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答案BCDCD C
原文Hubble's Closest Look at Mars
NASA is releasing several images taken by the Hubble Space Telescope, which is the closest yet look at the red planet. Altogether there are four images, which show the entire planet. Each view shows the planet as it completes one quarter of its daily rotation. In these views the north polar cap is turned toward the Earth and is clearly visible at the top of each picture. The images were taken in the middle of the Martian northern summer, when the polar cap was at its smallest size. During this season the sun shines continuously on the polar cap. Previous spacecraft observations have shown that this summertime polar cap is composed of water ice, just like Earth's polar caps.
The Hubble Telescope pictures reveal that great changes have occurred on the surface of Mars in the past 20 years. The Martian surface is ever changing. Some regions that were dark 20 years ago are now bright red; some areas that were bright red are now dark. Winds move sand and dust from region to region, often in huge dust storms. Over long timescales many of the larger bright and dark markings remain stable, but smaller details come and go as they are covered and then uncovered by sand and dust.
The Hubble pictures reveal that the surface of Mars is covered with a lot of volcanic rocks. But mysteries still remain. Has there been life on Mars? Is there life on it now? How different is it from our own planet? These are a few of the questions waiting to be solved.
Unit 14
Part B Text 1
Exercise 1:
1. The advantages and disadvantages of genetic engineering. 2. genetically engineered foods may be dangerous to eat.
3. Carry out enough tests to ensure that genetically engineered foods are safe to eat.
Exercise 2: 1. a 2. c 3. d 4. c 5. c Text 2
Exercise 1: 1. F 2. F 3. T 4. F 5. F Exercise 2:
1. genetic/ produce/ rot/ less
2. process/ genes/ laboratory/ disastrous 3. negative/ genetic screening/ predict/ have 4. meaningless/ cure/ disease
5. hereditary disease/ carefully (twice)/ children 6. eugenics/ new/ harmful/ criminality
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7. /
8. hair/ job/ hair/ medical/ refuse/ disease/ long 9. absurd Part C
1. Fields of God. 2. On June 8 or 9.
3. A mystery illness threatening the world. 4. Genetically modified wheat. 5. impossible.
6. he had changed his stand (tune). 7. Anti-GM hysteria. PART D
答案T F F F F T T
原文Making a New Mosquito
Bloodsucking mosquitoes are perhaps Earth's most persistent pest, delivering malaria, yellow fever and a host of other diseases each year to more than half a billion people and killing between 2 million and 3 million. Numerous gallons of pesticides are sprayed each year in an effort to wipe out the tiny beasts. But the results have not been good. Many species of mosquitoes have become resistant to insecticides.
For nearly two decades scientists have been thinking of creating a designer mosquito that would have no ability to spread diseases. Finally in 1998, using technologies developed in genetic engineering, scientists succeeded in producing a new type of mosquitoes with red eyes. These mosquitoes not only look different but act in a different way. Every time they suck blood, a substance that recognizes bacteria and kills them will be produced.
The major challenge for scientists today is to create a species of mosquitoes that are incapable of transmitting malaria. For this they will have to turn their attention from the laboratory species to malaria-causing species in the wild.
As scientists move closer to their goal, they are facing a growing argument over whether it is practicable or wise to create such genetically engineered creatures and set them loose in the environment. One of the problems is that genetically engineered mosquitoes would need to be created for each of the estimated 100 species that carry illnesses that affect humans. Furthermore, strains of these mosquitoes vary from place to place. Even though these problems can be solved, where is the village or town that wants a million or so biting mosquitoes released?
Unit 15
Part B Text 1
Exercise 1: 1. c 2. a 3. c Exercise 2: disadvantages: 1. equal pay
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2. small/ top executives 3. higher/ family/ jobs advantages:
1. middle management 2. part time jobs 3. a. six/ pay
b. pension/ three or more c. quality/ education d. legal/ state appearance:
elegantly/ soft/ stylish/ silk/ nails/ makeup/ jewelry capability:
negotiating/ much/ male Text 2
Exercise 1: 1. D 2. B
Exercise 2: 1. F 2. F 3. F 4. F 5. F 6. T 7. T Part C
1.b 2.c 3.d 4.a 5.a PART D
答案（仅供参考）1、When she was traveling on a train. 2、Herself
3. She didn't expect that so many people like the books and the book are so successful.
4. the books are getting darker.
5. Her favorite writer of all time is Jane Austen
原文An Interview with a Successful Woman Writer
(The author of Harry Potter, J. R. Rowling, is being interviewed by a reporter.)
Interviewer: Where do you get your ideas from, Mrs. Rowling?
Rowling: I wish I knew. Sometimes they just come like magic and other times I have to sit and think for weeks before I manage to work out how something will happen. Where the idea for Harry Potter actually came from I really couldn't tell you. I was traveling on a train between Manchester and London and it just popped into my head. I spent four hours thinking about what Hogwarts would be like -- the most interesting train journey I've ever taken. By the time I got off at King's Cross many of the characters in the books had already been invented.
Interviewer: Are any of the characters in the books based on real people?
Rowling: Tricky question! The answer is yes, and no. I have to confess that Hermione Granger is a little bit like I was at her age, though I was neither as clever nor as annoying. Ron is little bit like my oldest friend and Professor Snape is a lot like one of my old teachers, but I'm not saying which one.
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Interviewer: How long have you been writing?
Rowling: Nearly all my life. I had written two novels before I had the idea for Harry, though I'd never tried to get them published.
Interviewer: Did you expect the Harry books to be this successful?
Rowling: Never. I just wrote the sort of thing I liked reading when I was younger. I didn't expect lots of people to like them, in fact, I never really thought much apart from getting them published.
Interviewer: Any clues about the next book?
Rowling: I don't want to give anything away, but I can tell you that the books are getting darker ... Harry's going to have quite a bit to deal with as he gets older. Sorry if they get too scary!
Interviewer: Who are your favorite authors?
Rowling: My favorite writer of all time is Jane Austen.
Unit 16
Part B Text 1
Exercise 1: 1. a 2. c
Exercise 2: 1. T 2. F 3. F 4. F 5. T 6. F 7. T 8. F Text 2
Exercise 1: 1. A 2. B Exercise 2:
1. The fuse went and the house was in total darkness. She realized she could no longer depend on Jim to fix things for her.
2. Because everybody else looked so young.
3. An old woman was also signing up for a class there to learn something new. 4. He did not seem to be happy.
5. Helen was totally changed and looked fantastic. Part C dialogue I
1. d 2. b 3. c dialogue II 1. a 2. d PART D
How to Deal with Traumatic Events
None of us are fully prepared to deal with traumatic events. We feel devastated whenever property is destroyed or there is a serious injury or a loss of life. We can become overwhelmed when friends, co-workers and loved ones experience tragic, dangerous, life-threatening or violent events. To cope, we can look for support from our community, friends, families, co-workers, employers, or a health care professional. A special meeting within the first 24 to 72 hours of a traumatic incident for the people directly involved as well as others affected is an important step toward recovery.
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It is critical to discuss what happened, our role, what we thought, as well as our emotional and physical reactions. This may not take place all at once but may need to happen formally and informally over a period of weeks. Without this, the problems associated with traumatic incidents can become chronic and less easy to cure. Talking about traumatic events can become more challenging when an individual is exposed to repeated traumas over time.
全汇总整理大学英语听说教育教案3标准答案完整编辑版
