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.Theradichenewsassaonastheaccidenthappened.Walkingisthesafest,simplestandbest【ofeXeTCiSe.单项选择。()6.)8.Don“tspeakallatonce1Oneattime,please.A.aB.anC.theD./Thescarfwhichissilksoftandcomfortable.A.madefrom;feelsB.madeof;feelsC.madeinjsmellsD.madetpof;smellsIfyouwanttokuowInoreinformationaboutthecomingparty,pleasetheweb-site:http:仁www.happyweekends.com.人.setupB.lookthroughC.pickoutD.turno垂()9.Wearegladthatafamouswritertoourschooltogiveatalknextweek.A.invitesB.invited(二4WillbeinvitedD.W4Sinvited()l0HeW48madethefOoraterclaSsyesterday.泠.S8WeeDsB.EC.sweepingD.tosWeep12.13.14.M.按要求完成句子,每空一词。TheImanSeemedtobCworriedabouthisSOD.改为同义旬)一themanwasWorriedabouthisson.Weusevegetablestomakesalad.(改为被动语态)Vegetables_makesalad.Willyoucleanyourbedroom?(改为被动语态)yourbedrooml2Thebayeatsmuui讫于03h5160Lefatter.(改为同义句)Theboyeats_meatandhelooksfatter。ShedidntcometoWOrkbecause)fthebadWeatheT(改为同义旬)ShedidntcometowWorkofthebadweather.阅读理解。Gettingelectricityhasalwaysbeenaproblemforthe173peoplelivinginNuevoSaposoa,asmallvillageinPeru,SouthAmerica,However,thingswentfrombadtoworseinMarch2015afterheavyrainsdamagedtheonlypowercablesinthearea.Thevillagerswereforcedtouseoillamps,whicharenotonlyexpensivebutalsodangerousbecauseoftheharmfulgasestheyproduce.Luckily,researchersattheUniversityoiTechnol-ogy(UT)inLima,Peruheardabouttheirproblemandfoundawonderfulsolution.Theymadealampthatcanbepoweredbyplantsandsoil,bothofwhichcanbeeasilyfoundintheAmazonianrainforestwherethevillagelies.Thelamptakesenergyfromaplantgrow-inginawoodenboxandusesittolightupanLEDlightbulb.Whilethatmaysoundamazingandevenimpossi-ble,thesciencebehindtheideaisquitesimple,Asplantscreatetheirfood(usingthesunsenergy,Waterandchemicalsfromthesoil),theyalsoproducewastewhichtheyreturntothesoil.Tinyanimalsinthesoileatthiswasteandtheyproduceelectrons一thebuild-ingblocksofelectricalenergy.TheUTteamputspe-cialsticksinsidethesoiltocapturetheenergyandkeepitinthelamp“sbatteriesforlateruse.There-searcherssayasinglechargecanpowera50-wattLEDlightfortwohours一enoughtimeforlocalvillagerstogettheireveningworkdone.TheuniversitygavetenPlantLampstotheviL-lagersofNuevoSaposoainOctober2015.Sofar,theyhavebeenahugesuccess!ElmerRamirez,theUTprofessorwhoinventedthelamp,believesthePlantLampcouldhelpimprovethelivesofmanypeople,especiallysmallrainforestcommunities,42旭ofwhomhavenoelectricity.()16.Whataretheproblemsofoillampsaccord-TigtoParagraph工?人.Theyareditficulttouseandcreatepollution.B.Theyareexpensivetobuyandeasilydamaged.C.Theyaredifficulttorepairandproducelittlelight.D.Theyareexpensivetouseandcanbebadforhealth.()17.)18.TheelectricitymadebythePlantLampcomesfromsA.plantfoodB.plantwasteC.thesoilsheatD.thesunsenergyWhatisTRUEaboutthePlantLamp?A.Itcanbemadebylocalpeople.B,ItyiszmuchjeasSiertolusethanr-oillamps:.C.itcanproducealltheelectricitytheviL-lageneeds:.D.Thethingsitneedstomakeelectricityareeasytofind.()19.)20.ThePlantLampsinventorbelievesitcouldbemosthelpfulforA.rainforestcommunities旦.carsC.poorpeopleincitiesD.farmersWhatis.thepurposeofthe-passage?A.Toreportonanewinvention.B.Toexplainanewscientifictheory.C.Todescribehowelectricityismade.D.Tbdiscusstheproblemsofpoorvillages.