老托福听力PartC原文.doc

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1、老托福听力PartC原文 为了让大家更好的准备托福考试，给大家整理老托福听力PartC原文，下面就和大家分享，来欣赏一下吧。老托福听力PartC原文Community service is an important component of education here at our university.在我们大学这里，社区服务是教育的一个重要组成部分We encourage all students to volunteer for at least one community activity before they graduate.我们鼓励所有的学生志愿参加至少一次社区活动在他们毕业

2、前A new community program called One On One helps elementary students whove fallen behind.一个新的社区计划，叫做“一对一”，帮助落后的小学生You education majors might be especially interested in it because it offers the opportunity to do some teachingthat is, tutoring in math and English.你们教育专业的可能对此尤其感兴趣，因为它提供了教学的机会，也就是说，辅导数

3、学和英语Youd have to volunteer two hours a week for one semester. You can choose to help a child with math, English, or both.你们必须在一学期内每周志愿服务两个小时。你可以选择帮助一个孩子的数学、英语或两个都帮。Half-hour lessons are fine, so you could do a half hour of each subject two days a week.半个小时的课程就好，所以你可以每项做半个小时, 一周做两天。Professor Dodge wi

4、ll act as a mentor to the tutors-hell be available to help you with lesson plans or to offer suggestions for activities.Dodge教授会担任家教们的辅导者，他将能够帮你做授课计划或者提供活动的建议He has office hours every Tuesday and Thursday afternoon.他每周二、四的下午有工作时间。You can sign up for the program with him and begin the tutoring next w

5、eek.你可以在他那儿报名参加计划，并且下周开始家教Im sure youll enjoy this community service and youll gain valuable experience at the same time.我相信你将会享受这个社区服务，同时你将获得有价值的经验It looks good on your resume, too, showing that youve had experience with children and that you care about your community.这个也会在你的履历上看起来很好，显示你有孩子方面的经验，同时

6、你很关心你的社区。If youd like to sign up, or if you have any questions, stop by Professor Dodges office this week.老托福听力PartC原文I hope youve all finished reading the assigned chapter on insurance so that youre prepared for our discussion today.我希望你们都已经读完了保险上的指定章节，所以你们已经准备好了咱们今天的讨论。But, before we start, Id lik

7、e to mention a few things your text doesnt go into.但是，在我们开始之前，我想提及一些你们课本上没有探究的事Its interesting to note that insurance has existed in some form for a very long time.值得注意的是，保险已经以某种形式存在了很长一段时间The earliest insurance policies were what we are called bottomry(use boats as mortgage) contracts.最早的保险契约被我们称作压

8、船借款合同They provided shipping protection for merchants as far back as 3000 B.C.他们早在公元前3000年就为商人提供了海运保护In general, the contracts were often no more than verbal agreements.一般来说，这些合同通常也不过是口头协议They granted loans to merchants with the understanding that if a particular shipment of goods was lost at sea, th

9、e loan didnt have to be repaid.他们发放贷款给商人，带着这样的谅解：如果一船特定的货物损失在海上，贷款不必偿还。Interest on the loans varied according to how risky it was to transport the goods.贷款的利息的变化取决于运送货物的风险程度During periods of heavy piracy at sea, for example, the amount of interest and the cost of the policy went up considerably.在海上盗

10、贼严重的时期，举例来说，利息的数量和保单的代价上升的相当之高。So, you can see how insurance helped encourage international trade.所以，你能看到保险是如何帮助并激励国际贸易的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 protecti

11、on available.即使最谨慎的商人也变得愿意冒险去长距离运送他们的货物，更不用说在危险的天气条件下当他们能得到这种保护了。Generally speaking, the basic form of an insurance policy has been pretty much the same since the Middle Ages.一般而言，保单的基本形式从中世纪以来基本上是一致的There are four points that were salient then and remain paramount in all policies today.那时，有四点是突出的，并

12、且至今在所有保单中依然是最重要的。These were outlined in chapter six and will serve as the basis for the rest of todays discussion.这些被概述在第六章，并将作为今天讨论剩余部分的基础。Can anyone tell me what one of those points might be?有人能告诉我这几点的其中之一可能是什么吗?老托福听力PartC原文Located at the NASA Research Center in Iowa is a 5,000-gallon vat of water

13、, and inside the tank is an underwater treadmill designed by Dava Newman, an aerospace engineer.在在爱荷华美国国家航空航天局研究中心有一大桶5000加仑的水，在水槽内有一个水下跑步机，由Dava Newman，一个航空工程师设计。For four years Newman observed scuba divers as they simulated walking on the Moon and on Mars on her underwater moving belt.四年来，Newman观察了

14、水肺潜水员们，他们在她的水下移动带上模拟在月球和火星上行走。(四年来，当水肺潜水员们在她设计的水下移动带上模拟月球和火星上行走时，Newman观察了他们。)She wanted to discover how the gravity of the Moon and of Mars would affect human movement.她想要发现月球和火星的重力是如何影响人体运动的。To do this, Newman attached weights to the divers and then lowered them into the tank and onto the treadmil

15、l.为此，Newman附加了重量在潜水员身上并且把他们下放到水箱中的跑步机上。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.这些重量是仔细校准过的，所以潜水员们能够在水下体验月球和火星的重力，当他们行走在跑步机上时。(所以当他们走在跑步机上时，潜水员们能够在水下体验月球和火星的重力)Newman concluded that walkin

16、g on Mars will probably be easier than walking on the Moon.Newman推断行走在火星上可能会比行走在月球上容易些The Moon has less gravity than Mars does, so at lunar gravity, the divers struggled to keep their balance and walked awkwardly.月球比火星重力小，所以在月球的重力下，潜水员们要尽力保持他们的平衡并且步履蹒跚。But at Martian gravity, the divers had greater

17、traction and stability and could easily adjust to a pace of 1.5 miles per hour.但在火星的重力下，潜水员们有较大的抓地力和稳定性并且能够轻松适应1.5英里每小时的步速。As Newman gradually increased the speed of the treadmill, the divers took longer, graceful strides until they comfortably settled into an even quicker pace.当Newman逐渐增加跑步机速度的时候，潜

18、水员们使用长一些，优雅的步伐，直到他们舒服的适应了一个甚至更快的步速。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.Newman也注意到在火星的重力下，潜水员需要较少的氧气。被Newman收集的数据将会在未来有助于火星宇航服的设计。Compared to lunar space suits, Martian space suits wi

19、ll require smaller air tanks; and, to allow for freer movement, the elbow and knee areas of the space suits will also be altered.同月球的宇航服相比，火星的宇航服将会要求小一些的空气箱，并且，允许更加自由的运动，宇航服肘部和区域也将被改变老托福听力PartC原文Welcome to Everglades National Park.欢迎来到Everglades国家公园The Everglades is a watery plain covered with saw g

20、rass thats home to numerous species of plants and wildlife.Everglades是一个被锯齿草覆盖着的湿润的平原，是许多种植物和野生动植物的故乡。At one and a half million acres, its too big to see it all today, but this tour will offer you a good sampling.因为150万英亩(大小)，它太大了而不能今天都看完，但是这次旅行将会提供你一个好的样本。Our tour bus will stop first at Taylor Slou

21、gh.我们的旅游巴士将首先停在Taylor SloughThis is a good place to start because its home to many of the plants and animals typically associated with the Everglades.这是一个开始的好地方，因为这里是许多同Everglades有关系的动植物的故乡。Youll see many exotic birds， and, of course, our world famous alligators.你将会见到许多奇异的鸟类，当然还有，我们世界闻名的短吻鳄Dont worr

22、y, theres a boardwalk that goes across the marsh, so you can look down at the animals in the water from a safe distance.不用担心，有一条木板路穿过沼泽，所以你可以从一个安全的距离向下看动物。The boardwalk is high enough to give you a great view of the saw grass prairie.木板路高到足以给你一个很棒的锯齿草大草原的景观。From there well head to some other marshy

23、and even jungle like areas that feature wonderful tropical plant life.从那里我们将去向另一些湿地乃至丛林似的以美好的热带丛林植物为特色的区域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.对于你们谁喜欢锯齿草大草原近距离景观的，你们应该考虑在你们参观的期间租一个独木舟However, dont do this

24、 unless you have a very good sense of direction and can negotiate your way through tall grass.然而，别这么做，除非你有非常好的方向感，并且能够穿过长草找到你的路Wed hate to have to come looking for you.我们痛恨不得不来寻找你You have the good fortune of being here in the winterthe best time of year to visit.你们冬季在这里是很幸运的一年中最好的时间来游览During the spr

25、ing and summer, the mosquitoes will just about to eat you alive!在春夏期间，蚊子将会活生生的吃了你。Right now theyre not so bothersome, but youll still want to use an insect repellent.现在它们还没那么令人讨厌，但是你将仍然会想要使用驱虫剂的老托福听力PartC原文Thank you. Its great to see so many of you interested in this series on Survival in Outer Spac

26、e.谢谢。见到你们这么多人对“生存在外层空间”这个系列感兴趣真是太棒了。Please excuse the cameras, were being videotaped for the local TV stations.请原谅这些摄像机，我们正在为地方电视台录像。Tonight Im going to talk about the most basic aspect of survivalthe space suit.今晚我将要谈论关于最基本的生存方面宇航服When most of you imagine an astronaut, thats probably the first thin

27、g that comes to mind, right?当你们中的大多数人想象一个宇航员的时候，那个可能是脑子里首先要想到的，对吗?Well, without space suits, it would not be possible for us to survive in space.好，没有宇航服，对我们来说生存在太空中是不可能的。For example, outer space is a vacuumtheres no gravity or air pressure; without protection, a body would explode.举例来说，外层空间是一个真空空间没有

28、重力和气压;没有防护的话，人体将会爆炸。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.更重要的是，从酷热的零上300华氏度到冰冷的零下300华氏度的温度范围里，我们会在阳关下被烤熟或者在阴影下被冰封The space suit that NASA has developed is truly a marvel.NASA研制出的的宇

29、航服真是个奇迹This photo enlargement here is a life-size image of an actual space suit worn by astronauts on the last space shuttle mission.这张放大的照片是个与实物大小一样的，一件真正的被宇航员在最近一次航天飞机任务中穿过的图像This part is the torso.这个部分是躯干。Its made of seven extremely durable layers.它是由七个极其耐用的层次制成的This thick insulation protects aga

30、inst temperature extremes and radiation.这个厚厚的隔离层防御了极端温度和辐射。Next is what they call a bladder of oxygen thats an inflatable sac, filled with oxygen, to simulate atmospheric pressure.下一个是所谓的氧气囊，那是一个可充气的囊，充满了氧气，用来模拟大气压强。This bladder presses against the body with the same force as the Earths atmosphere a

31、t sea level.这个囊状物压在皮肤上，带着同样的力量，就像地球空气在海平面上一样。The innermost layers provide liquid cooling and ventilation.最内层提供了液体冷却和通风设备。Despite all the layers, the suit is flexible, allowing free movement so we can work.尽管有所有这些层，宇航服是有灵活性的，允许自由运动，所以我们能够工作。Another really sophisticated part of the space suit is the helmet.另一个非常复杂的宇航服的部分是头盔I brought one along to show you. Can I have a volunteer come and demonstrate?我带了一个过来展示给你们。我能找个志愿者过来演示一下吗?