老托听力93篇原文.docx

1、老托听力93篇原文老托 Part C 精选 93 篇1Community service is an important component of education here at our university. We encourage all students to volunteer for at least one community activity before they graduate. A new community program called One On One helps elementary students whove fallen behind. You ed

2、ucation majors might be especially interested in it because it offers the opportunity to do some teachingthat is, tutoring in math and English. Youd have to volunteer two hours a week for one semester. You can choose to help a child with math, English, or both. Half-hour lessons are fine, so you cou

3、ld do a half hour of each subject two days a week. Professor Dodge will act as a mentor to the tutorshell be available to help you with lesson plans or to offer suggestions for activities. He has office hours every Tuesday and Thursday afternoon. You can sign up for the program with him and begin th

4、e tutoring next week. Im sure youll enjoy this community service and youll gain valuable experience at the same time. It looks good on your resume, too, showing that youve had experience with children and that you care about your community. If youd like to sign up, or if you have any questions, stop

5、 by Professor Dodges office this week.【生词摘录】1. component: n.Cone of several parts that together make up a whole machine or system （机器或系统的）零件；成分；组成部分2. tutor: n. Csomeone who teaches one pupil or a small group, and is directly paid by them 家庭教师，私人教师 v. to teach someone as a tutor 给?当家庭教师；指导3. mentor:

6、 n. Can experienced person who advises and helps a less experienced person 顾问，指导人，教练12I hope youve all finished reading the assigned chapter on insurance so that youre prepared for our discussion today. But, before we start, Id like to mention a few things your text doesnt go into. Its interesting t

7、o note that insurance has existed in some form for a very long time. The earliest insurance policies were what we called bottomry contracts. They provided shipping protection for merchants as far back as 3000 B.C. In general, the contracts were often no more than verbal agreements. They granted loan

8、s to merchants with the understanding that if a particular shipment of goods was lost at sea, the loan didnt have to be repaid. Interest on the loans varied according to how risky it was to transport the goods. During periods of heavy piracy at sea, for example, the amount of interest and the cost o

9、f the policy went up considerably. So, you can see how insurance helped encourage international trade. Even the most cautious merchants became willing to risk shipping their goods over long distances, not to mention in hazardous weather conditions when they had this kind of protection available. Gen

10、erally speaking, the basic form of an insurance policy has been pretty much the same since the Middle Ages. There are four points that were salient then and remain paramount in all policies today. These were outlined in chapter six and will serve as the basis for the rest of todays discussion. Can a

11、nyone tell me what one of those points might be?【生词摘录】1. insurance: n. Uan arrangement with a company in which you pay them money each year and they pay the costs if anything bad happens to you, such as an illness or an accident 保险；the money that you pay regularly to an insurance company 保险费；the bus

12、iness of providing insurance 保险业2. bottomry: n. 船舶抵押契约（如船舶损失，则债务取消），冒险借贷3. contract: n. Ca formal written agreement between two or more people, which says what each person must do for the other 契约；合同4. loan: n. Can amount of money that you borrow from a bank etc （银行等的）贷款5. understanding: n. C usuall

13、y singulara private, unofficial agreement（私底下、非正式的）协议，协定6. interest: n. Ua charge made for borrowing money（借贷的）利息+on7. piracy: n. the crime of attacking and stealing from ships at sea 海上抢劫，海盗行为8. cautious: adj. careful to avoid danger or risks 小心的，谨慎的，慎重的9. hazardous: adj. 危险的10. salient: adj. forma

14、l the salient points or features of something are the most important or most noticeable parts of it 【正式】显着的，突出的11. paramount: adj. more important than anything else 至高无上的，最重要的3Located at the NASA Research Center in Iowa is a 5,000-gallon vat of water, and inside the tank is an underwater treadmill d

15、esigned by Dava Newman, an aerospace engineer. For four years Newman observed scuba divers as they simulated walking on the Moon and on Mars on her underwater moving belt. She wanted to discover how the gravity of the Moon and of Mars would affect human movement. To do this, Newman attached weights

16、to the divers and then lowered them into the tank and onto the treadmill. These weights were carefully adjusted so that the divers could experience underwater the gravity of the Moon and of Mars as they walked on the treadmill. Newman concluded that walking on Mars will probably be easier than walki

17、ng on the Moon. The Moon has less gravity than Mars does, so at lunar gravity, the divers struggled to keep their balance and walked awkwardly. But at Martian gravity, the divers had greater traction and stability and could easily adjust to a pace of 1.5 miles per hour. As Newman gradually increased

18、 the speed of the treadmill, the divers took longer, graceful strides until they comfortably settled into an even quicker pace. Newman also noted that at Martian gravity, the divers needed less oxygen. The data Newman collected will help in the future design of Martian space suits. Compared to lunar

19、 space suits, Martian space suits will require smaller air tanks; and, to allow for freer movement, the elbow and knee areas of the space suits will also be altered.【生词摘录】1. gallon: n. AmE a unit for measuring liquids, equal to 3.785 litres 【美】加仑（等于 3.785 升）2. vat: n. Ca very large container for sto

20、ring liquids such as whisky or dye, when they are being made（酿酒、盛染料用的）大缸，大桶3. tank: n. Ca large container for storing liquid or gas（盛放液体或气体的）大容器4. treadmill: n. Ca mill worked in the past by prisoners treading on steps fixed to a very large wheel（过去用以惩罚犯人的）踏车5. aerospace: adj. involving the designin

21、g and building of aircraft and space vehicles 航空和航天（器制造）的 n.Uthe industry that designs and builds aircraft and space vehicles 航空和航天工业，航天工业6. scuba diving: n. Uthe sport of swimming under water while breathing through a tube connected to a container of air on your back 斯库巴潜泳，水肺潜泳（戴自携式潜水呼吸器潜泳）7. simul

22、ate: v. to make or produce something that is not real but has the appearance of being real 模仿，模拟8. Martian: adj. of or relating to the planet Mars 火星的9. stride: n. Ca long step 大步，阔步10. elbow: n. Cthe joint where your arms bends 肘4Welcome to Everglades National Park. The Everglades is a watery plain

23、 covered with saw grass thats home to numerous species of plants and wildlife. At one and a half million acres, its too big to see it all today, but this tour will offer you a good sampling. Our tour bus will stop first at Taylor Slough. This is a good place to start because its home to many of the

24、plants and animals typically associated with the Everglades. Youll see many exotic birds and, of course, our world famous alligators. Dont worry, theres a boardwalk that goes across the marsh, so you can look down at the animals in the water from a safe distance. The boardwalk is high enough to give

25、 you a great view of the saw grass prairie. From there well head to some other marshy and even jungle like areas that feature wonderful tropical plant life. For those of you whod like a closer view of the saw grass prairie, you might consider renting a canoe sometime during your visit here. However,

26、 dont do this unless you have a very good sense of direction and can negotiate your way through tall grass. Wed hate to have to come looking for you. You have the good fortune of being here in the winterthe best time of year to visit. During the spring and summer, the mosquitoes will just about eat

27、you alive! Right now theyre not so bothersome, but youll still want to use an insect repellent.【生词摘录】1. Everglades National Park: 大沼泽地国家公园2. saw grass: 克拉莎草；加州砖子苗3. acre: n. Ca unit for measuring area, equal to 4,047 square metres 英亩4. sampling: n. items selected at random from a population and used

28、 to test hypotheses about the population 取样，抽样，采样5. exotic: adj. approving seeming unusual and exciting because of being connected with a foreign country 【褒义】异国风情的，外国情调的：exotic birds外国的奇异鸟类6. alligator: n. Ca large animal with a long mouth and sharp teeth that lies in the hot wet parts of the US and

29、 China 短吻鳄7. boardwalk: n. CAmE a raised path made of wood, usually built next to the sea【美】（常在海滨）用木板铺成的小道8. prairie: n. Ca wide open area of land in North America which is covered in grass or wheat（北美洲的）大草原9. canoe: n. Ca long light boat that is pointed at both ends and which you move along using a

30、 paddle 独木舟，小划子10. negotiate: v. 成功通过，顺利越过11. mosquito: n. Ca small flying insect that sucks the blood of people and animals 蚊子12. repellent: n. C,Ua substance that keeps insects away 驱虫剂5Thank you. Its great to see so many of you interested in this series on Survival in Outer Space. Please excuse t

31、he cameras; were being videotaped for the local TV stations. Tonight Im going to talk about the most basic aspect of survivalthe space suit. When most of you imagine an astronaut, thats probably the first thing that comes to mind, right? Well, without space suits, it would not be possible for us to

32、survive in space. For example, outer space is a vacuumtheres no gravity or air pressure; without protection, a body would explode. Whats more, wed cook in the sun or freeze in the shade with temperatures ranging from a toasty 300 degrees above to a cool 300 degrees below zero Fahrenheit. The space suit that NASA has developed is truly a marvel. This photo enlargement here is a life-size image of an actual space suit worn by astronauts on the last space shuttle mission. This part is the torso.