七年级英语下册 Unit 4 Electricity课件 牛津广州版.ppt

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wordsandexpressionsinreadingb 4 looklike belike1 helookslikehisfather heislikehisfather 2 what shelike whatdoeshelooklike heisshortandfat 5 inaway partly 在某种程度上 稍稍inaway iagreewithhim someofhisideasarerightbythewaybytheway canyoutellmewhenwewillleave inthewaythetableisintheway pleasemoveit onthewayonthewaytoschool isawken inthiswayihavecollectedmanystampsinthisway 6 explainv explanationn canyouexplainittome canyougiveanexplanationaboutittome 7 formv 组成 n 形式1 mikeformedafootballteaminhisclasswithhisclassmateslastterm 2 wecanchangeitintodifferentformsofenergy 3 shehasatallgracefulform 她有着高大优雅的外形 8beconnectedto1 thewiresinourflatareconnectedtocablesburiedunderthestreet 2 hongkongandshenzhenareconnectedbyluohubridge connectv 1 常与to with连用 连接 结合 连结willyouconnectthiswiretothetelevision 你把这根电线和电视机连上好吗 2 接通电话connectmewithbeijinguniversity 给我接北京大学 9buryv buriedburiedwhenpeopledied theyareusuallyburied 10 cablen 电缆wire n 电线computersareconnectedwitheachotherbymeansofcables 11 containv 包含 容纳 装有beercontainsalcohol 啤酒含有酒精 theenvelopcontainssomephotosofherfamily phrases 1 转化 变成2 戏弄某人3 最后4 看上去很傻5 流经6 某种意义上7 看电缆联结在一起8 电灯泡9 挠头10 不同形式的能量11 发电站 changeinto tricksb atlast lookfoolish flowthrough inaway beconnectedtocables alightbulb scratchone shead differentformsofenergy apowerstation me benny it electricity it electricity they cables they batteries wire cable street powerstation yes iwasabletotrickdaisyatlast no wecan tseeelectricity butwecan changeitintodifferentformsofenergy no whoislookingfoolishnow benny listening understandingthemainpointsofadialogue thereisaproblemwiththeelectricityinbenny sflat anelectriciancametodealwiththisproblem listentotheconversationbetweentheelectricianandbenny smother findoutwhichthingswereonoroffwhentheelectricitystopped andcircleonoroffnexttotheobjects beforeyoulisten makesureyouknowthefollowingwords vacuumv 用真空吸尘器清扫properlyadv 正确地 恰当地ironv 熨 烫平plugn 插头 lightsairconditionerfridge kettlewashingmachinetelevision vacuumcleanerricecookeriron language情态动词 情态动词不能单独作谓语动词 后接其它动词原形做谓语 没有人称和数的变化 表示能够或不能做某事用can或can tabirdcanfly fishcan tlivewithoutwater 2 告诉人们必须或禁止做某事用must或mustn tyoumusthandinyourhomeworkatonce youmustn ttalkloudlyinpublic 3 表示请求或允许做某事may或canmayicomein caniopenthedoor 4 谈论该做或不该做某事用should oughtto或shouldn t oughtnottosheshoulddoherhomeworkfirst theyoughttofinishtheworkontime theyoughtnottobelateforschool notes 1 can和beableto的区别 beableto有人称数和时态的变化 icancometomorrow iwillbeabletocometomorrow 2 在回答must的疑问句时 否定回答常用needn t或don thaveto表示不必 而不用mustn t mustwestayhere no youneedn t no youdon thaveto 3 mustbe表示肯定的猜测 意为 一定 can tbe表示否定的猜测 意为 不可能 shemustbeanurse isawherinthelibraryjustnow shecan tbehere 4 musthavedone也表示肯定的猜测 意为 一定做过 theymusthavecleanedtheroom it ssoclean 他们一定打扫过房间了 它这么干净 用适当的情态动词填空 1 youswim 2 we operatethemachinelastweek butwecanoperateitnow 3 don tworry you returnmethisbooktomorrow 4 hesaidifhe askmeanotherquestion 5 mygrandmaisill you talksoloudlyhere 6 ican tplaywithyou i finishmyhomeworkfirst 7 i getupearlytomorrow 8 youpleaseopenthewindow can couldn t may could can t must must could 9 nobody livewithoutair 10 hespeakchinese yes alittle 11 thebook bereturnedbeforesaturday 12 icomein yes please 13 you giveupsmokingatonce it sbadforyoureyes 14 excuseme iaskyouaquestion 15 youtellmewherethestationis 16 ifinishtheworknow no you you doitthisevening 17 mayiuseyoure dictionary sorry you iamusingitnow 18 lookattheground it sverywet it haverainedlastnight can can must can may must may can can could must needn t can may can t must 同义句改写 1 youmustcleanyourroomyourself you cleanyourroomyourself 2 shecandancebeautifully she dancebeautifully 3 washyourfaceatonce you washyourface 4 tomcouldn tfindhisbag he not tofindhisbag 5 everyoneoughttobehereontime everyone hereontime haveto isableto must wereableto shouldbe immediately fillintheblankswiththewordsgivenintheirproperforms 1 theweatherinlondonis change 2 pleasewaitformeatthemain tothemuseum enter 3 airis visible 4 thescientistsfoundsomemummies underthepyramids bury 5 canyou ittomeagain ican tunderstandit explanation 6 idon tfeellike footballinthestreet play 7 ipreferthiskindofcloth itfeels smoothly 8 a hemustbeintheoffice b he bethere isawhimtalkingtohisfriendintheclassroomjustnow can may must changeable entrance invisible buried explain playing smooth can t 9 therainstoppedusfrom toschool go 10 whenhecameintotheoffice hefoundhisstaffbusy work 11 don t outofthewindow it sdangerous lean 12 thesewiresare tothecablesburiedundertheground connection 13 that snotabad explain 14 electricitycomesfroma station powerful 15 longago whenpeopledied theyareusually bury 16 don ttouchthewire youwillgetan shock elec