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1、Unit2WillbooksbereplacedbytheInternet?第一课时I.根据句意及首字母提示填写单词。咤2.挂DoyouknowthatalargeaofcleanwaterisWastedeveryday?Developmentsinpmadeitpossibletoproducebooksmorequicklyandcheaply-.ThechildrencameinalldwhenthebellTang.Theradicosthenewsassaonastheaccidenthappened、.Walkingisthesafest,simplestandbest【ofeX
2、eTCiSe.单项选择。()6.)8.Don“tspeakallatonce1Oneattime,please.A.aB.anC.theD./Thescarfwhichissilksoftandcomfortable.A.madefrom;feelsB.madeof;feelsC.n】【(】e趸l二nl仨D-l了、巾HOf霰S【nellsIfyouwanttokuowInoreinformationaboutthecomingparty,pleasetheweb-site:http:仁.人.setupB.lookthroughC.pickoutD.turno垂()9.Wearegladthat
3、afamouswritertoourschooltogiveatalknextweek.A.invitesB.invitedC.willbeinvitedD.wasinvited)10.Hewasmadethefloorafterclassyesterday.八.sSyweeps.sSweepC.sweepingD.to.SWeeD12.13.14.M.按要求完成句子,每空一词。TheImanSeemedtobeworriedabouthisSOD.改为同义旬)一themanwasWorriedabouthisson.Weusevegetablestomakesalad.(改为被动语态)Veg
4、etables_makesalad.Willyoucleanyourbedroom?(改为被动语态)yourbedroom2Thebayeatsmuoh出e丘t言跖门鳢looksfatter.(改为同义句)Theboyeats_meatandhelooksfatterShedidntcometoWOrkbecauseOfthebadWeatheT(改为同义旬)ShedidntcometowWorkofthebadweather.阅读理解。Gettingelectricityhasalwaysbeenaproblemforthe173peoplelivinginNuevoSaposoa,asma
5、llvillageinPeru,SouthAmerica,However,thingswentfrombadtoworseinMarch2015afterheavyrainsdamagedtheonlypowercablesinthearea.Thevillagerswereforcedtouseoillamps,whicharenotonlyexpensivebutalsodangerousbecauseoftheharmfulgasestheyproduce.Luckily,researchersattheUniversityofTechnol-ogy(UT)inLima,Peruhear
6、dabouttheirproblemandfoundawonderfulsolution.Theymadealampthatcanbepoweredbyplantsandsoil,bothofwhichcanbeeasilyfoundintheAmazonianrainforestwherethevillagelies.Thelamptakesenergyfromaplantgrow-inginawoodenboxandusesittolightupanLEDlightbulb.Whilethatmaysoundamazingandevenimpossi-ble,thesciencebehin
7、dtheideaisquitesimple,Asplantscreatetheirfood(usingthesunsenergy,Waterandchemicalsfromthesoil),theyalsoproducewastewhichtheyreturntothesoil.Tinyanimalsinthesoileatthiswasteandtheyproduceelectrons一thebuild-ingblocksofelectricalenergy.TheUTteamputspe-cialsticks_insidethesoiltocapturetheenergyandkeepit
8、inthelamp“sbatteriesforlateruse.There-searcherssayasinglechargecanpowera50-wattLEDlightfortwohours一enoughtimeforlocalvillagerstogettheireveningworkdone.TheuniversitygavetenPlantLampstotheviL-lagersofNuevoSaposoainOctober2015.Sofar,theyhavebeenahugesuccess!ElmerRamirez,theUTprofessorwhoinventedthelam
9、p,believesthePlantLampcouldhelpimprovethelivesofmanypeople,especiallysmallrainforestcommunities,42旭ofwhomhavenoelectricity.()16.Whbataretheproblemsofoillampsaccord-ingtoParagraph儿9人.Theyareditficulttouseandcreatepollution.B.Theyareexpensivetobuyandeasilydamaged.C.Theyaredifficulttorepairandproduceli
10、ttlelight.D.Theyareexpensivetouseandcanbebadforhealth.()17.)18.TheelectricitymadebythePlantLampcomesfromsA.plantfoodB.plantwasteC.thesoilsheatD.thesunsenergyWhatisTRUEaboutthePlantLamp?A.Itcanbemadebylocalpeople.BItyismuehiegasSiertolusethanroillamps:.C.itcartproducealltheelectricitytheviL-lageneeds
11、:.D.Thethingsitneedstomakeelectricityareeasytofind.()19.)20.ThePlantLampsinventorbelievesitcouldbemosthelpfulforArainfOreStCO【nmunities旦.carsC.poorpeopleincitiesD.farrnersWhatisthelpurposeoftherpassage“?双.IoreportonanewinVention.B.Toexplainanewscientifictheory.C.Todescribehowelectricityismade.D.Tbdiscusstheproblemsofpoorvillages.
