现代大学英语听力3UNIT4原文与答案

1、.Unit 4Task 1【答案】A.1) They are farms that grow vegetables for city people to eat fresh.2) s a farm that grow plants and flowers to sell.3) They protect the plants from the cold in the winter but let them get plentyof light, so the plants can be grown all through the year.B.1) canned, frozen2) flower

2、s, garden plants, home gardens, yards, window boxes3) buildings, furniture, firewood【原文】Grain, vegetables and fruits are found on most farms. All of them arefood for animals and people.Grain can be fed to animals just as it is harvested. But before people usethem grains are usually made into flour o

3、r breakfast cereal. Bread, macaroni（通心粉）, and cereals（麦片） all come from grain.Tomatoes, beans, potatoes, beets（甜菜）, lettuce（生菜）, carrots andonions are field and garden vegetables. Can you think of any others?Vegetables are good for people and for some animals such as pigs andrabbits.Farms that grow

4、vegetables for city people to eat fresh are called truckfarms. Truck farms are usually close to big cities. Each day hundreds of loadsof fresh vegetables are brought to stores on the farmers trucks. Without thetruck farmers people in cities would not eat well. And without city peoplewho eat fresh ve

5、getables, the truck farmers would have no work.There are many kinds of fruit. Apples, pears, peaches, cherries, oranges,grapefruit, and berries are a few kinds. You will be able to think of other kindsthat you like. Most fruit is grown on specialized farms. But many generalfarms have some fruit to u

6、se and sell also.Like vegetables, fruit is sold fresh in markets. But a large part of both fruitand vegetable crops is sent to factories to be canned or frozen.参考材料.In warm parts of our country farmers grow cotton, rice, tobacco, sugarcane（甘蔗）, and peanuts.Specialized farms raise flowers and garden

7、plants. They are sold toflorists（花商） and to families for home gardens, or yards, or window boxes.Afarm that grow plants and flowers to sell is called a nursery（苗圃）. Mostnurseries have glass buildings, called hothouses or greenhouses. Thehothouses are heated to protect the plants from cold in the win

8、ter but letthem get plenty of light, so they can be grown all through the year.Some farms grow only trees. Some of these are Christmas tree farms.Others are large forests where trees are grown for their wood. The wood isused for buildings, furniture and firewood. Some tree farms grow only nuttrees.T

9、ask 2【答案】A.The safety of some pesticides used to kill insects,especially in developing countries:1. poor quality pesticides, which often containharmful chemicals2. the poor quality of pesticide containers andproduct information on the containersof 1. pesticides kill insects and other organisms thatt

10、hreaten crops.AdvantagesPesticides2. pesticides also are used for public health. Theycontrol insects that spread disease, such asmosquitoes that spread malaria.Possible Causes of Production problems and failure to use the rightPesticidesB.1) The UN agencies report that the market value of pesticides

11、 in developingcountries last year was about three thousand million dollars.参考材料.2) The agencies called for worldwide acceptance of Food and Agriculture andWorld Health Organization pesticide rules. They say this would helpguarantee the safe production of and trade in pesticides.【原文】Two United Nation

12、s agencies are expressing concern about the safety ofsome pesticides used to kill insects. They report that about thirty percent ofall pesticides sold in developing countries fail to meet widely accepted rulesfor quality. They say these products are a serious threat to human health andthe environmen

13、t.The UN Food and Agriculture Organization and the World HealthOrganization gave the warning.In developing countries, pesticides are used mainly for agriculture.Pesticides kill insects and other organisms that threaten crops. Pesticides alsoare used for public health. They control insects that sprea

14、d disease, such asmosquitoes that spread malaria.The UN agencies report that the market value of pesticides in developingcountries last year was about three thousand million dollars. They say theestimated market value of pesticides worldwide was thirty-two thousandmillion dollars.Officials say poor

15、quality pesticides often contain harmful chemicals.These chemicals often are banned or restricted in some countries.Possible causes of low quality in pesticides include production problemsand failure to use the right chemicals. Officials say the active chemicals inmany pesticides are stronger than t

16、hose permitted by many governments.They also say poor quality pesticides may contain poisonous substances orsubstances that are not pure.Officials say the quality of pesticide containers and product informationon the containers are other concerns. They say information on the containersoften fails to

17、 explain the active chemicals and how to use the product safely.The WHO says products listing false information have been sold for yearsin some areas. The agencies say the problem of poor quality pesticides iswidespread in parts of Africa south of the Sahara Desert. They called forworldwide acceptan

18、ce of Food and Agriculture and World Health参考材料.Organization pesticide rules. They say this would help guarantee the safeproduction of and trade in pesticides.Officials say the agencies rules are especially important for developingcountries. They say developing countries often lack systems for testi

19、ngpesticides.Task 3【答案】1) c) 2) d) 3) b)B.s because theyre making an investment all the time, but are still not surewhether or not they can make profits.【原文】Interviewer: Cattle raising and beef in the US is big business, isnt it?Bob Beck: Yes, its the largest businesscattle business.Interviewer: It

20、must be a very profitable business then.Bob Beck: Uh, not necessarily.Interviewer: Its not necessarily a profitable business?Bob Beck: At times, its not profitable. Your production costs get. its a supplyand demand market, and if your supply is larger than yourdemand.Interviewer: So the price is flu

21、ctuating all the time.Bob Beck: Right. It fluctuates, and it can get below production costs.Interviewer: But you never know. For instance, next year, you dont know whatitll bring on the market.Bob Beck: No, technically it takes a year and a half from the time you breedthe cow, until you get the calf

22、, until the calfs marketable.Interviewer: Uh-huh.Bob Beck: Youve got a year, to a year and a half, tied up there.Interviewer: So, youre making an investment all the time.Bob Beck: Right. So youre not sure.Interviewer: It sounds like it might be a very insecure kind of existence.Wonder why it is that

23、 people want to be farmers or ranchers 大参考材料.农场主） then.Bob Beck: I think the majority of it is you like it. Its one thing. Its a breed(kind)of people. They like it. If you dont like what youre doing,why.Interviewer: What is there about it? You live essentially in a rural area. Doesntthat feeling of

24、isolation ever bother you?Bob Beck: No. Its getting too crowded.Interviewer: Too crowded!Bob Beck: Too many people!Interviewer: I can see that, for instance, in a city, you have restaurants to goto, movie all kinds of things available to people, a lotof conveniences which you dont have in the more r

25、ural areas.What do people who farm and ranch do for recreation andrelaxation, for instance. erm.Bob Beck: Well, I think a lot of it is if youre a livestock raiser, youll go checkyour cows in the evening instead of going to a movie.Interviewer: Uh-huh.Bob Beck: Thats as much recreation as driving thr

26、ough a bunch or cows, andif you like them, you enjoy that.Interviewer: In terms of the way of life, to a lot of people, it would seem thatits a very hard life. It means a lot of hard work. I mean, you havea schedulewhether you feel like it or not, you have to get outand feed animals, and so forth. W

27、ould you regard that as one ofthe difficult things about it, or is that.Bob Beck: No.Interviewer: just sort of. part of it?Bob Beck: For me, if I had to go to a desk every morning, thatd kill me.Task 4【答案】A. paid off, fall back on, a security, operating expenses, complete disasterB.1) Some of them c

28、ook the meals, clean the house and take care of the kids参考材料.every day.2) Yes. That is especially so after theyve had one or two bad years when theycouldnt make money.3) When their children are small, they were with their parents to go out towork; when they are very small, Sharon didnt go out as muc

29、h as she wouldlater.4) She thinks that in this way the children are a lot more self-reliant. Theylearn to work and they learn responsibility. They learn a lot about life bybeing continually in life with animals.【原文】Bob Beck: I think, for a wife, the same as a husband, they like it or theywouldnt mar

30、ry a farmer or a rancher.Interviewer: Uh-huh.Bob Beck: Theyd get out. I think its not at all wives. Some of them are justlike suburban housewives.Interviewer: Uh-huh.Bob Beck: They cook the meals, and they clean the house and thats it. takecare of the kids.Interviewer: Have you known some situations

31、 like that?Bob Beck: Oh, yeah, I know situations like that!Interviewer: Sharon, is there a problem of the feeling of security?Sharon Beck: What kind of security are you talking about financial security?Interviewer: Uh, yeah, financial security. Uh, the thing is up and down. Youdont know what the mar

32、kets going to bring, er. for beef. Youwork all year, and so forth. Is there any problem of that sort?Sharon Beck: Sure, theres the problem of security. Especially, if youve hadone or two bad years. You feel awfully insecure.Interviewer: Uh-huh.Sharon Beck: If youve borrowed money to buy a farm or to

33、 operate, andtheres no money coming in, you feel awfully insecure.Interviewer: Uh-huh.Sharon Beck: But if youve got a fairly good amount of your ranch paid off,youve got that to fall back on. You can always think of that as参考材料.a security. If everything else fails, if you cant pay for youroperating

34、expensesInterviewer: Uh-huh.Sharon Beck: .you can always sell your equity in your ranch. So it isntcomplete disaster.Interviewer: But its not something that bothers you terribly. I mean, its a factof life. Its sort of.Sharon Beck: Something you live with, yeah.Interviewer:. part of the thing. The role of the wife in this situation is quitedifferent than that of a suburban housewife. You dont havemuch fre