現代大學英語精讀(第二版)Unit 5 課后手打答案

現代大學英語精讀(第二版)Unit5課后手打答案現代大學英語精讀(第二版)Unit5課后手打答案現代大學英語精讀(第二版)Unit5課后手打答案資料僅供參考文件編號：2022年4月現代大學英語精讀(第二版)Unit5課后手打答案版本號：A修改號：1頁次：1.0審核：批準:發(fā)布日期：Unit51distributewealth2.drillahole3drivetheturbine4refine/extractoil5invitedisaster6irrigateland7squandermoney8sustainriverdeltasandwetlands1無法滿足的需求2不明智的補救辦法3地下水水位4已經斷流的河流5饑荒，瘟疫及大規(guī)模移民6供應及需求7大澡盆，電淋浴及抽水馬桶8作物品種9sweepglobe10drain/removesewage11savewater12conserveoil13satisfythedemands/meetthedemands14harnessriversandlakes9灌溉區(qū)10物質不滅定律／質量守恒定律11海水淡化12供不應求，超過需求13瀕危物種14冷卻系統(tǒng)15火電3Replace1becomingterriblyscarce,keepsquandering,invitingdisasters2areatalossaswhattodowith,meettheinsatiabledemands3desalinate,expensive,requireselaborate/sophisticatedapparatus4famines,pestilence,sweeptheglobe5overblown,remedies,ill-conceived,isboundto/issureorcertainto/isdestinedto6routine,frequently7induecourse/gradually,bringsupplyanddemandintoequilibrium8perforated,aquifers,falling,glaciers,vanishing,4TranslateStatisticsshowthatChinahasatotalamountof2.8trillioncubicmetersofwaterresource,secondonlytoBrazil,RussiaandCanada,rankingthefourth(tobeupdated)intheworld.Butwhendividedby1.3billion,ouraverageper-capitashareofwaterresourceonlyamountstoaboutonequarteroftheworld’saverage.Wehavealwaysbeenheavilyburdenwiththeproblemofwatershortage.Itissaidthatthe661largeandmedium-sizedcitiesnationwide,abouttwo-thirdsaresufferingfromacuteshortageofwater.Beijingisagoodexampleinpoint.Itnotonlylackssurfacewater,evenitsundergroundwaterisdangerouslylow.Itisreportedtohavedroppedby90meters.Somescholarssuggestwemoveourcapitaltosomeotherplace.Thisisofcourseunfeasible/unrealistic,butthemessageisclear.Ourwaterresourcesfirstofallarenotevenlydistributedintimeorspace.Theyareeithertoomuch,causingfloods,ortoolittle,causingdroughts.Inspiteoftheimpressiveprogresswehaveachievedinthepastyears,wearestillfarfromeffectivelyharnessingourrivers,lakes,andreservoirs.Soilerosionanddesertificationareincreasinglythreateningoureconomyandpeople’slife.Manyofourriversnolongerflowtothesea.In1998,theYellowRiverfailedtohaveenoughwatertoflowtotheseafor212days.Traditionally,ourwaterresourceshavemainlybeenusedtoirrigatelandbut,inrecentyears,demandsonwaterforindustrialanddomesticusehavealsobeensharplyontherise.Theyhaveseriouslyoutgrownsupplies.Todayourscarcewaterresourcesarebecomingevenscarcerbecausealotofwaterisbeingwastedoncapaciouspowershowers,flushlavatories,andgolfrinks.Moreover,alotofwaterbeingpolluted.Thesetworiversbothhavetheirheadwaterinthecountry.Itthereforemakeswateranissueforpotentialseriousdisputebetweenthetwocountries.Inrecentyears,wehavepinnedgreathopesontheprojectstodivertwaterfromthesouthtothenorth,hoppingthatitwillonceandforallsolveourfloodprobleminthesouthandthedroughtprobleminthenorth.Buttherearescholarswhoseopinionsdiffer.TheywarnusthatimmunityoftheYangtzetodroughtscannotbetakenforgranted.1withbettermedicalcare,mygrandfathercouldhavelivedtoeighty.2evenatagunpointIwouldn’trenouncemybeliefs.3Furtherdelaywouldcauseusevengreaterloss.4.Butfortheseatbelt,shewouldhavebeenseverelyinjuredintheacctident.5Amanwithoutastrongsenseofjusticewouldn’thavebroughtthematterup.6Withoutanexperiencedguidelikeher,wemighthavebeentrappedinthejungle.7Iwonderhowmanyofuswouldhavedonethesameinhisposition8Withamoresophisticatedcomputer,wewouldhavecompletedtheprojectmuchsooner.9