英语等级考试pets四级阅读考前强化训练英语等级考试pets四级阅读考前强化训练2017Dareandtheworldalwaysyields.Ifitbeatsyousometimes,dareitagainandagainanditwillsuccumb.以下是小编为大家搜索整理的英语等级考试pets四级阅读考前强化训练2017，希望对正在关注的您有所帮助!更多精彩内容请及时关注我们应届毕业生考试网!Fewcreationsofbigtechnologycapturetheimaginationlikegiantdams.Perhapsitishumankind’slongsufferingatthemercyoffloodanddroughtthatmakestheideaofforcingthewaterstodoourbiddingsofascinating.Buttobefascinatedisalso,sometimes,tobeblind.Severalgiantdamprojectsthreatentodomoreharmthangood.Thelessonfromdamsisthatbigisnotalwaysbeautiful.Itdoesn’thelpthatbuildingabig,powerfuldamhasbecomeasymbolofachievementfornationsandpeoplestrivingtoassertthemselves.Egypt’sleadershipintheArabworldwascementedbytheAswanHighDam.Turkey’sbidforFirstWorldstatusincludesthegiantAtaturkDam.Butbigdamstendnottoworkasintended.TheAswanDam,forexample,stoppedtheNilefloodingbutdeprivedEgyptofthefertilesiltthatfloodsleft—allinreturnforagiantreservoirofdiseasewhichisnowsofullofsiltthatitbarelygenerateselectricity.Andyet,themythofcontrollingthewaterspersists.Thisweek,intheheartofcivilizedEurope,SlovaksandHungariansstoppedjustshortofsendinginthetroopsintheircontentionoveradamontheDanube.Thehugecomplexwillprobablyhavealltheusualproblemsofbigdams.ButSlovakiaisbiddingforindependencefromtheCzechs,andnowneedsadamtoproveitself.Meanwhile,inIndia,theWorldBankhasgiventhego-aheadtotheevenmorewrong-headedNarmadaDam.Andthebankhasdonethiseventhoughitsadvisorssaythedamwillcausehardshipforthepowerlessandenvironmentaldestruction.Thebenefitsareforthepowerful,buttheyarefarfromguaranteed.Proper,scientificstudyoftheimpactsofdamsandofthecostsandbenefitsofcontrollingwatercanhelptoresolvetheseconflicts.Hydroelectricpowerandfloodcontrolandirrigationarepossiblewithoutbuildingmonsterdams.Butwhenyouaredealingwithmyths,itishardtobeeitherproper,orscientific.ItistimethattheworldlearnedthelessonsofAswan.Youdon’tneedadamtobesaved.1.Thethirdsentenceofparagraph1impliesthat____.A.peoplewouldbehappyi