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大学英语第一册第三单元答案.ppt

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1、BOOK 1 - Unit 3 - - Listening Practice,Before you read Text A, we will tell you something about its author. Now listen to the recording. Write down your answers to the following questions according to what you have heard.,BOOK 1 - Unit 3 - - Listening Practice,1. Who is the passage about? Stephen Ha

2、wking.2. What questions interest him? Big questions about the start of the universe and the way it works.3. What makes his achievements so remarkable? The contrast between the strength of his mind and the weakness of his body.,Stephen Hawking.,Big questions about the start of the universe and the wa

3、y it works.,The contrast between the strength of his mind and the weakness of his body.,BOOK 1 - Unit 3 - Text A - Comprehension,1. One of you asks the first six questions and the other answers. Starting from question 7, change roles. When you have finished, the teacher may want to put some of the q

4、uestions to you for a check.,BOOK 1 - Unit 3 - Text A - Comprehension,1. What is the attitude of some people towards the changes brought about by science and technology? Theyd like to stop such changes and go back to what they see as a purer and simpler age.2. What was life like before science and t

5、echnology began to change our way of life? Life was nasty, brutish, and short.3. What would happen if all government money for research were cut off? The force of competition would still bring about advances in technology.,Theyd like to stop such changes and go back to what they see as a purer and s

6、impler age.,Life was nasty, brutish, and short.,The force of competition would still bring about advances in technology.,BOOK 1 - Unit 3 - Text A - Comprehension,4. Is it possible to prevent science and technology from further development? Why or why not? Its impossible to prevent science and techno

7、logy from further development. Because the force of competition will bring about technological advances, and one cannot stop inquiring minds from thinking about basic science.5. What does the author think we should do about science and technology? We should try to ensure that the changes they make a

8、re in the right direction.6. Why is it necessary for the public to have a basic understanding of,Its impossible to prevent science and technology from further development. Because the force of competition will bring about technological advances, and one cannot stop inquiring minds from thinking abou

9、t basic science.,We should try to ensure that the changes they make are in the right direction.,BOOK 1 - Unit 3 - Text A - Comprehension,science? The public having a basic understanding of science can make informed decisions and not leave them in the hands of experts. Now switch roles. 7. How does t

10、he public feel about science? It is in two minds about science. It has come to expect the steady increase in the standard of living that new developments in science and technology have brought to continue, but it also distrusts science because it doesnt understand it.8. What does the author think of

11、 equations as a way of expressing,The public having a basic understanding of science can make informed decisions and not leave them in the hands of experts.,It is in two minds about science. It has come to expect the steady increase in the standard of living that new developments in science and tech

12、nology have brought to continue, but it also distrusts science because it doesnt understand it.,BOOK 1 - Unit 3 - Text A - Comprehension,scientific ideas? They are a brief and accurate way of describing mathematical ideas, but they frighten most people.9. How is science taught in schools? It is ofte

13、n presented in a dry and uninteresting manner.10. What limited role can books and magazines play in popularizing scientific ideas? They can help put across new developments, but even the most successful popular book is read only by a small proportion of the population.,They are a brief and accurate

14、way of describing mathematical ideas, but they frighten most people.,It is often presented in a dry and uninteresting manner.,They can help put across new developments, but even the most successful popular book is read only by a small proportion of the population.,BOOK 1 - Unit 3 - Text A - Comprehe

15、nsion,11. What is the responsibility of TV science programme producers? To educate the public, not just entertain it.12. What does the author think of the future of human civilization? It will not destroy itself.,To educate the public, not just entertain it.,It will not destroy itself.,BOOK 1 - Unit

16、 3 - Text A - Comprehension,3. In answering the question he brings up in Part Two, the author emphasizes two points. They are:,BOOK 1 - Unit 3 - Text A - Comprehension,1)The importance of the teaching of science in schools.2)The role the mass media can play, especially what television can do.,The im

17、portance of the teaching of science in schools.,The role the mass media can play, especially what television can do.,BOOK 1 - Unit 3 - Language Focus - Vocabulary,1. Fill in the gaps with words or phrases given below. Change the form where necessary.,BOOK 1 - Unit 3 - Language Focus - Vocabulary,1)

18、Itll only be a brief visit because we recently havent much time.2) The job is great in terms of advancement but the starting salary is rather low.3) Wed better pay that electricity bill before they cut us off.4) As pace of life (生活节奏) quickens things tend to change fast in the city.5) Why dont we ge

19、t rid of these old chairs, since we dont use them anyway?,brief,in terms of,cut,off,tend,anyway,BOOK 1 - Unit 3 - Language Focus - Vocabulary,6) The earths atmosphere makes precise observation of distant stars difficult.7) The lawn was laid out in the form of the figure 8.8) I shouldnt always have t

20、o tell you what to do, use your own initiative.9) Words cannot convey how grateful we are for his timely help.10) It seems to me that the board of directors is in two minds over the opening of a branch office in South Africa.,precise,in the form of,initiative,convey,in two minds,BOOK 1 - Unit 3 - La

21、nguage Focus - Vocabulary,11) I find it difficult to grasp the concept of infinite space.12) Philip presented a complex argument that was completely beyond my grasp.,concept,grasp,BOOK 1 - Unit 3 - Language Focus - Vocabulary,2. Rewrite each sentence with the word or phrase in brackets, keeping the

22、same meaning. The first part has been written for you.,BOOK 1 - Unit 3 - Language Focus - Vocabulary,1) Since their team has won the match today, it will certainly have a place in the Cup Final. (ensure) Winning the match today has ensured their team a place in the Cup Final.2) Medical workers have

23、a duty to heal the wounded and rescue the dying. (responsibility) It is medical workers responsibility to heal the wounded and rescue the dying.3) The learner gets amusement as well as knowledge from these computer games. (entertain, educate) These computer games entertain as well as educate the lea

24、rner.,has ensured their team a place in the Cup Final,medical workers responsibility to heal the wounded and rescue the dying,entertain as well as educate the learner,BOOK 1 - Unit 3 - Language Focus - Vocabulary,4) Air and water are vital to all living things. (do without) No living thing can do wi

25、thout air and water.5) There is a strong possibility that the election will be held in June. (likely) The election is likely to be held in June.,can do without air and water,is likely to be held in June,BOOK 1 - Unit 3 - Language Focus - Vocabulary,3. Complete the following, using the words or phras

26、es in brackets. Make additions or changes where necessary.,BOOK 1 - Unit 3 - Language Focus - Vocabulary,1) The films appeal lies in not only the entertainment it provides to the audience but also the questions it raises about the possible contact between human beings and alien civilizations. (conta

27、ct, lie in) 2) The decision on the new project is made on the basis of scientific study. The project is likely to succeed despite the fact that we do not have sufficient funds at the moment. (at the moment, basis, sufficient, likely)3) True it is hard to make accurate predictions (预言), but the stead

28、y growth of the information industry ensures that this line of products will be highly profitable. (highly, steady, ensure),lies in,contact between,basis of,is likely,sufficient,at the moment,the steady,ensures,will be highly,BOOK 1 - Unit 3 - Language Focus - Word Formation,Study the formation of t

29、he following words in the box and make a guess at their meaning. Then choose a suitable word to complete the sentences, changing the form where necessary.,BOOK 1 - Unit 3 - Language Focus - Word Formation,1. Grandma regained her health after spending a month in the countryside.2. Mary is undecided a

30、bout whether to stay on in her present post or to find a new job.3. This mountainous region is undersupplied with trained doctors and nurses.4. Henry got injured in the car accident and was disabled for the rest of his life.5. They have been demanding the release of three of their colleagues,regaine

31、d,undecided,undersupplied,disabled,BOOK 1 - Unit 3 - Language Focus - Word Formation,from prison as a precondition for further negotiation.6. We have succeeded because we had the foresight to invest in new technology.7. I had difficulty understanding him because he mispronounced a lot of words.8. Th

32、e development of the oil industry will enrich the nation.,precondition,foresight,mispronounced,enrich,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,1. Complete the passage with words chosen from the Words and Phrases to Drill box. Change the form where necessary.,BOOK 1 - Unit 3 - Langu

33、age Focus - Comprehensive Exercises,Do we have the right attitude towards science? Hawking suggests that many people are highly (1) distrustful of it. This might change if the public were better informed. But how can we bring (2) this about (3)? It is evident (4) that schools are important, especial

34、ly if science is taught in an interesting manner. But science is changing at such a fast rate (5) that what we learn in school is no longer sufficient (6) to last a lifetime. What can we use to put across(7) news of the latest ideas and developments? Popular science books can help, but the proportio

35、n (8) of the population that read them is not very large. Hence (9) we need to rely on television, for only television can ensure (10) the message reaches a sufficiently large audience.,highly,bring,about,evident,rate,sufficient,put across,proportion,Hence,ensure,BOOK 1 - Unit 3 - Language Focus - C

36、omprehensive Exercises,2. Read the passage carefully until you have got its main idea, and then select one appropriate word for each gap from the box.,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,Science is interesting and exciting. Why? Science helps you understand (1) the world in wh

37、ich you live. For example, science explains how airplanes fly and how birds find their way when they travel (2) long distances. Besides, people use science to make discoveries that have practical (3) value. One of these discoveries is the use (4) of light to carry telephone messages through a glass

38、wire. Another (5) is the lengthening of human life through the use of heart pacemakers (心脏起搏器) and other mechanical devices (器械).In the future, there will likely (6) be an endless number of new discoveries. These discoveries will affect (7) your career and your daily life. Television, computers, and

39、 space shuttles (航天飞机) are part of todays world. Who can imagine what new, yet-to-be-discovered -developments (8) lie ahead? In the future, scientists may discover how,understand,travel,practical,use,Another,likely,affect,developments,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,to pre

40、dict earthquakes and how to produce an endless supply (9) of energy. Someday (10) you may live and work in a space station in orbit around the earth. Scientists will continue to make discoveries that will change the world in which you live.,supply,Someday,BOOK 1 - Unit 3 - Language Focus - Comprehen

41、sive Exercises,3. Translate the following sentences into English, using the words or phrases in brackets.,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,1) 正如科学家所预言的那样,全球污染成了人类面临的最严重的问题之一。(global) As is predicted by scientists, global pollution has become one of the most serious problems

42、 humans are faced with.2) 谋求这些职位的竞争很激烈今年的求职者(applicant)是去年的五倍。(competition) Competition for these jobs is very tough we have five times as many applicants this year as we did last year / there are five times as many applicants this year as there were last year.3) 正如事实表明的那样,教育大纲应当符合国家的经济发展计划。(fit int

43、o),As is predicted by scientists, global pollution has become one of the most serious problems humans are faced with.,Competition for these jobs is very tough we have five times as many applicants this year as we did last year / there are five times as many applicants this year as there were last ye

44、ar.,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,As the facts show, educational programs need to fit into the national plan for economic development.4) 这辆汽车太费油(burn too much gas),而且价钱几乎是我想付的两倍。(moreover) The car burns too much gas, and moreover, the price is almost twice as much as I i

45、ntend to pay.5) 要了解一起重大的国际事件,我们首先需要考虑其历史与政治背景。(background) To understand a great international event, we, first of all, need to consider the historical and political background to it.,As the facts show, educational programs need to fit into the national plan for economic development.,The car burns t

46、oo much gas, and moreover, the price is almost twice as much as I intend to pay.,To understand a great international event, we, first of all, need to consider the historical and political background to it.,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,4. Translate the following passage

47、into English, using the words and phrases given below.,BOOK 1 - Unit 3 - Language Focus - Comprehensive Exercises,很难想象我们的先辈们(forefathers)没有现代技术带来的这么多方便(conveniences),那日子是怎么过的。那个时候只有一小部分人享受一些舒适条件(comforts)。大部分人连饭都吃不饱,更不要说(not to speak of)接受教育的特权了。然而,许多人责怪现代技术,说它带来了很多问题。他们想减慢进步的速度。但是谁也不能阻止时代的前进。,BOOK

48、1 - Unit 3 - Language Focus - Comprehensive Exercises, It is hard to imagine how our forefathers could do without so many conveniences that modern technology has brought about. Back then only a small proportion of the population enjoyed the comforts of life. The majority didnt even have sufficient food, not to speak of / let alone the privilege of being educated. However, many people blame modern technology for creating so many problems. They want to slow down the rate of progress. But no one can put the clock back.,

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