进阶大学英语第五单元课后练习答案文档格式.docx
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进阶大学英语第五单元课后练习答案文档格式.docx
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Therearesolutions,buttheytaketime.
Para.10:
Aggressiveconservationisneededtobuyustimebeforescientistsfindsolutions.
1.2
1)Waterisonthewaytobecomingthemostimportantresourceofthe21stcentury.Gettingwaterrightisthegreatchallengetheworldisconfrontedwith.Tomeetthechallengeconservationshouldcomefirst;
thenfollowitupwithnewsolutions.
2)Tointroducethewaterproblem,theauthortellsusaboutwhathappenedonenightwhenheandhisseven-year-olddaughterwerebrushingteethtogether.Insodoingtheauthortriestointroducethereadertoaserioustopicinacasualmanner.Besides,italsoremindsusofthefactthateveryonecanplayarole,eveninourdailylife,insavingwater.
3)HecitesthelateNobelLaureateRichardSmalley’slistofhumanity’stop10problemsforthenext50years.
4)Hewantstoshowthereaderhowdifficultitisforustofindasolutiontothewaterproblem.
5)Herepeatswhathesaysatthebeginningofthearticle:
Thewaterproblemcanbesolvedbut“Thescientistsneedtime.”
2.ComprehensionCheck
2.1Focusingonthemainideas
Inhis2003speechatRiceUniversity’sEnergy&
NanotechnologyConference,thelateNobelLaureateRichardSmalleyhighlightedthe
top
10problemsforthenext50years.Inhislist,
energy
sitsatthetop,andwatercomesnext.Now,withthepriceofsolarpowergoingdown,thedawnofanewenergy
era
isjustaroundthecorner.Asaresult,
water
isgoingtobethegreatestchallengeforhumanity.
Butthewaterproblemis
complicated.First,unlikecoalandoil,watercannotbe
replaced.Second,wateris
intertwined
witheveryothersectorofsociety.Third,whilewaterdemandsaregrowing,climatechangeisintensifyingdroughtsandfloodsandwatersuppliesare
fluctuating.
Therearesolutions,suchasbuildingwater-transferaqueducts,hydroelectricdams,anddesalinationplants.Buttheymaybeincredibly
expensive.Itwill
taketime
forscientiststofindaffordablesolutionstothewaterproblem.Beforethat,everyoneshoulddohisorherbitto
conserve
water.
2.2Diggingintodetail
1)Hemeansthatwaterismostlikelytobecomeastrategicresourcelikeoilthatcouldtriggergeopoliticalconflict.
2)Becausesolvingtheenergyandwaterproblemswillmaketheotherproblemseasiertodealwith.Abundantenergyandwatersupplieswillincreasefoodproductionandimprovetheenvironment.Theywillalsoreducepovertyanddisease,andsoforth.
3)Itmostprobablymeansenergyproducedatalowcost.
4)Hemeansthateveryothersectorofsocietyneedswater.Peopleneedwaterintheirdailylife.Energyproductionrequireswaterforcoolingpowerplants.Industryneedswaterforallsortsofpurposes.Agricultureneedswaterforirrigation.
5)Yes,hedid.Becausehesaidgettingfreshwaterfromsaltwateratacheappricewoulddwarfallotherscientificaccomplishments.
2.3Understandingdifficultsentences
∙1)A
∙2)B
∙3)A
∙4)A
∙5)A
II.FocusingonLanguageinContext
1.KeyWords&
Expressions
1.Itwillbeaclosegame.The
outcome
ishardtopredict.
2.Travelersonatight
budget
wouldchoosetogotherebytraininsteadofbyplane.
3.Tomwas
onthepointof
leavingthegardenwhenheheardsomeonecry:
“Isn’titTom?
Icanhardlybelievemyeyes.”
4.Innovation
iswhatweneedwhenwedesignnewproducts.
5.Theproblemturnedouttobefarmore
complicated
thanhehad
foreseen.
6.Theworksinthisroomare
mostly
bylocalartists.Theyembodytheartists’visionofapeacefulandenvironment-friendly
civilization.
7.Water,though
abundant
inBrazil,isextremelyunevenly
distributed
amongitsregions.
8.Eventoday,myfirstEnglishteacher’sencouragingwordsstill
ringinmyears.
9.Henryhasmanyfriendsworkinginthegovernment.His
sources
ofinformationareusually
reliable.
10.Thesefiguresshowthatthedeath
rate
ofroadaccidentgetshigherasthespeedofthecarincreases.
11.Withwaterdemandgrowing,the
conflict
betweenthetwoneighboringvillagesoverwaterhas
intensified
overtheyears.
12.Yearsagotheprofessorsaidthattherewasnodoubtthatthepeopleinthiscitywould
beconfrontedwith
awatershortage,ifnotawatercrisis.
Subsequent
eventshaveprovedhispredictionstobeexactlyright.
13.TheTVprogram
highlights
theaftermathoftheParisterroristattacks.
∙1)aroundthecorner
∙2)ThemoneyfromheruncleenabledJenny
∙3)dwarfsouroldhouse
∙4)ontrack
∙5)andsoforth
1.3
1.Webelievethatbuildingapowerfulnavy
isintheinterestofour
nationaldefense.
2.Hethoughtthecoffeeatbreakfastwastoosweet.It
wasn’ttohisliking.
3.Thenewsystemissaidtoenableustousemuchlessoilthanbefore,inotherwords,to
increaseenergyefficiency
considerably.
4.Speakingoftherealestatemarket,whenpeoplearelosingtheirjobs,itisalmostcertainthatthehouseprices
willgodown.
5.Aregionalconferenceon
theconservationof
fisheryresourceswillbeheldinSeoulnextweek.
2.ConfusableWords
2.1
1.LaborDayintheUSfallsonthe
first
MondayinSeptember.
2.Thespeakerseemedalittlenervous
atfirst,butafterashortwhilebecamerelaxed.
3.YouwanttolearnmakingChinesedumplings?
First
ofall,letmeshowyouhowtomakedough.
4.Itwassunnybutcoolwhenwestarted.Sothejourneywasquitepleasant
atfirst.Thenallofasuddentherecameathunderstorm.
2.2
1.Canadaisacountryrichinnatural
resources.
2.Thetravelerswalkedupstreamuntiltheyreachedthe
source
oftheriver.
3.Sofartherehasbeennoresponsefromofficial
sources.
4.Withsuchlimited
resources,themanagerhasbeendoingremarkablywelltokeeptheorganizationgoing.
3.SentencePatterns
3.1
1.Thefactthathehasfullyrecoveredfromhisbadaccidentshowsthatmedicinecanworkwonders.
2.Thereason(that)businessesaremovingtheirplantstodevelopingcountriesisthatlaborcostsintheirhomecountriesaretoohigh.
3.Ifwegoonignoringthefactthatourriversarerunningdryorbeingpolluted,theconsequenceswillnotbehardtopredict.
4.Thereason(that)foodpricesarerisingisthatlastyear’scropwasn’tgood.
3.2
1.Whetherthechickencamebeforetheegg,ortheeggbeforethechicken,isaquestionofhowlifebeganingeneral.
2.Isawheronthepointoftearswhenshegottheresultoftheexam.Idon’tknowwhetherweshouldgotocomfortherorjustleaveheralone.
3.It’snotclearwhethershestillwantstogotothelakeorhaschangedhermind.
4.Manyyoungmarriedcouplesarewonderingwhethertheyshouldbuyorjustrentanapartment.
4.ComprehensivePractice
1.A:
WhywilloilceasetobetheNo.1problemofourtime?
B:
Thedawnofanewenergyeraisjust
aroundthecorner.Oilpricesare
goingdown
becausesolarpowerisbecomingcheaper.Besides,improvementsinenergy
efficiency,whilehelpingtocreateaclean
environment,arereducingwasteandthedemandforoil.
2.A:
Whyisn’titeasytosolvethewaterproblem?
Becausewaterisfar
morecomplicated
thanenergy.Noother
resourcecanreplace
water,soitisimpossibletofind
analternativeto
it.Besides,waterdemandisrising,butwatersupplyisfluctuatingasaresultofclimatechange.
3.A:
Whyisitimportantforustoconservewater?
Waterisgoingtobethemostcontentious
resource
ofthe21stcentury.Itwilltriggergeopolitical
conflicts.That’swhywater
conservation
isnotonly
intheinterestof
oureconomybutalsoataskof
strategic
importance.
Comprehending
Reading1
1.ComprehensionCheckforReading1
∙1)T
∙2)F
∙3)T
∙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,industrialspillsandagriculturalrunoff.
3.Itmeansthatthewaterproblemdidnothappenovernight;
insteaditresultedfromourage-oldpracticeofpollutingwaterorwastingwaterinadditiontonaturalcontaminationandnaturaldisasters.
4.Asustainable,long-termsolution.
IntegratedSkillsPracticing
I.Viewing&
Listening
1)Segment1
ConsidertheAralSea,forexample,locatedincentralAsia.ThenameAralSeaisactuallytranslatedinto“SeaofIslands”,referringtoover1,534islandsthatonceexisted.TodaytheAralSeais
down
to10%ofitsoriginal
size.Thesamethingishappeninginotherareasthatwereonceflourishing(but)arenow
turningintodesert.
2)Segment2
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