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1、1KeytoExercisesOpener1.Thespeakeristalkingaboutthecomingglobalwatercrisiswaterproblem.2.Wateristhekeycomponentinourdailylifenotonlyfhumanusebutfenergyindustryagriculturelivestock.3.Ifyoulookattheearthyouwillnoticethatove

2、r75%ofourblueplaiswater.Buttheproblemisonly3%ofthatwaterisfreshwater.Tran:TodayaccdingtoUNICEFatleast2.6billionpeoplelackadequatesanitationwhile1.1billionpeoplelivewithoutcleandrinkingwaterperiod.Wateristhekeycomponentin

3、allofourdailylivesnomatterwherewelivenotonlyfhumanusebutfenergyindustryagriculturelivestock.Nowifyoulookattheearthyou’llnoticethatover75%ofourblueplaiswater.Theproblemisonly3%ofthatwaterisfreshwater.Reading&InteractingI.

4、UnderstingtheText1.Textganization1.1Paras.12:Weneedtoconservewateraggressivelysothatscientistscanhavetimetofindsolutions.Paras.37:Waterisgoingtobethemostimptantmostcontentiousresourceofthe21stcentury.Paras.89:Therearesol

5、utionsbuttheytaketime.Para.10:Aggressiveconservationisneededtobuyustimebefescientistsfindsolutions.31)Hemeansthatwaterismostlikelytobecomeastrategicresourcelikeoilthatcouldtriggergeopoliticalconflict.2)Becausesolvingthee

6、nergywaterproblemswillmaketheotherproblemseasiertodealwith.Abundantenergywatersupplieswillincreasefoodproductionimprovetheenvironment.Theywillalsoreducepovertydiseasesofth.3)Itmostprobablymeansenergyproducedatalowcost.4)

7、Hemeansthateveryothersectofsocietyneedswater.Peopleneedwaterintheirdailylife.Energyproductionrequireswaterfcoolingpowerplants.Industryneedswaterfallstsofpurposes.Agricultureneedswaterfirrigation.5)Yeshedid.Becausehesaidg

8、ettingfreshwaterfromsaltwateratacheappricewoulddwarfallotherscientificaccomplishments.2.3Understingdifficultsentences?1)A?2)B?3)A?4)A?5)AII.FocusingonLanguageinContext1.KeyWds&Expressions1.11.Itwillbeaclosegame.Theoutcom

9、eishardtopredict.2.Travelersonatightbudgetwouldchoosetogotherebytraininsteadofbyplane.3.Tomwasonthepointofleavingthegardenwhenheheardsomeonecry:“Isn’titTomIcanhardlybelievemyeyes.”4.Innovationiswhatweneedwhenwedesignnewp

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