综合教程Unit课后练习答案

1、Unit OneMan and NatureEnhance Your Language AwarenessWords in ActionWorking with Words and Expressions1.Intheboxes belowaresome ofthewords youhave learnedinthisunit.Completethefollowingsentenceswiththewordsgiven.Change theformwhere necessary. Answers:1) spark2) compelled3) bare4) scrape5) destructio

2、n6) output7) retreat8) tipped9) miracle10) eternal11) pile12) transfer13) mass14) thereby15) have emerged16) trigger17) threaten18) consumed19) hollow2.In the boxes below are some of the expressions you have learned in this unit. Complete the sentences with them. Change the form where necessary.Answ

3、ers:show signs ofcope withlives in fear oftough it outcut downfrom head to footsearched outnothing short ofAs yetsettle intake heartIncreasing Your Word Power1.You willreadsixpairsofwordswhicharesimilarinmeaningbutaredifferentinusage.Reflecton thedifferencesinusage between thewordsin each group and

4、fill in each blank with a proper one. Change the form ifnecessary.Answers:1) temptation2) attraction3) chance4) opportunity5) states6) country7) warned8) threatened / threatens9) refuse10) reject11) total12) gross2.Ablendisa wordproducedbycombiningpartsofotherwords,suchas“comsat” from“ communication

5、s ” and“ satellite”. Try to find out whatwords the following blends are formed from. You may consult a dictionary if necessary.Answers:BlendFormationMeaningsmogsmoke + fog烟雾blogweb + log博客brunchbreakfast + lunch早午餐 （早餐和午餐合为一餐）autocideautomobile + suicide撞车自杀chunnelchannel + tunnel海峡隧道motelmotor + ho

6、tel汽车旅馆netizennet + citizen网民sci-fiscience + fiction科幻小说workaholicwork + alcoholic工作狂wi-fiwireless + fidelity无线网络3.Fill in the blanks in Column B with an adjective in Text A. The target adjective must be opposite in meaning to the one in Column A and must forma correct collocation with the noun in C

7、olumn C.Answers:1) individual2) contradictory3) destructive4) rationalprimitivesyntheticdistantpessimisticirreplaceableenormousGrammar in Context1.Study the following sentences from Text B and point out the grammatical function of each of the present participles used as an adverbial.Answers:an adver

8、bial of accompanying circumstancesan adverbial of accompanying circumstancesan adverbial of resultan adverbial of resultan adverbial of manner; accompanying circumstancesan adverbial of resultan adverbial of time2.Complete the followingsentences by translatingthe Chinese in thebrackets into English,

9、 usinga present participle as an adverbial.Answers:killing thousands upon thousands of peopleraising the average yield by 15 percenttrying to deduce its operating principleSeeing that everyone was bending over his / her bookNot having heard from his parents for a long timeleaving the project unfinis

10、hedTurning to the rightNot wanting to make the patient nervousClozeCompletethefollowingpassagewithwordschosenfromthisunit.Theinitial letter of each is given. Answers:(1) realm(2) elemental(3) obtain(4) stubbornly(5) transferred(6) transformed(7) subdued(8) expansion(9) irreplaceable(10) extinct(11)

11、dynamic(12) verge(13) moderate(14) ecological(15) rationalTranslation1.TranslatethefollowingsentencesintoEnglish,usingthewordsandexpressions given in brackets.Answers for Reference:The village is so close to the border that the villagers lived in constant fear of attacks from the enemy.In only twent

12、y years the country was transformed into an advanced industrial power.3)Seeingtheprojectsuccessfullycompleted,thosewho had investedso muchtime and energy in it felt very proud.Given the current financial situation, it is inevitable that the US dollar will be further devalued.There are so many vehicl

13、es nowadays that the roads in this area are barely adequate to cope with the present traffic.The weather showed no signs of getting better so the government called upon us to get prepared for floods.Alice had been confined to bed for over 10 years after the traffic accident,and so her recovery seeme

14、d nothing short of a miracle.The students were all very much concerned about the World Cup, spending at least two hours every day watching the live matches on TV.Thomas said that his family had settled in Florida more than half a century ago.Ask for help. Don t tough it out yourself. I learned this

15、lesson early in my life.2. Translate the following passage into English.Answers for reference:Human beingslive intherealmofnature.They are not onlydwellersinnature, but alsotransformersof it.Withthedevelopmentofsocietyanditseconomy, people tend to becomelessdependentonnaturedirectly,butindirectly th

16、eir dependence grows.Human beings are connected with nature by“blood ” ties. No one can liveoutsidenature.However,thepreviousdynamicbalancebetweenman andnaturehas shown signsofbreakingdown. Problems such as the populationexplosion,ecologicalimbalanceandtheshortageofnaturalresourceshavebecome majorfa

17、ctors keeping human society from being further developed.Professor Spirkin holds that the only choice for human beings is the wiseorganization of production and care for Mother Nature.Theme-Related Writing Write an essay of no less than 150 words on the topic“My Understanding ofEnvironmentalProtecti

18、on” . Your writing should cover the following points:the relationship between man and the environmentthe urgency of environmental protectionways to protect the environmentSample essayMy Understanding of Environmental ProtectionMan and the environment are closely related. Man relies on the environmen

19、tforwater,foodand shelter.A harmoniousrelationshipbetween man andtheenvironment is essential for human survival on the earth.However, man and the environment have never been on such bad terms as theyarenow.As societydevelops,manstransformationofnaturehasseverelypollutedhislivingenvironment.Deforestationleadstochangesinra