1、大学英语综合教程第一单元课后答案Key to ExercisesReading & InteractingI. Understanding the Text1. Text Organization1.1PartsParagraphsMain IdeasPart OneParas. 13Man is far from having control of the ocean. We know very little about it, and the discoveries we have made, though monumental, are but a drop in an ocean-si
2、zed bucket.Part TwoParas. 45The human-ocean connection is vital to us. Healthy oceans can help ease the burden of our rapidly increasing population on Earth.Part ThreeParas. 69It is very important to make observations of how the ocean works. However, owing to lack of funds, compared to space explora
3、tion, ocean exploration is lagging far behind, with the result that we know as yet little about the deep sea.Part FourParas. 1012True there are countless discoveries to be made and lots of work to be done, but it is worth our while to do so as we might find the key to our survival on Earth.1.21) Bot
4、h.2) Through a brief account of his participation in the exploration below the Sea of Japan.3) The author uses it to echo the keynote of the essay: When we explore the deep sea, we areexploring for our own survival.2. Comprehension Check2.1 Digging into detail1) It shows that there are creatures liv
5、ing in the sea which we thought were extinct.2) Because the scientists did it the hard way. They had to overcome monumental challenges withingenuity and the use of advanced technology before they finally made it.3) Because, among other things, the ocean helps ease the burden of our growing populatio
6、n on Earth.4) It refers to the fact that each creature that dies and sinks to the ocean floor becomes food forother creatures, thus creating an ecosystem of its own.5) Yes, there is similarity in how we use technology in exploring them. The methods, technologyand expertise are similar.2.2 Understand
7、ing difficult sentences1. A 2. B 3. A 4. A 5. AII. Focusing on Language in Context1. Key Words & Expressions1.11) Autumn has arrived here on the heels of a hot summer with unexpected speed.2) As a diplomat, he has witnessed the birth of the new nation and is well placed to observe itsgrowth during t
8、his critical period of its history.3) When you make travel plans, youd better assume that every flight can be late.4) “I have made it quite clear from the beginning that I want to be part of the team,” John said.5) When Alice first came to the country, she was shocked by the way of life there that w
9、as totallyalien to her and the hostile environment where local people looked at her with a suspicious eye.6) Andrew made an initial contribution. But there is as yet no firm commitment to further cashpayments.7) For the first time in decades, the leaders of the two nations shook hands and sat down t
10、o talk.8) “Do fish feed on each other?” “Yes. At least many of them do.”9) Our old classroom building, which was built a century ago, has become a sort of a local landmark.10) The dwarf sees farther than the giant when he stands on the latters shoulder.11) All these parts are supposed to fit togethe
11、r in this device.12) We visited the local markets and saw a wonderful array of fruit and vegetables.13) I am afraid this plan of yours does not fit into the companys overall marketing strategy.14) Astronauts have brought back specimens of rock from the moon.15) If one wants to explore the possibilit
12、ies of Europes political future, one needs to examine thedevelopment of European culture.16) A set of gears are installed to control the speed and direction of the vehicle.1.21) for the benefit of2) imperative3) in its entirety4) elusive5) dying of hunger6) expertise7) as yet8) completion1.31) The b
13、ookshelf was designed to fit into this corner of our bedroom.2) Tigers are most active at night and feed on animals such as deer and wild pigs.3) The new laws impact on police practice is hard to evaluate right now.4) No details of the companys financial condition were revealed at the recent shareho
14、lder meeting.5) Why dont we crack open a bottle of champagne to celebrate?6) Reform of this countrys medical system will follow on the heels of the new law.2.1) He says hes OK, but I feel sort/kind of worried about him.2) “Oh, I didnt know you are a writer!” “Yes, I am, sort/kind of.”3) In the brigh
15、t-red over-sized coat, she looked sort/kind of funny.4) From what my grandfather told me, my great grandfather had some sort/kind of education.5) Finally he felt he needed to make some sort/kind of a decision.6) Being Janes close friend, Barbara sort/kind of expected to be invited to her wedding.3.3
16、.11) Unlike his father, he lacks intelligence.2) Unlike most computer systems on the list, this one is not easy to install.3) Like most rivers in China, the Yellow River runs from west to east.4) Unlike his two brothers who showed an interest in politics in their early youth, Tom took aninterest in
17、music.3.21) Nancy felt that she needed to take a vacation before beginning the freshman year.2) The data in this report need to be corrected and updated.3) John thought she didnt need to call a doctor as he felt much better now.4. Comprehensive Practice4.1 ClozeWe have spent a great deal of time and
18、 money exploring space, but remain ignorant about vast areas of our own planet. For we still know little of the world beneath the surface of the seas. With so much to learn about life in the depths of the ocean it is surprising there is so little funding for deep sea exploration. It amounts to littl
19、e more than a drop in the bucket of what is needed if we are to make full use of this vital resource. Given our growing population the oceans may even hold the key to the survival of our species. It would be foolish to continue to overlook their importance.4.2 TranslationEvery year we spend huge amo
20、unts of money observing the change in our climate and the movement of the stars. True, this is necessary, but we have overlooked the influence of the oceans on our planet, and have done little to understand them. The oceans are vital to our survival. With countless species beneath their surface, the
21、y provide for us. They help ease the burden of our growing population on Earth. Besides, the oceans play an important role in climate control. Therefore, we must increase the amount of funding for ocean exploration.Reading & ComprehendingReading 11. Comprehension Check for Reading 1A. (11)B. (12)C.
22、(1)D. (4)E. (15)F. (2)G. (6)H. (14)2. Translation1) 英国皇家天文学家马丁里斯写道，“我认为，随着机器人研究和微型化的每一个进步，载人航天飞行实用性之辩会越来越单薄无力。”2) 然而，没有证据表明，如果我们优先其他研发项目，就不能达到同样的效果。3) 海洋生物据说有望提供治愈一系列疾病的办法。4) 如果海洋并不使你怦然心动，那么制造一种细菌，它能吃掉二氧化碳，不让世界过热，并且它还排出燃料，使我们开车开机器都不用油，你觉得怎样呢？Reading 2Comprehension Check for Reading 21. B 2. D 3. A 4
23、. B 5. AIntegrated Skills PracticingI. Viewing & Listening1) I gave a talk not so long ago at the World Bank and I showed this amazing image of Earth and I said, “There it is! The World Bank!” Thats where all the assets are! And weve been drawing them down much faster than the natural systems can re
24、plenish them. Tim Worth says the economy is a wholly-owned subsidiary of the environment. With every drop of water you drink, every breath you take, youre connected to the sea. No matter where on earth you live. Most of the oxygen in the atmosphere is generated by the sea. Over time, most of the pla
25、nets organic carbon has been absorbed and stored there, mostly by microbes. The ocean drives climate and weather, stabilizes temperature, shapes Earths chemistry. Water from the sea forms clouds that return to the land and the seas as rain, sleet and snow, and provides home for about 97% of life in
26、the world, maybe in the universe. No water, no life; no blue, no green.2) We can now go to the Arctic. Just ten years ago I stood on the ice at the North Pole. An ice-free Artic Ocean may happen in this century. Thats bad news for the polar bears. Thats bad news for us too. Excess carbon dioxide is
27、not only driving global warming, its also changing ocean chemistry, making the sea more acidic. Thats bad news for coral reefs and oxygen-producing plankton, also bad news for us. Were putting hundreds and millions of tons of plastic and other trash into the sea. Millions of tons of discarded fishin
28、g nets, gear that continues to kill. We are clogging the ocean, poisoning the planets circulatory system, and were taking out hundreds of millions of tons of wildlife, all carbon-based units.3) And so, I suppose you want to know what my wish is. I wish you would use all means at your disposal films,
29、 expeditions, the web, new submarines and campaign to ignite public support for a global network of marine protected areas hope spots large enough to save and restore the ocean, the blue heart of the planet. How much? Some say 10%, some say 30%. You decide: how much of your heart do you want to prot
30、ect? Whatever it is, a fraction of one percent is not enough. My wish is a big wish, but if we can make it happen, it can truly change the world, and help ensure the survival of what actually is as it turns out my favorite species; that would be us. For the children of today, for tomorrows child: as
31、 never again, now is the time.Transcript:Fifty years ago, when I began exploring the ocean, no one, not Jacques Perrin, not Jacques Cousteau or Rachael Carson, imagined that we could do anything to harm the ocean by what we put into it or what we took out of it. It seemed, at that time, to be a sea
32、of Eden. But now we know, and we are now facing paradise lost. I want to share with you my personal views of changes in the sea that affect all of us, and to consider why it matters that in 50 years, weve lost, actually, we have taken, weve eaten more than 90% of the big fish in the sea; why you should care that nearly half of the coral reefs have disappeared; why a mysterious deplet
