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eq\o(\s\up7(),\s\do5())Passage1Sincetheearliestcivilizations,peoplehavecontrolledriverstomeetsociety'sdemands.Today,riversarecontrolledformanyreasons,primarilytomaintainreliablewatersuppliesfordaily,agriculturalandindustrialneeds,forpowergeneration,fornavigation(航行),andtopreventflooding.Rivercontrolisachievedbychannelization,atermthatcoversarangeofriverengineerinworks,includingwidening,deepening,straighteningandstabilizationofbanks,andbytheconstructionofdams.AnimportantperiodofchannelizationtookplaceinEuropeduringthe19thcentury,whenmanylargeriverswerestraightenedandtheirbedsdeepened.OneofthemostdramaticallychangedwastheTiszaRiver,abranchoftheDanubethatflowsthroughHungary.ThecontrollingoftheTisza,designedtoreducefloodingandmakelandforagriculture,includedcuttingoffmorethan100meanders(河曲),shorteningtheriver'slengthbynearly400kilometers.Oneofthemostcommonwaysinwhichpeoplecontrolriversisbydammingthem.Thepast50yearsorsohasseenanincreaseindamconstructionworldwide,andatthebeginningofthe21stcentury,therewereabout800,000damsglobally,sometoweringmorethan200metersinheight.Despitetheirsuccesses,manydamsalsocausesignificantenvironmentalchangesthatproveharmful.Someparticularlydeepreservoirs(水库)canbringaboutearthquakesduetothestressontheirbottomrockscausedbyhugevolumesofwater.Downstreamofareservoir,theriveriscertainlyinfluencedinmanyways:watervolume,speedandqualityareallaffected,leadingtochangesinthelandscapeandamongplantsandanimals.答案1.Rivercontrol2.Reasons3.supply4.agriculture5.flooding6.deepening7.stabilizing8.shortening9.damconstruction10.theenvironmentPassage2Aprofessorofenvironmentalhealthandhisstudentsbeganstudyingtheideaofrooftopgardeningforcities.“Ithinkverticalfarmingisanideathatcanworkinabigway,”saidDespommier.Whywouldwewanttobuildskyscrapersfilledwithvegetableswhenwe'vebeenfarmingonthegroundfor10,000years?Becauseastheworld'spopulationgrows—from6.8billionnowtoasmuchas9billionby2050—wecouldrunoutofproductivesoilandwater.Mostofthepopulationgrowthwilloccurincitiesthatcan'teasilyfeedthemselves.Andthefactthatmodernagricultureandeverythingassociatedwithit—chemicalfertilizersandtransportationfullofcarbon—isasignificantcontributortoclimatechange,andsuddenlyverticalfarmingdoesn'tseemsomagiconeinthesky.“Verticalfarmingcouldallowfoodtobegrownlocallyandsustainably,”saysGlenKertz,CEOofValcent.Theresultsavesspace—vitalinurbanareas—andallowsfarmerstoirrigateandfertilizewithfarlesswaste.AtValcent'sElPasolab,cropsgrowinrowsonconveyorbelts.Movingthemgivestheplantsthepreciseamountoflightandnutrientsneeded,lettingthemgrow15timesasmuchvegetableasonanormalfarmwith5%ofthewaterthattraditionalagriculturedoes.Dedspommierplanstobuilda30story,cityblocksizeverticalfarmthatwouldhavetransparentwallstomaximizesunlightandwouldproduceenoughfoodfor50,000people.Butitwouldcosthundredsofmillionstobuildafullscaleskyscraperfarm.That'sthemaindrawback:constructionandenergycostswouldprobablymakeverticallyraisedfoodmorecostlythantraditionalcrops.答案1.VerticalFarming2.Reasons/Causes/Contributions3.incities4.climatechange5.Advantages6.vitalspace7.lesswater8.lightandnutrients9.transparentwalls10.energycostsPassage3Youngpeoplearedefinitelylesscourageous(英勇的)thantheywerethreedecadesago.Whyisthis?It'sbecausetheyarespoiled,andtakeforgrantedeverythingthattheyhaveoraregiven.Threedecadesago,therewasn'tnearlyasmuchblatant(公然的)disrespectforelders,peers,orotherpeopleingeneral.Atthattime,youngpeopleweretaughtthattogetanythingorgetanywhereinlife,they'dhavetoworkforitandearnit.Ifyoungpeoplearen'tbeingtaughtthebasicsofrespectingothers,andaren'tbeingtaughtthattheyneedtoworktomakealiving,thenwherearetheytolearncourage.Courageisn'tnecessarilyaboutriskingyourlife,forwhateverreason.Itisaboutbeingabletofaceanykindofhardship,andtomakedecisionsandfacetheconsequencesofthosedecisions.Couragemeansbeingabletolearnfromhardtimes,andtotakethoselessonswithyouthroughlife.Itmeanshavingtheresourcefulness(足智多谋)tofindwaystodealwithyourproblemsyourself,andnotbeingafraidtodoso.Toomanyyoungpeoplenowrelyonparents,siblings,olderrelativesandotherstogetthemthroughlife.Toooftentheyturntothesefigureswhenevertheygetintotrouble,andexpecttohavetheirproblemssolvedforthem.Ifwearetohelpouryoungpeoplebecomemorecourageous,weshouldstopspoilingthem,stopdoingeverythingforthem,andteachthemtheskillsnecessarytomakebasiclifedecisionsontheirown.Oncethesebasicprinciplesareinstilled(灌输)inouryoungpeople,Ithinkwe'llfindthattheyaremorecourageousthanwecouldhavedreamed,andmoreliketheyoungpeopleofthreedecadesagothanwehadeverimagined.It'stimetogobacktooldervaluesandideas,andtobringcouragebackintoouryoungpeopleandsociety.Theme__1__youngpeople30yearago,thosearelesscourageous.ThebehaviorofyoungpeopletodayTheygenerallyshow__2__foreldersandotherpeople.Theytakeforgrantedwhatevertheyhaveorreceive.Manyofthemaretoo__3__theirparentsorotherrelativestogetthemthroughlife.__4__Theyarenot__5__ofthebasicsofrespectingothers.Theyarenottaughttoworkhardtomaketheirdreams__6__.Theydon'thavethe__7__tomakewisedecisionsandovercomedifficultiesindependently.Theytendtoexpectothers,suchastheirparentsorsiblings,tohelpthemoutwhentheyare__8__.TipsNever__9__them;onlyhelpthemwhennecessary.Teachthemtheskillstheyneedtomakebasiclifedecisionsbythemselves.ConclusionIt'stimewewentbacktooldervaluesandideas,and__10__intoouryoungpeopleandsociety.答案1.Comparedwith2.disrespect/little/lessrespect3.dependenton4.Retrue7.ability8.introuble9.spoil10.broughtcouragebackPassage4Istherea“successpersonality”—somewinningcombinationofqualitiesthatleadalmostinevitably(不行避开的)toachievement?Ifso,exactlywhatisthatsecretsuccessformula(公式),andcananyonedevelopit?AttheGallopOrganizationwerecentlyfocusedindepthonsuccess,inquiringintotheattitudesof1,500distinguishedpeopleselectedatrandomfromWhoisWhoinAmerica.Ourresearchfindsoutanumberofqualitiesthatoccurregularlyamongtopachievers.Hereisoneofthemostimportant,thatiscommonsense.Commonsenseisthemostwidelypossessedqualityofthepeoplesurveyed.79%awardthemselvesatopscoreinthisquality.And61%saythatcommonsenseisveryimportantincontributingtotheirsuccess.Tomost,commonsensemeanstheabilitytopresentsound,practicaljudgmentondailyaffairs.Todothis,onehastoremoveextraideasandgetrighttothekeypointsofwhatmatters.ATexasoilandgasbusinessmanputsitthisway“Thekeyabilityforsuccessissimplifying.Inconductionofmeetinganddealingwithindustryreducingacomplexproblemtothesimplesttermishighlyimportant.”Iscommonsenseaqualityapersonisbornwith,orcanyoudosomethingtoincreaseit?Theoilman'sansweristhatcommonsensecandefinitelybedeveloped.Heoweshistolearninghowtodebateinschool.Anotherwaytoincreaseyourstoreofcommonsenseistoobserveitinothers,learningfromtheirandyourownmistakes.Besidescommonsense,therearemanyotherfactorsthatinfluencesuccess:knowingyourfield,selfreliance,intelligence,theabilitytogetthingsdone,leadership,creativity,relationshipwithothers,andofcourseluck.Butcommonsensestandsout.Ifyoudevelopt
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