s the primary use for electricity in the United States.
听力原文：
PART A
1. I invited your mother to lunch yesterday. But she said she didn t have any free time.
Yeah. She just got a new job.
What does the man mean?
2. The sound of all that traffic is driving me out of my mind.
It is bad. But the highway will reopen tomorrow then we won t have all those cars passing by any more.
What does the woman imply?
3. I don t understand why I received such a low grade on my term paper.
You should make an appointment with the professor to discuss it.
What does the woman suggest the man do?

4. I m going to the vegetable stand today. Can I pick up anything for you?
No, thanks. I just came back from the market myself.
What does the woman mean?

5. I ve been running a mile every afternoon for the past month, But I still haven t been able to lose more than a pound or two. I wonder if it s worth it.
Oh, don t give up now. It always seems hard when you are just starting out.
What does the woman mean?

6. We are having a party at our house on the weekend of the 30th. Would you like to join us?
That sounds like a lot of fun. But I ll need to check my calendar first.
What does the man imply?

7. Just one person in the whole class got an A on the test! YOU!
ALL RIGHT!!!
What does the woman mean?

8. Would you like to go to the movies with us tonight?
To the movies? Tonight is the biggest concert of the year.
What does the man mean?

9. Did you pick up my books from Ron s house?
Sorry. It slipped my mind.
What does the man mean?

10. Could you lend me your biology notes?
Do you think you ll be able to make out my handwriting?
What does the woman imply about the notes?

11. I just saw an ad on television that said men s suits were on sale today and tomorrow at Conrad s men s ware.
Great! That s just what I ve been waiting for.
What will the man probably do?

12. John, I m sorry. But I forgot to bring your tape player back.
Well, as long as I get it by Friday.
What does the man mean?

13. I m way behind in my letter writing. I ve got to get started.
Who s got time to write letters? Exams are coming up , remember?
What does the man imply the woman should do?

14. Hi, Ann. Where are you rushing off to?
I m on my way to pick up the text for American history. I m in shock. It s going to be 65 bucks.
What does the woman mean?

15. Is Louis going to join us for a short break?
Yes, if she can tear herself away from her studies.
What does the woman imply about Louis?

16. Here are two empty seats.
Don t you think these are too close to the movie screen?
What does the woman imply they should do?

17. I found a perfect book bag but I m about 20 dollars short.
Don t look at me. I don t get paid for another week.
What does the man imply?

18. I m bored with the same food all the time. Let s try something different Saturday night.
How about an Italian place?
What does the man suggest they do?

19. What we need is a roommate who is neat and considerate.
That s right let s write that in the ad: neatness and consideration must.
What do the speakers hope to do?

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