李观仪《新编英语教程》(第3版)(练习答案 Unit 3)【圣才出品】

圣才电子书www.100xuexi.com十万种考研考证电子书、题库视频学习平台五、练习答案LanguageStructuresSamples:1.Hisphonemighthavegoneoutoforder./Thereceivermighthavebeenoffthehook./Imighthavehadthewrongnumber.2.Heshouldn’thaveputthemilkontheshelf.3.Hecouldhaveforgottenourappointment.4.Theymusthavequarreledwitheachother.5.Shemighthaveusedawrongrecipe.6.Wemighthavegotthewrongtypeofpetrol/gasolineatourlaststop.7.Someoneinhisfamilymusthavedied.8.Well,theycouldhavemissedthebus/theymighthaveforgottenthedate.Whoknows?DialogueCai:Youknow,thefactoryoverthereproducesvariouskindsofpaint.Theresidentsnearthefactoryoftencomplainaboutthestrangesmellyairanddirtywatertheyseeoutsideitswalls.Deng:Yes.Nowondertheyarenotsatisfiedwiththeirenvironment,lotsofchemicalprocessesareinvolved.Cai:Andlotsofpoisonousgasesandliquidsareleakingintotheairandsewage1/13圣才电子书www.100xuexi.com十万种考研考证电子书、题库视频学习平台everyminuteoftheday.Deng:It’shorrible,isn’tit?Cai:Ofcourse,itis.Ithinktheplantshouldbecloseddown.Deng:Oh,no!Itproducesalotofsuperiorpaint.Cai:Sowhat?Deng:Thenwedon’thavetoimportitfromabroad.Cai:But,howaboutourenvironment?Dowehavetobreatheinpoisonousairdayandnight?Deng:Wecanaskthemtotakemeasurestokeepthepoisonousmatterfromescapingintotheairandsewage.Butitsoundsimpractical.Cai:Idon’tseehowthiscanbedone.Oh,yes,wecanwritealettertotheauthoritiesconcernedandsuggestthatpollutioncontroldevicesortreatmentdevicesbeequipped.Deng:Butitiseasiersaidthandone.Doyoureallybelievethefactorywilldoawaywithitspollutionproblem?Cai:Sure.Preventionisbetterthancure.StrictlawshavebeenmadeinChinatocontrolpollution.SoIdon’tseeanyreasonthefactorywouldgoagainstthelawsandotherrestrictions.Deng:Well,Ihopeourletterwillhelp.ReadingI1.C2/13圣才电子书www.100xuexi.com十万种考研考证电子书、题库视频学习平台2.B3.A4.D5.BReadingIISeenfromthedepthsofspace,earthisabeautifulblueandwhiteislandfloatinggracefullyinthesky.Buttoday,thatlife-givingenvironmentisunderseriousattackbypeoplethemselves.Unliketheirancestorswhopreyedforfood,peoplehavedeliberatelyexterminatedwildspeciesinthelasttwohundredyears.Similarly,peoplearerecklesslyconsumingvitalresourcesatafasterandfasterrate,forgettingthattheseresourcesarenotreplaceable.Theairaboutpeopleisalsobeingexhaustedduetotheairconsumptionofenginesandpeople’sdestructionofgreenvegetationwhichconsequentlycutdownonthesupplyofoxygen.What’sworse,theproductsturnedoutbythemachineseventuallybecomethewasteslefttonature.Althoughpeopleconsiderthemselvessuperiortotheirancestorsinscienceandmanyotherfields,modernpeoplelookmoreliketheslavesoftheenvironmentbecausetheyhaveendangeredtheearthandsufferedtheconsequencesoftheirowndoings.GuidedWritingA.ReferenceVersion3/13圣才电子书www.100xuexi.com十万种考研考证电子书、题库视频学习平台Speakingofintelligenceinanimals,Ihavesomethingtosayinthisrespect.Yousee,thoughIamnotascientistorzoologist,Ihavehadsomeexperienceswithcats,canariesandgoldfish.Generallyspeaking,peopleknowsomethingabouttheintelligenceofcatsanddogs.Butdoesanybodyknowanythingabouttheintelligenceofgoldfish?I’mhappytosaythatIdo.Threeyearsago,Iwasgivenabroodofbabygoldfish.And,inconformitywithDarwin’stheoryof“survivalofthefittest”,intheend,onlysevenwereleft.Oftheseven,onewiththe“tigerhead”isthebiggest,threetimesasbigastheothersix.Further,toeveryone’ssurprise,itisindeedverysociable.Whoeverapproachesthetank,itwillrushtowardsthatsideofthetankandlingerthere,flutteringitslacyfinsandwaggingitslongtrainofatail.Everyoneconcedesthatitistheonlyintelligentfishonehaseverseen.Well,ifyoudon’tbelieveit,cometomyhouseandseeitforyourself.B.ReferenceVersionComprehensiveExercises4/13圣才电子书www.100xuexi.com十万种考研考证电子书、题库视频学习平台I.Spelling1.swarm2.torment3.disturbance4.litter5.vehicle6.complicated7.enforce8.environmental9.marine10.pesticide11.ruin12.automobile13.fertilizer14.industrial15.reduceII.DictationA.Thepriceofgasolineshouldhavebeensetattendollarsagallonin1918whenHenryFordintroducedtheModelT.Considerwhatwouldhavehappened.Ifthepriceofgashadbeentooexpensivefortheaverageperson,thentherewould5/13