进阶大学英语第五单元课后练习答案.docx
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进阶大学英语第五单元课后练习答案.docx
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进阶大学英语第五单元课后练习答案
KeytoExercises
Opener
1.
Thespeakeristalkingaboutthecomingglobalwatercrisis/waterproblem.
2.
Wateristhekeycomponentinourdailylife,notonlyforhumanuse,butforenergy,
industry,agriculture,andlivestock.
3.
Ifyoulookattheearth,youwillnoticethatover75%ofourblueplanetiswater.Butthe
problemisonly3%ofthatwaterisfreshwater.
Transcript:
Today,accordingtoUNICEF,atleast2.6billionpeoplelackadequatesanitation,while1.1billionpeoplelivewithoutcleandrinkingwaterperiod.Wateristhekeycomponentinallofourdailylivesnomatterwherewelive,notonlyforhumanuse,butforenergy,industry,agriculture,and
livestock.Nowifyoulookattheearth,you’llnoticethatoverplanet75%ofisourwaterblue.
Theproblemisonly3%ofthatwaterisfreshwater.
Reading&Interacting
I.UnderstandingtheText
1.TextOrganization1.1
Paras.1-2:
Weneedtoconservewateraggressivelysothatscientistscanhavetimetofindsolutions.
Paras.3-7:
Waterisgoingtobethemostimportantandmostcontentiousresourceofthe21stcentury.
Paras.8-9:
Therearesolutions,buttheytaketime.
Para.10:
Aggressiveconservationisneededtobuyustimebeforescientistsfindsolutions.
1
1.2
1)Waterisonthewaytobecomingthemostimportantresourceofthe21stcentury.Gettingwaterrightisthegreatchallengetheworldisconfrontedwith.Tomeetthechallengeconservationshouldcomefirst;thenfollowitupwithnewsolutions.
2)Tointroducethewaterproblem,theauthortellsusaboutwhathappenedonenightwhenheandhisseven-year-olddaughterwerebrushingteethtogether.Insodoingtheauthortriestointroducethereadertoaserioustopicinacasualmanner.Besides,italsoremindsusofthefactthateveryonecanplayarole,eveninourdailylife,insavingwater.
3)HecitesthelateNobelLaureateRichardSmalley’slistofhumanity’stop10problemsforth
next50years.
4)Hewantstoshowthereaderhowdifficultitisforustofindasolutiontothewaterproblem.
5)Herepeatswhathesaysatthebeginningofthearticle:
Thewaterproblemcanbesolvedbut
“Thescientistsneedtime.”
2.ComprehensionCheck
2.1Focusingonthemainideas
Inhis2003speechatRiceUniversityEnergy&Nanotechnology’sConference,thelateNobel
LaureateRichardSmalleyhighlightedthetop10problemsforthenext50years.Inhis
list,energysitsatthetop,andwatercomesnext.Now,withthepriceofsolarpowergoingdown,
thedawnofanewenergyeraisjustaroundthecorner.Asaresult,waterisgoingtobethegreatestchallengeforhumanity.
Butthewaterproblemiscomplicated.First,unlikecoalandoil,watercannotbereplaced.
Second,waterisintertwinedwitheveryothersectorofsociety.Third,whilewaterdemandsare
growing,climatechangeisintensifyingdroughtsandfloodsandwatersuppliesarefluctuating.
Therearesolutions,suchasbuildingwater-transferaqueducts,hydroelectricdams,and
desalinationplants.Buttheymaybeincrediblyexpensive.Itwilltaketimeforscientiststofind
affordablesolutionstothewaterproblem.Beforethat,everyoneshoulddohisorherbit
toconservewater.
2.2Diggingintodetail
2
1)Hemeansthatwaterismostlikelytobecomeastrategicresourcelikeoilthatcouldtrigger
geopoliticalconflict.
2)Becausesolvingtheenergyandwaterproblemswillmaketheotherproblemseasiertodeal
with.Abundantenergyandwatersupplieswillincreasefoodproductionandimprovetheenvironment.Theywillalsoreducepovertyanddisease,andsoforth.
3)Itmostprobablymeansenergyproducedatalowcost.
4)Hemeansthateveryothersectorofsocietyneedswater.Peopleneedwaterintheirdailylife.
Energyproductionrequireswaterforcoolingpowerplants.Industryneedswaterforallsortsof
purposes.Agricultureneedswaterforirrigation.
5)Yes,hedid.Becausehesaidgettingfreshwaterfromsaltwateratacheappricewoulddwarfall
otherscientificaccomplishments.
2.3Understandingdifficultsentences
1)A
2)B
3)A
4)A
5)A
II.FocusingonLanguageinContext
1.KeyWords&Expressions1.1
1.Itwillbeaclosegame.Theoutcomeishardtopredict.
2.Travelersonatightbudgetwouldchoosetogotherebytraininsteadofbyplane.
3.Tomwasonthepointofleavingthegardenwhenheheardsomeonecry:
“Isn’titTom?
Ican
hardlybelievemyeyes.”
4.Innovationiswhatweneedwhenwedesignnewproducts.
5.Theproblemturnedouttobefarmorecomplicatedthanhehadforeseen.
3
6.Theworksinthisroomaremostlybylocalartists.Theyembodytheartists
’visionofapeaceful
andenvironment-friendlycivilization.
7.Water,though
abundantinBrazil,isextremelyunevenly
distributedamongitsregions.
8.Eventoday,myfirstEnglishteacher
’sencouragiringwordsinmyearsstill.
9.Henryhasmanyfriendsworkinginthegovernment.His
sourcesofinformationare
usuallyreliable.
10.Thesefiguresshowthatthedeath
rateofroadaccidentgetshigherasthespeedofthecar
increases.
11.Withwaterdemandgrowing,the
conflictbetweenthetwoneighboringvillagesoverwater
hasintensifiedovertheyears.
12.Yearsagotheprofessorsaidthattherewasnodoubtthatthepeopleinthiscitywould
be
confrontedwith
awatershortage,ifnotawatercrisis.Subsequenteventshaveprovedhis
predictionstobeexactlyright.
13.TheTVprogramhighlightstheaftermathoftheParisterroristattacks.
1.2
1)aroundthecorner
2)ThemoneyfromheruncleenabledJenny
3)dwarfsouroldhouse
4)ontrack
5)andsoforth
1.3
1.Webelievethatbuildingapowerfulnavyisintheinterestofournationaldefense.
2.Hethoughtthecoffeeatbreakfastwastoosweet.Itwasn’ttohisliking.
3.Thenewsystemissaidtoenableustousemuchlessoilthanbefore,inotherwords,
toincreaseenergyefficiencyconsiderably.
4.Speakingoftherealestatemarket,whenpeoplearelosingtheirjobs,itisalmostcertainthat
thehousepriceswillgodown.
4
5.AregionalconferenceontheconservationoffisheryresourceswillbeheldinSeoulnextweek.
2.ConfusableWords2.1
1.LaborDayintheUSfallsonthefirstMondayinSeptember.
2.Thespeakerseemedalittlenervousatfirst,butafterashortwhilebecamerelaxed.
3.YouwanttolearnmakingChinesedumplings?
Firstofall,letmeshowyouhowtomakedough.
4.Itwassunnybutcoolwhenwestarted.Sothejourneywasquitepleasantatfirst.Thenallofa
suddentherecameathunderstorm.
2.2
1.Canadaisacountryrichinnaturalresources.
2.Thetravelerswalkedupstreamuntiltheyreachedthesourceoftheriver.
3.Sofartherehasbeennoresponsefromofficialsources.
4.Withsuchlimitedresources,themanagerhasbeendoingremarkablywelltokeeptheorganizationgoing.
3.SentencePatterns3.1
1.Thefactthathehasfullyrecoveredfromhisbadaccidentshowsthatmedicinecanworkwonders.
2.Thereason(that)businessesaremovingtheirplantstodevelopingcountriesisthatlaborcostsintheirhomecountriesaretoohigh.
3.Ifwegoonignoringthefactthatourriversarerunningdryorbeingpolluted,theconsequenceswillnotbehardtopredict.
4.Thereason(that)foodpricesarerisingisthatlastyear’scropwasn’tgood.
3.2
1.Whetherthechickencamebeforetheegg,ortheeggbeforethechicken,isaquestionofhowlifebeganingeneral.
5
2.Isawheronthepointoftearswhenshegottheresultoftheexam.Idon’tknowwhether
shouldgotocomfortherorjustleaveheralone.
3.It’snotclearwhethershestillwantstogotothelakeorhaschangedhermind.
4.Manyyoungmarriedcouplesarewonderingwhethertheyshouldbuyorjustrentan
apartment.
4.ComprehensivePractice
1.A:
WhywilloilceasetobetheNo.1problemofourtime?
B:
Thedawnofanewenergyeraisjustaroundthecorner.Oilpricesaregoingdownbecause
solarpowerisbecomingcheaper.Besides,improvementsinenergyefficiency,whilehelpingto
createacleanenvironment,arereducingwasteandthedemandforoil.
2.A:
Whyisn’titeasytosolvethewaterproblem?
B:
Becausewaterisfarmorecomplicatedthanenergy.Nootherresourcecanreplacewater,so
itisimpossibletofindanalternativetoit.Besides,waterdemandisrising,butwatersupplyisfluctuatingasaresultofclimatechange.
3.A:
Whyisitimportantforustoconservewater?
B:
Waterisgoingtobethemostcontentiousresourceofthe21stcentury.Itwilltriggergeopoliticalconflicts.That’swhywaterconservationisnotonlyintheinterestofoureconomybutalsoataskofstrategicimportance.
Reading&Comprehending
Reading1
1.ComprehensionCheckforReading1
1)T
2)F
3)T
6
4)F
5)T
6)T
7)T
8)T
9)F
10)T
2.Translation
1.地球的水只有不到3%是淡水,并且大部分都被堵在雪地和冰川中,不容易获取。
2.⋯⋯但不幸的是,许多因素严重扰乱了淡水的流动和使用,使地球的许多地区出现大面积
的危机。
3.这意味着如果我们在保护水和明智用水方面无所作为,所有地区迟早都将遭遇水危机及随
之而来的影响。
4.绝不要以为你所处的社会先进,不至于会出现缺水问题。
Reading2
ComprehensionCheckforReading2
1.Pollutionandscarcity.
2.Thesourcesofpollutionincludemanufacturingemissions,poorlytreatedsewage,industrial
spillsandagriculturalrunoff.
3.Itmeansthatthewaterproblemdidnothappenovernight;insteaditresultedfromourage-old
practiceofpollutingwaterorwastingwaterinadditiontonaturalcontaminationandnaturaldisasters.
4.Asustainable,long-termsolution.
IntegratedSkillsPracticing
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