21世纪大学英语视听说教程Book4unit1PartD听力原文

1、 21 世纪大学英语视听说教程Book 4 Unit 1 Part D 听力原文Section A1. W: Since when do you read the Sunday Time?sM: Since I discovered its big help-wanted section.Q: What can we assume about the man?2. W: This coat I bought last week is too big for me. Id like to exchange it for a smaller one.M: Let me see. The small

2、er one is only 9.95, and this one is 12.Q: Approximately how much money does the shop assistant owe the woman?3. M: It would be nice if these last few days of the vacation were sunny and warm.W: But i ts not what they forecast, is it?Q: What does the woman imply about the weather?4. W: How is Susans

3、 lab experiment coming along?M: Im not sure, why dont we go and have a look?Q: What does the man mean?5. W: You didnt seem terribly enthusiastic about the football game.M: You must be joking. If I had shouted any louder, Id have lost my voice.Q: What did the man think of the football game?6. W: Tedd

4、y, how are you finding life on campus this year?M: Much the same as last.Q: What does Teddy mean?7. W: You know, the Browns have invested all their money in stocks.M: They may think thats a wise move, but thats the last thing Id do.Q: Whats the mans opinion about the Browns investment?8. M: Hello, t

5、his is Mike Johnson at the bank. Is Peter there?W: Not yet, Mike. He phoned me from the office 5 minutes ago to say that he was stopping for ahaircut on his way home.Q: Where does Peter plan to go on his way home?Conversation 1M: Did you watch the “Television Special” about the adhesive features of

6、barnacles last night?W: No, I missed it. What did you learn about them?M: That they glue themselves to rocks in the ocean, shortly after birth. They also stay in thesame place forever.W: Right. Have you ever tried removing one of those things? It would be easier to chip the rockaway than to get the

7、barnacle off.M: Exactly! And thats why scientists are trying to figure out what the barnacles glue is made of. Its considered one of the strongest adhesives in nature.W: And it would have the advantage of being able to work on wet surfaces, too.M: Precisely. And because its a natural protein, it pro

8、bably wouldnt be harmful to people likeso many synthetic glues in use today.W: Think of all the ways doctors and dentists could use such glue. Mending broken bones,fastening false teeth.M: There could be countless uses. Scientists hope to learn soon exactly what the glue is made ofso that people can

9、 make use of it.9. What is the main topic of the conversation?10. What did the man learn about the barnacles?11. According to the conversation, what are scientists trying to discover?Conversation 2M: Excuse me. Have you been waiting long?W: About ten minutes.M: Did you notice whether the No.7 bus ha

10、s gone by?W: Not while Ive been standing here. Im waiting for the No.7 myself.M: Good. Hot day, isnt it?W: Yes, it is. I wish that it would rain and cool off.M: Me too. This is unusual for March. I dont remember it ev er being so hot and dry in Marchbefore.W: Youre from Florida then.M: Not really. I

11、 was born in New York, but Ive lived here for ten years now.W: My mother and I have just moved here from Indiana.M: Pretty cold in Indiana, isnt it?W: Yes. Thats wh y we moved. But we didnt know that it would be so hot here in Florida. Weshould have gone to California. Do you think that weve missed

12、the bus?M: No, its always a little late.W: I have twenty to one, but my watch is a little fast.M: Dont worry. It never comes exactly on the half-hour like it should.12. What is the woman waiting for?13. According to the conversation, what kind of weather is usual for March?14. Where does this conver

13、sation take place?15. How often is the bus scheduled to pass their stop?Section BPassage 1As prices and building costs keep rising, the “do -it-yourself” (DIY) trend in the US continuesto grow.“We needed furniture for our living room,” says John Ross, “and we just didnt have enoughmoney to buy it. S

14、o we decided to try making a few tables and chairs.” John got married sixmonths ago, and like many young people these days, they are struggling to make a home at a time when the cost of living is very high. The Rosses took a two-week course for 280 at a night school.Now they build all their furnitur

15、e and make repairs around the house.Jim Hatfield has three boys and his wife died. He has a full-time job at home as well as in ashoe making factory. Last month, he received a car repair bill for 420. “I was deeply upset about it.Now Ive finished a car repair course, and I should be able to fix the

16、car by myself.”John and Jim are not unusual people. Most families in the US are doing everything they canto save money so they can fight the high cost of living. If you want to become a“do-it-yourselfer”, you can go to DIY classes. And for those who dont have time to take a course,there are books th

17、at tell you how you can do things yourself.16. Why did John Ross decide to build their furniture instead of buying it?17. According to Jim, who should be able to fix his car?18. For those who dont have time to take a course, how can they learn to become“do-it-yourselfers”?Passage 2Most of us spend h

18、igh school dissecting frogs and feeling awkward at the occasional dance,but a small group of students in Spain got to do something far cooler with their educational time:they sent a digital camera into space. A teacher and four students from IES La Bisbal School inCatalonia, Spain bought a 60 balloo

19、n and fixed an 80 digital camera to it, then sent it up into thesky to capture some high-altitude pictures.The team only wanted to see if they could get their homemade weather balloon to fly to30,000 feet, which is the altitude that most commercial aircraft fly at. But the balloon just keptclimbing

20、until it was 20 miles above the Earth, at the very edge of space. Tracking the balloonsprogress using meteorological sensors and Google Earth, the team kept track of atmosphericconditions and snapped a handful of amazing pictures.The four students and their teacher completed the experiment in Februa

21、ry 2009. The teambuilt the electronic sensor components themselves, then placed them, along with the camera, into aprotective housing before releasing the rig into the sky.The balloon rose to an altitude of over 100,000 feet before falling back to the ground. Theteam traveled over 10 km to find the

22、balloon and equipment. They were amazed to find that theequipment was still emitting a signal, despite being exposed to some extremely harsh conditions.19. What did four students in Spain do with their educational time?20. Whats the altitude that most commercial aircraft fly at?21. When did the team

23、 complete the experiment?22. After traveling 10 km to find the balloon and equipment, what was the team amazed to find?Passage 3Despite controversy, direct-to-consumer genetic tests are becoming more popular. This kindof genetic tests is more like a do-it-yourself diagnosis. It is becoming almost as

24、 easy as taking ahome pregnancy test. People can use their credit card to order a set of tools on the Internet, use abrush to remove a few cheek cells, return the tools and receive a report via e-mail. DTC tests costfrom a few hundred to a few thousand US dollars, and are available for more than 800

25、 conditions ranging from breast to cancer.The US population may be particularly ready for DTC testing because it has a do-it-yourselfethic and is accustomed to paying out of pocket for healthcare services. Companies that offergenetic tests are enthusiastic about the prospects of widespread DTC testi

26、ng. They argue thatgenetic testing is no different from non-DNA tests. But not everyone is thrilled about the ease withwhich consumers can take genetic tests. Some people worried DTC genetic testing poses dangersto the public. Patients may experience psychological harm since they might not understand whatthe results mean to them.The lack of regulation in t