think about the different ways

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1、Thinkaboutthedifferentways　　Thinkaboutthedifferentwaysthatpeopleusethewind.Youcanuseittoflyakiteortosailaboat.Windisonelfourcleanestandrichestpowersources(来源),aswellasoneoftheoldest.Evidenceshowsthatwindmills(风车)begantobeusedinancientIranbackintheseventhcenturyBC.Theywerefirstintrodu

2、cedtoEuropeduringthe1100s,whenarmiesreturnedfromtheMiddleEastwithknowledgeofusingwindpower.　　Formanycenturies,peopleusedwindmillstogrind(磨碎)wheatintoourorpumpwaterfromdeepunderground.Whenelectricitywasdiscoveredinthelate1800s,peoplelivinginremoteareasbegantousethemtoproduceelectricit

3、y.Thisallowedthemtohaveelectriclightsandradio.However,bythe1940swhenelectricitywasavailabletopeopleinalmostallareasoftheUnitedStates,windmillswererarelyused.　　Duringthe1970s,peoplestartedbecomingconcernedaboutthepollutionthatiscreatedwhencoalandgasareburnedtoproduceelectricity.People

4、alsorealizedthatthesupplyofcoalandgaswouldnotlastforever.Then,windwasrediscovered,thoughitmeanshighercosts.Today,thereisaglobalmovementtosupplymoreandmoreofourelectricitythroughtheuseofwind.　　60.Fromthetextweknowthatwindmills________.　　A.wereinventedbyEuropeanarmies　　B.haveahistoryof

5、morethan2,800years　　C.usedtosupplypowertoradioinremoteareas　　D.haverarelybeenusedsinceelectricitywasdiscovered　　61.Whatwasanewuseforwindpowerinthelate19thcentury?　　A.Sailingaboat.B.Producingelectricity　　C.Grindingwheatintoflour.D.Pumpingwaterfromunderground　　62.Oneofthereasonswindwas

6、rediscoveredinthe1970sisthat_________.　　A.windpoweriscleaner　　B.itisoneoftheoldestpowersources　　C.itwascheapertocreateenergyfromwind　　D.thesupplyofcoalandgasfailedtomeetneeds　　63.Whatwouldtheauthorprobablydiscussintheparagraphthatfollows?　　A.Theadvantagesofwindpower.　　B.Thedesignofwi

7、ndpowerplants.　　C.Theworldwidemovementtosaveenergy　　D.Theglobaltrendtowardsproducingpowerfromwind　　答案：CBAD