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Manypeopleusecomputers.Computers_____________by________________.Theworkersplanttreesinthegarden.Trees____________inthegarden____theworkers.areusedmanypeopleareplantedbyCanyoutry？你认识这些好朋友吗（英汉互译）•1.explore2.mark3.system4.direction5.shape6.planet•7.灯泡8.机器人9.发明10.位置；方位•11.问题12.解决•找一找这四组句子的共同点是什么呢？were/was+v.的过去分词A:What’sthelockmadeof?B:It’smadeofmetal.A:What’situsedfor?B:It’susedforlockingthedoor.n.锁v.（用锁）锁上，被锁住2Followtheexampletomakeupsimilarconversations.lock/metal•What’situsedfor?•It’susedforcommunicatingeasily.Howwillyoufindyourlostcellphone?•GPSislikeaman-madestar.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.•Doyouknowhowtheearlyexplorersfindtheirposition?Let’susetheGPS.n.探险者，勘探者Teachingaims:1.复习并熟记本话题的重点单词和短语。2.复习本话题刚学过的被动语态，并根据刚学过的内容总结含有情态动词的被动语态。3.通过本课的科普文章Wherearewe?的阅读，训练同学们从细节入手，培养良好的阅读习惯。•1.Howdidtheearlyexplorersknowwheretheywere?•Theyfoundoutwheretheywerebyusingstars.•2.What’sthedisadvantageofusingthestarsasguidingmarks?•Itsdisadvantageisthatitdidn’tworkwellwhentheweatherwasbadandthestarscouldnotbeseen.•3.WhatisaGPS?Isitusefultouse?•Itislikeaman-madestar.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.Itisveryuseful.•4.WhatdoyouthinktheGPSwillbeusedforinthefuture?•…ReadthepassageandanswerthequestionsonPage88.找一找，记一记•1.查明；找出•2.奏效，起作用•3.其它/于时间•4.人造的5.在任何时候•6.只要•7.可以被使用findoutworkwellTherestofthetimeman-madeatanytimeaslongascanbeused•findoutthesentenceswithpassivevoice(被动语态）考点点拨；1.Thestarscouldbeseen.•2.Itcanbeusedtostudytheshapeoftheearth.仔细观察，两个句子的构成；情态动词的被动语态构成：情态动词+be+动词的过去分词Openyourmouth,youwillsucceed!Listenandreadafterthetape.根据首字母提示，完成短文。ThankstoGPS,wecanknoww_____wearenow.GPSislikeaman-made“star”.Itcanbeu____inanyplaceandanyweatherconditiontofindoutourp________.Inthepast,theearlyexplorershadtousestarsinthes____totellthemwheretheywere,however,thismethoddidn’tworkwellwhentheweatherwasbad.SoGPSisagreatinventionthatcanhelphumanstobettere________ourplanets.hereositionsedkyxplore()1.Abigsupermarket_____inourcitylastyear.A.isbuiltB.werebuiltC.wasbuilt()2.Couldyoutellmewhotheradio____by?A.inventsB.inventedC.wasinvented()3.Manytreesandflowers_____inourschoollastyear.Theymadeourschoolmorebeautiful.A.haveplantedB.wereplantedC.planted()4.Thechildren____swimlastmonthandtheycanswimverywellnow.A.aretaughtB.weretaughtC.weretaughtto()5.Itissaidthatpotatochips_____bymistakeaboutonehundredyearsago.A.wereinventedB.inventedC.areinventedCBCACGrammarexercise()1.Hurryup,you____onthephone.A.WantedB.waswantedC.arewanted()2.Somestories_____thechildrenbytheteachereveryday.A.istoldforB.aretoldforC.aretoldto()3._____thathehasstudiedabroadforfiveyears.A.ItissaidB.ItsaysC.Thatissaid()4.Thewindow____fiveminutesago.A.iscleanedB.wascleanedC.canbecleaned()5.Thechildren______bytheteachersatschool.A.takecareofB.aretakencareC.aretakencareofCCABCChoosethebestanswer.()6.Ihavenoideawhat______whileIwasasleep.A.happenedB.washappenedC.happens()7.Insomecountries,tea_____beforemeals.A.isservingB.isservedC.served()8.Thiskindofbooks______well.A.doesn’tsellB.isn’tsellingC.aren’tsold.()9.I______tenminutestodecidewhichsentencewasrightbytheteacher.A.gaveB.wasgivenC.wasgiving()10.Teachers______ineverypartoftheworld.A.areneedingB.areneededC.willneedABABBWeLearn:1.Somewords:mark,explorer2.Somephrases:findout,aslongas,workwell,therestofthetime,beusedto,theshapeof3.Somesentences:Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.Wecan:1.Usethepassivevoiceofthesimplepasttensemoreproperly.2.TalkaboutnewtechnologyGPS.3.Developeourimaginationandcreativitybydesigningourowninventions.1.Youarelate,allthetickets__________(sell)outanhourago.2.Thistypeofcellphone____________(make)inShenzhen.3.I_________________(notinvite)toyesterday’sparty.4.________thosemachines__________(check)thismorning?5.Manytreesandflowers______________(plant)inourschoollastyear,andtheymadeourschoolabeautifulgarden.weresoldweremadewasn’tinvitedWerecheckedwereplantedThankyou