700词扫除四级听力障碍-03

Unit 3contribute vi.作出贡献；有助于；投稿 vt.捐赠Young students may have fears of growing older. But that kind of fear can be reduced as they see that older people can be active, healthy, and continue to contribute to society.convenient adj.方便的；近便的Smart but comfortable and convenient to wear, T-shirts have become one of Americas newest ideas on fashion.conventional adj.常规的；符合习俗的；传统的What does the woman think of conventional schools?convey vt.传达；运送；转让What message did the researcher intend to convey to parents?copy n.抄件；（一）份 vt. 复印；模仿W: Professor Newman, a few of us at the back didnt get a copy of your reading assignment.M: Well, there are only 38 names on my class list, and I didnt bring any spare copies.copyright n.版权The Library of Congress buys some of its books and gets others as gifts. It also gets materials through its copyright office.corporation n.公司；团体In Latin legal language, “universitas” meant a society or corporation.cost n.成本，费用 vt. (使)花费It is necessary to keep down the cost of extra staff.The first round-trip ticket to the moon is going to cost at least 10 billion dollars if you include research and development.count vt.计算；把算入 vi.数；值得考虑 n.计数W: But what happens if it rains? What are we going to do then?M: Well have to count on good weather. But if it does rain, the whole thing will have to be canceled.counter n.柜台；计数器 vt.反驳M: Is this the check-in counter for Flight 914 to Los Angeles?W: Yes, but Im sorry the flight is delayed because of a minor mechanical problem. Please wait for further notice.countryside n.农村，乡下I have plenty of time for my hobbies, too-gardening, fishing, walking in the countryside. I love the outdoor lift.couple n.一对，一些；夫妻 vt. 使成对A couple of months ago, I went to a department store to buy a few things for the house.For old couples, a dog is also their child when their real children have grown up.cover vt.覆盖；包括，涉及 n.封面M: Have you finished reading the book you bought last month?W: Oh, I didnt read it straight through the way you read a novel. I just covered a few chapters which interested me most.crash vi.碰撞，坠落 n.坠毁；破裂声M: The taxi driver must have been speeding.W: Well, not really. He crashed into the tree because he was trying not to hit a box that had fallen off the truck ahead of himcream n.奶油；（化妆等用的）乳霜 adj.奶油色的M: What would you like for dessert? I think Ill have apple pie and ice cream.W: The chocolate cake looks great, but I have to watch my weight. You go ahead and get yours.crime n.罪行，犯罪In Britain, if you are found guilty of a crime, you can be sent to prison or be fined or be ordered to do community work such as tidying public places and helping the old.crisis n. 危机，决定性时刻Because of the pressure of the job, I used to smoke and drink too much. The crisis came when my wife left me.criminal n.罪犯 adj.犯罪的People may be afraid of them, look down of them, or think they are criminals.critically adv.危急的；挑剔地At home, Sams wife looked at the gold watch critically.cure vt.治愈 n.疗法；药（剂）Therere actually hundreds of kinds of cold viruses out there. You never know which one you will get, so there isnt a cure for each one.cut vt.修剪，剪短；削减 n.伤口；削减；修剪At their worst, they may threaten to take their children out of college, or cut off fundscycle n.循环，周期You see, the sun has cycles. Sometimes it burns fiercely and other times its relatively calm.damage n.损害；pl. 损害赔偿（金） vt.毁坏About 10-15 percent of these heart operations end in death or damage to the heart or other organs.dance n.舞M: The music is so beautiful that Id like to dance. But I dont know the steps.W: It doesnt matter. No one will be looking at us in this crowd.deal vi.处理 n.交易；分量As much of their business is seasonal, they do a good deal of the work themselves in order to make a profit.W: I had to deal with so many course last term that I really had a hard time.M: I told you it would be better for you if you took fewer course during the first semester.decide vt.决定；使决定 vi.决定I worked in the travel agency for two years and then they wanted to send me to South America. But I had just got married. So I decided to stay here.decorate vt.装饰，装潢We get lazy and in our laziness, we think that something like simple “thank you” doesnt really matter how nicely we dress or how beautifully we decorate our homes.deficiency n.不足；缺陷The experiment is the first to ask teachers to report on the effects of sleep deficiency in children.degree n.度数；程度；学位Very few people can get college degrees before 11, but Michael was an exception.Delicious adj.美味地；有趣的W: What do you think of the apple pie? I made it myself.M: Very delicious indeed. Even my mothers cannot match this.democratic adj.民主的，有民主精神/作风的It was the most democratic country in the world.dense adj.密集的；密度大的When steam is passed over dry ice, a very dense vapor rises.dentist n.牙科医生M: Can you stop by the post office and get me some envelopes and 39 cents stamps?W: Well, I am not going to stop by the post office, but I can buy you some at the bookstore after I see the dentist on Market Street.departure n.出发；违反M: Whats the time for departure?W: 5:30. That only leaves us 15 minutes to go through the customs and check our baggage.design n.涉及；图样；企图 vt.设计The diving suit helped the design of the space suit.desperate adj.不顾一切的；绝望的I soon found the key Vernon gave me could not unlock either the front door or the back door. I was getting desperate.destroy vt.破坏，毁灭；消灭Destroy the fish, and you destroy the fishermens means of living.destructive adj.破坏（性）的，毁灭（性）的Over-fishing, coupled with destructive fishing practices, is killing off the fish and ruining their environment.determine vt.查明；决定、使下决心 vi.下决心Sometimes parents regard their children as extensions of themselves, and think it only right and natural that they determine what their children do with their lives.develop vt.发展；研制；（开始）患（病等） vi.生长In their involvement and identification with their children, they forget that everyone is different, and that each person must develop in his or her own way.device n.装置，设备；手段Devices in other parts of the car can also tell the computer if the car is too close to another vehicle or is moving dangerously.dictionary n.词典，字典M: Do you have the paperback edition of this dictionary?W: Yes, we do. But the hard cover is on sale for the same price as the paperback.different adj.差异的，不同的Different people have different remedies for colds.difficult adj.困难的Its difficult to imagine the sea ever running out of fish. Its so vast, so deep, so mysterious. Unfortunately, its not bottomless.direction n.方位；pl.说明书；管理“Where is the university?” is the question many visitors to Cambridge ask. But no one could point at any one direction because there is no campus.director n.主管；董事；导演Two years later, the owner of the school wanted to retire, so he asked me to take over as the director.discipline n.纪律；训练 vt.训练；惩罚In their lessons at school, boys an girls may learn about such virtues as unselfishness, courage, discipline and love of ones country.discount n.（价格、债款等）折扣 vt.把打折扣；低估Mr. Nelson, I think I can give you an additional 15% discount.diverse adj.不同的；多种多样的She enrolled in a class called Relationships and Diverse Society.downstairs adv.在楼下 adj.楼下的 n.楼下M: The taxi is waiting downstairs, lets hurry.W: Wait a minute. Ill take some food with us. I dont like the meal served on the train.downtown adv.往/在商业区/闹市区 adj.商业区的M: Hi, Susan. Have you decided where to live when you get married?W: Id like to live in the downtown area near my work. But Nathan wants a house in the suburbs to save on expenses.dramatic adj.戏剧性的 n.-s戏剧表演M: How did you like yesterdays play?W: Generally speaking, it was quite good. The part of the secretary was played wonderfully, but I think the man who played the boss was too dramatic to be realistic.drop vt.（使）落下；（使）停止，放弃 n.下降；（一）滴M: I wonder if you can drop by tomorrow evening. The Stevensons are coming over to dinner. Id like you to meet them.Sure, Id love to. Ive heard they are very interesting people.drunk adj.（酒）醉的；陶醉的M: I think its high time we turned our attention to the danger of drunk driving now.W: I cant agree with you more. You see, countless innocent people are killed by drunk drivers each year.duty n.责任；职责；税The chief duty of every government is to protect persons and property.earn vt.赚得，挣得Learner drivers are not allowed to work and earn money as drivers.economic adj.经济的，经济学的 n.-s经济学The liberation of women in the early part of the twentieth century and the social and economic effects of the World War II had a great impact on the traditional family life.edition n.版，版本M: Do you have the paperback edition of this dictionary?W: Yes, we do. But the hard cover is on sale for the same price as the cation n.教育，训练It was in the 1960s that the largest expansion of higher education took place in Britain.effect n.结果；影响 vt.使生效；引起Brain scans show alcohol abuse kills brain cells. But little is known about the effects of life-long drinking.effective adj.有效的；给人印象深刻的；实际的Above all, parents now can plan the size of their family if they wish to have more effective meaning of birth control.efficient adj.效率高的，有能力的The reason London taxi drivers are so efficient is that they all have gone through a very tough training period to get special taxi driving license.elderly adj.较老的，年长的 n.the-到了晚年的人Recently researchers have found that, even in late adulthood, exercise, strength training with weights, and better food can help elderly individuals significantly improve their health and add happiness to their life.elegant adj.文雅的；简练的We cant be truly elegant without good manners because elegance and good manners always go head in hand.elementary adj.基本的；小学的According to classroom teachers, elementary and middle school students who stay up late exhibit more learning and attention problems.emergency n.紧急情况，不测事件Each year about 200,000 children end up in hospital emergency rooms with playground injuries.employ vt.雇用；用 n.雇用They usually employ college students to do the cleaning and washing-up.energy n.活力，精力；能量If your parents had wanted several children, but could have you only, they are most likely to pour into you all the energy and attention that had been intended for several children.engineering n.工程（学），工程师行业I resigned and applied for a job with another engineering company.Part Two 体会音变 You can tell the age of a tree by counting its rings, but these records of trees life really say a lot more. Scientists are using tree rings to learn whats been happening on the suns surface for the last ten thousand years. Each ring represents a year of growth. As the tree grows, it adds a layer to its trunk, taking up chemical elements from the air. By looking up the