综合教程4 Unit2课后练习答案.doc

Unit Two Man and TechnologyEnhance Your Language AwarenessWords in Action▆ Working with Words and Expressions1. In the box below are some of the words you have learned in this unit. Complete the following sentences with them. Change the form where necessary. ▆ Answers: 1) productivity2) phenomenon3) isolation4) gradual5) opponent6) advent7) genetic8) universal9) extreme10) nasty11) boom12) formal13) survey14) Similarly15) modify16) rough2. In the box below are some of the expressions you have learned in this unit. Do you understand their meanings? Do you know how to use them in the proper context? Now check for yourself by doing the blank-filling exercise. Change the form where necessary.▆ Answers: 1) at the same time2) are stuck with3) for certain4) make no difference5) on average6) when it comes to7) are better off8) built into9) come to mind10) close to11) in favor of▆ Increasing Your Word Power1. You will read six pairs of words which are similar in meaning but are different in usage. Reflect on the differences in usage between the words in each group and fill in each blank with a proper one. Change the form if necessary. ▆ Answers: 1) exterior2) external3) delightful4) pleasant5) separate6) isolate7) company8) companion9) acquire10) learn11) ripe12) mature2. Fill in each blank with one of the words listed below in the appropriate form, paying special attention to the meaning and spelling.▆ Answers: 1) accept2) oppression3) loss4) excerpts5) depression6) loose7) except8) expectations9) lose10) suppress3. Words that come from the same root may be said to belong to the same family. Getting acquainted with each member of the family is a sure way to increase your word power. Now complete the following table with words of the same family. You may consult a dictionary if necessary.▆ Answers:1) technology2) eternity3) miracle4) relevance5) analysis6) luxurious7) leisurely / leisured8) subjective9) prosperous10) innovativeGRAMMAR IN CONTEXTTask 1: Complete the following sentences with appropriate connectives listed in the following table.▆ Answers: 1) Whatever2) Although / Though3) whereas4) However5) though / although6) Granted / Granting that7) as8) WhileTask 2: Translate the following sentences into English.▆ Answers for reference: 1) Though it was raining hard, yet they went on playing football.2) You will have to attend the commencement whether you are free or busy.3) She leaves her bedroom windows open, however cold it is.4) We will make a trip even if / though the weather is bad.5) No matter who / Whoever you are, you must abide by the law.6) Difficult as the job was, they decided to accept it.7) No matter what I say or how I say it, he always thinks I’m wrong.8) She seems to have a ready answer, whenever / no matter when I ask her a question.ClozeComplete the following passage with words chosen from this unit. The initial letter of each is given.▆ Answers:1) emphasize2) opposite3) improved4) luxuries5) benefited6) obviously7) consciously8) fractures9) eternal10) groundbreaking11) entitled12) correlation13) depends14) exclusivelyTranslation 1. Translate the following sentences into English, using the words and expressions given in brackets.▆ Answers for reference:1) He really knows a lot about theory, but when it comes to actual work, he seems to be quite ignorant.2) The latest survey shows /showed that the majority of the citizens support / supported the government’s plan to build a new library.3) The two countries could reach agreement successfully on scientific and technological cooperation because several factors favorable to their cooperation had been at work.4) I saw the film when I was in the primary school, but the title just won’t come to mind for the moment.5) He has been stuck with heavy debt though he works about twelve hours every day on average.6) Is it necessary to know his height? To me, it is not relevant to whether he can be a good lawyer or not.7) The cupboard is built into the wall so that it both saves space and is convenient to use.8) These workers earn more than we do, but the other side of the coin is that their job is more dangerous.9) Helen majors in economics at the university and at the same time she studies philosophy as her second major.10) What is most important is that you must find out and solve the problems by yourselves. It makes no difference whether I go there or not.2. Translate the following passage into English.▆ Answers for reference:Nowadays, many people are enjoying the benefits brought about by material and technological advances unimaginable in previous eras. With the development of science and technology, people’s standard of living is getting higher and 。