Unit5ThepowerofnatureⅠ.阅读理解(2018·河北衡水中学第四次检测)Watersuppliesaroundtheworldarerunningdry.Scientistssaytheworldisexperiencingashortageoffreshwater.Itwillonlyworsenasthepopulationgrowsfastandtheclimatechanges.PeoplelivinginthewesternpartoftheU.S.areexperiencingthisnow.Forseveralyears,therehasn’tbeenmuchwater.ButtheAmericanWestisnottheonlyplacethirstyforwater.JerrySchubel,presidentandCEOoftheAquariumofthePacificinLongBeach,California,said,“Morethanhalfoftheworld’spopulationlivesinwater-stressedareasandaccordingtotheUnitedNations,thatnumberwillincreasetotwo-thirdsby2025,fewerthan10yearsfromnow.Theamountofwaterontheearthhasnotchangedforbillionsofyears,buttheratio(比率)offreshtosaltwaterhas.Therearealsootherfactorsthatarecreatingafreshwatershortage.Inmanypartsoftheworld,shortageoffreshwaterisalooming(隐隐显现的)crisisthatwillbecomemoreseriousbyclimatechangeandagrowingpopulation.Mostoftheworld’spopulationlivesincountriesthatsharebodiesofwater.Manyofthosecountriesdon’treachanagreementonhowtosharethatwater.”Scientiststhinkconservationisthemostimportantstepinsolvingthewatercrisis.KevinWattier,manageroftheLongBeachwaterdepartment,saiddesalinating—removingsaltfromseawater—isalsoanoption.Butthatcomesataprice.“Itwouldcostatleasttwiceorthreetimesasmuchtodesalinateseawaterasitwouldcosttobuyimportedwater.Youwillincreaseyourglobalcarbonfootprintwhenyougotoseawaterdesalination.”JerrySchubelthoughttheproblemofglobalwatershortagecanbesolvedonlyifcountriesworktogether.“Wecouldsupplyeveryoneonthisplanetwithsafedrinkingwaterandenoughwatertogrowtheirfood.Butitneedsmoney,technology,politicalwillandcooperation.Andlearninghowtosharerequirescollaborative(合作的)decisionmadeatintergovernmental(政府间的)levels.”1.Thewatercrisiswillbecomemoreseriousbecauseof.A.seriouspollutionB.agrowingpopulationC.highexpensesD.lackofseawater2.Themostimportantwayofdealingwiththewatercrisisisto.A.protectwaterresourcesB.makeuseofseawaterC.buyimportedwaterD.sharebodiesofwater3.Thedisadvantageofremovingsaltfromseawateristhat.A.itwillcauseclimatechangeB.itwillpolluteseawaterseriouslyC.itwillneedalargeamountofmoneyD.itwilldestroyanimals’naturalhabitats4.WhichofthefollowingstatementswouldJerrySchubelagreeto?A.PeoplelivingintheU.S.shouldlearntosharefreshwater.B.Climatechangehasnothingtodowithashortageoffreshwater.C.Enoughmoneyshouldberaisedtosolvetheproblemofwatershortage.D.Countriesshouldworktogethertosolvetheproblemofwatershortage.导学号〚23280121〛Ⅱ.七选五阅读(2018·山东淄博一中第四次检测)HowtoAvoidanInternetAddictionWhileitmayseemlikeeveryonesurfsthewebthesedays,thereisafinelinebetweencasuallycheckingyoursocialmediapagesandhavingafull-blownInternetaddiction.IfyoufearthatyoumayloseinterestinotheraspectsofyourlifebecauseyouprefertobeontheInternet,youmaybeonyourwaytoanInternetaddiction.1Admityouareattheriskofanaddiction.MoreandmorepeopleintheworldarebecomingaddictedtotheInternet.Youarenottheonlyonewiththisproblem,anditisbecomingmoreandmorecommonandmoreandmorewell-known.2Setasidelimitedtimeforcomputeruse.Makesurenottoturnitontoomanytimesaweek.Ifyouhavealaptop,makesuretoputitsomewherethatyoucanrememberbutnotsomewherethatyouseeeveryday.Trykeepingthelidclosedwhenyouarenotusingit.3IfyouhaveadesktopPC,trynottogonearitorputsomethingoveritlikeasheet.Callpeopleinsteadofsendinginstantmessagesortexts.Ifyouar...