Key to Exercises(Unit One-Unit Eight)Unit One Science and the Scientific AttitudeII. Work on VocabularyA. Fill in the blanks with words or phrases chosen from the following list. Change the formB．Choose the best words or phrases to replace the underlined parts in the following sentences. 1-5 B B D B C 6-10 A D B C AC．Choose the best word or phrase to complete each of the following sentences.1-5 C B C C A 6-10 B B A D C 11-15 B B D B AIII. Vocabulary ExtensionTest Yourself1-5 B D A B A 6-10 D C B D CIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1. All sorts of theories were put forward to account for his apparent affluence.2. The ineffective law generally puts a premium on business dishonesty.3. They have agreed to the proposal in principle but we still have to negotiate the terms.4. In practice, most planes either are delayed or arrive slightly ahead of schedule.5. All inbound and outbound articles shall be accurately declared with the Customs by the owner, and be subjected to Customs examination.6. If you don’t he ar something to the contrary, I’ll meet you at 7:00 o’clock outside the cinema.7. In the prosecution of his duties he had met with a good deal of resistance.8. What does ignorance have to do with greed and fear?Part B SUPPLEMENTARY READINGExercise B.Go over the passage again and make the True or False statements.1-5 (F)；(F)；(T)；(F)；(T)Exercise CFill in the blanks with suitable words.1. sources;2. approach;3. involves;4. general;5. own;6. online;7. related;8. local;9. residents;10. banUnit Two Research Reports for Business and Technical WritingII. Work on VocabularyA.Fill in the blanks with words or phrases chosen from the following list. Change the form1-5 A D D B C 6-10 A D B A CC．Choose the best word or phrase to complete each of the following sentences。

1-5 B A A C D 6-10 D A A D B 11-15 B C C A DIII.Vocabulary ExtensionTest Yourself1-5 D D A A C 6-10 B B D D CIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1. After a few days on the job, you’ll catch on to what you’re doing.2. I thought the poor man would break down into tears at last, as he was so put about.3. Each policy alternative is evaluated in light of a variety of priority development objectives.4. The subject of regulating the cyberspace meanwhile was still under consideration among the public.5. If you have no objection, I’d like to duplicate a copy of the data that are relevant to our experiment.6. We can’t take on any more work. We’re fully stretched (i.e. working to the utmost of our powers) at the moment.7. Do a draft of the article and I’ll check it before you write up the final copy.8. Stop arguing about (questions of) procedure and let’s get down to business.Exercise BChoose the best answer for each of the following questions.1-5 C B D C AExercise CFill in the blanks with suitable words.1. assigned;2. anxiety;3. result;4. unfamiliar;5. account;6. experiences;7. more;8. practice;9. willingness; 10. importantUnit Three EngineeringII. Work on VocabularyA．Fill in the blanks with words or phrases chosen from the following list. Change the form. 1-5 C D B A B 6-10 C B A C DC．Choose the best word or phrase to complete each of the following sentences.1-5 D A D B B 6-10 D D B B A 11-15 A C D D BIII. Vocabulary ExtensionTest Yourself1-5 D A D A B 6-10 B C B A BIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1.They claim it is the first successful experiment on a pigeon worldwide and hope that thetechnology can be put to practical use in the future.2.Man had achieved a remarkable understanding of a wide variety of natural phenomena.3.The consequences for developing countries would range from awkward to grim.4.Joan mustn’t be involved in any funny business, mustn’t even know that there was any funnybusiness.5.The pharmaceutical industry cannot, should not, and indeed does not purport to be responsiblefor the education of physicians in the use of drugs.6.If you want to move up into the big time, you’ve got to create a character of your own.7.To work with others, act as if they are right and you are wrong. To increase knowledge, becurious about everything.8.In this position, I was able to meet deadlines without sacrificing quality and was praised bymy manager as “an asset to the department” and “truly professional”.Exercise BGo over the passage again and make the True or False statements.1.( F)；(T)；(T)；( F)；( F)Exercise CFill in the blanks with suitable words.1. occupations;2. technical;3. consists;4. contributed;5. proportion;6. coined;7. confined;8. literature;9. acquainted; 10. commonplaceUnit Four What Is “Mechatronics”?II. Work on VocabularyA．Fill in the blanks with words or phrases chosen from the following list. Change the form1-5 B D A C D 6-10 A C B D CC.Choose the best word or phrase to complete each of the following sentences.1-5 A B D D D 6-10 A D B B A 11-15 D B C A AIII. Vocabulary ExtensionTest Yourself1-5 B A A C B 6-10 A A B B AIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1. There is in reality a gap between the ideal and the actual.2. Our era produces a host of heroes and heroines.3. His prime goal was to suppress all media opposed to the government.4. Their freedom is inextricably bound to our freedom. We cannot walk alone.5. He carried his hands in his pockets, and there was something in the way he did it that showed the habit was inveterate.6. He cast about in his mind for some plausible excuse for not turning up at the meeting.7. Literally, he lived only to aspire after what was good and great, certainly.8. Science means systematic knowledge possessed as a result of practice and study.Part B SUPPLEMENTARY READINGExercise BGo over the passage again and make the True or False statements.1-5 (F)；(F)；(T)；(T)；(T)Exercise CFill in the blanks with suitable words.1. nothing;2. to;3. first;4. denote;5. acceptance;6. prominent;7. somewhat;8. continually;9. which; 10. successUnit Five WillpowerII. Work on VocabularyA. Fill in the blanks with words or phrases chosen from the following list. Change the form where necessary.B. Choose the best words or phrases to replace the underlined parts in the following sentences. 1-5 C D D D A 6-10 C B A B DC. Choose the best word or phrase to complete each of the following sentences.1-5 B B A B D 6-10 B C B B D 11-15 D A C A DIII. Vocabulary ExtensionTest Yourself1-5 B D C A A 6-10 B D C C AIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1. Politicians should not engage in business affairs that might affect their political judgment.2. Indeed, always to focus on alcohol in the content of alcoholism is, I think, to miss the point.3. PepsiCo believes that as a corporate citizen, it has a responsibility to contribute to the quality of life in our communities. This philosophy is put into action through support of social agencies, projects and programs.4. He accepts the need for government intervention to deal with externality.5. Our ancestors have to cope with cold, hunger as well as attack from wild animal.6. Now when I look back on my father, I only remember a man of great vigor and boundless energy.7. Moreover, computer internet is rapidly developing, and the world information superhighway is already beginning to take shape.8. The eyes of even the most modest women light up the moment hope is born.Part B SUPPLEMENTARY READINGExercise BGo over the passage again and make the True or False statements.1-5 (F)；(F)；(F)；(T)；(T)Exercise CFill in the blanks with suitable words.1. strength;2. where;3. another;4. stick;5. take;6. recalls;7. positive;8. well;9. due; 10. responsibleUnit Six Synergy of East and West for Greater CreativityII. Work on VocabularyA.Fill in the blanks with words or phrases chosen from the following list. Change the formwhere necessary.B.Choose the best words or phrases to replace the underlined parts in the following sentences.1-5 B A A D C 6-10 A C B B DC.Choose the best word or phrase to complete each of the following sentences.1-5 C A C B C 6-10 C D C B A 11-15 A C B B DIII. Vocabulary ExtensionTest Yourself1-5 C C C B D 6-10 C A C A CIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1．All Party cadres should be concerned about the country and the people before anything else; they should be the first to bear hardships and the last to enjoy themselves.2. His feelings drag him forward and his mind, full of what others say about him, tells him to go back.3. The criminals tried to shake off the police but failed and were caught.4. Through helping others, members reinforce their own sobriety and build up self-esteem.5. Illness comes by the pound, and goes away by the ounce.6. Intelligent guessing saves time but even wrong guesses illuminate the problem.7. If the risks are properly understood and if preparation is meticulous, there are also opportunities.8. Scientists always check statements and make experiments carefully and objectively to verify them.Exercise BGo over the passage again and make the True or False statements.1-5 (T)；(F)；(F)；(F)；(T)Exercise CFill in the blanks with suitable words.1. affect;2. how;3. culture;4. surroundings;5. rather;6. more;7. detail;8. led;9. perform; 10. awareUnit Seven Global Climate ChangeII. Work on VocabularyA.Fill in the blanks with words or phrases chosen from the following list. Change the formwhere necessary.B. Choose the best words or phrases to replace the underlined parts in the following sentences. 1-5 C A C D D 6-10 B A C B AC. Choose the best word or phrase to complete each of the following sentences.1-5 A C C A B 6-10 D D C C D 11-15 B A D A CIII. Vocabulary ExtensionTest Yourself1-5 B D C B C 6-10 C A C B AIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1.In calculating profit, retailers must allow for breakage and spoilage.2.The peoples of Asia found their opportunity in the war to throw off the shackles ofcolonialism.3.She has told them nothing that could shed light on her husband’s whereabouts.issez-faire policy results in increase in economic activity, but contributes to a rise in import.5.Insuperable difficulties, as it seems to me, prevent from coming to any just conclusion on thisproblem.6.Do be careful with those fireworks; the slightest spark could set them off.7.Fleischer said that in the American war against terrorism, President Bush had realized that“the White House needs to play a role in the global communication”.8.Many U.S. industries operate overtime during part of the year, and then shut down for severalmonths to save operating expenses.Exercise BGo over the passage again and make the True or False statements.1-5(F)；(T)；(T)；(F)；(T)Exercise CFill in the blanks with suitable words.1. challenge;2. to;3. emissions;4. therefore;5. enhance;6. other;7. by;8. in;9. consisting / composed; 10. howUnit Eight The Tech Revolution Has Just BegunII. Work on VocabularyA. Fill in the blanks with words or phrases chosen from the following list. Change the formB. Choose the best words or phrases to replace the underlined parts in the following sentences. 1-5 A D A C B 6-10 C D A C DC．Choose the best word or phrase to complete each of the following sentences.1-5 B C B C D 6-10 B A C A A 11-15 D B B A AIII. Vocabulary ExtensionTest Yourself1-5 B D D B C 6-10 C D D C AIV. TranslationTranslate the following sentences into English, using as many of the words and phrases you have learned from the text as possible.1. Without a doubt, technology has greatly transformed the way people live and work and how we interact with each other.2. Information and communications will be accessible wherever we go. The advances of technology will have a tremendous impact on our daily life.3. Tom’s portable hard drive is lost, and the information it contains, which hasn’t been replicat ed elsewhere, is lost with it.4. Information Age means that the information you need can be instantly accessible to you via the Internet, and you’ll be able to call up any do cuments or media files that you’ve created or saved, using any device that is at hand.5. The investments of Microsoft have paid off. We can use gestures, voice, touch, and objects to manipulate information on computers6. The transformation of screens is picking up speed. They become cheaper, lighter, more portable, and more pervasive.7. As we make computer technology more pervasive, we will be able to extend the social and economic opportunities that come with better access to education, information, health care, and global marketplaces.8. The biggest change during the next ten years is the expansion of the digital revolution to those not yet participating in the knowledge economy.Exercise BChoose the best answer for each of the following questions.1-5 D B C B CExercise CFill in the blanks with suitable words.1. exchange;2. convert;3. online;4. worth;5. campaign;6. button;7. make;8. figure;9. most; 10. lower。