沪教版七年级下册Unit6Electricity单词和语法

沪教版七年级下册Unit6Electrieity单词和语法初中英语教学辅导讲义教师姓名学生姓名上课时间辅导科目英语年级七（下）上课表现课题名称第六讲：Unit6Electricity教学目标知识点：情态动词：can,may和must的用法考点：1.考察本单元单词短语及句型2.考察本单元语法知识运用能力：1.学习并会灵活运用本单元词汇短语及句型准确运用本单元语法点：情态动词完型阅读能力训练方法：练习+归纳Step1 HomeworkChecking•作业讲评；•词汇短语听写：单词得分 短语得分•上节课知识点回顾。Step2 Warming-up•经典广告（二）IBMIBM公司：没有不做的小生意，没有解决不了的大问题。Nobusinesstoosmall,noproblemtoobig.2、三星电子：感受新境界。2、三星电子：感受新境界。1/23Fewthenewspace.Step3PhoneticSymbols语音基础小练习：选出下列每组单词中音节数目及其他三项不同的一项()1.A.bottomB.replyC.continueD.return()2.A.testB.fatC.fridgeD.journey()3.A.majorB.enjoyC.tidyD.oxygen()remember4.A.B.perfectC.potatoD.furniture()5.A.B.harmfulC.produceD.airportfavouriteStep4LanguageLearningUnitSixElectricity

单词归纳n.electrieity,conversation,rule,wire,cable,moment,battery,cooker,fridge,bulbv.identify,reply,connect,lock,test,tidy,touch2/23adj.foolishpron.anyone【单词重点讲解】electricityn.电e.g.Canyougetmeapacketofelectricity?你能给我一包电吗？【解析】（1）electricity意思是“电”，常常用作不可数名词（2）这个单词共有五个音节：e-lec-tri-ci-tye.g.Weuseelectricitytorunmachines.我们使用电力来运行机器。Weneedelectricityalldaylong.我们整天都需要电。【拓展】electric adj.导电的；电动的；电的electrical adj.及电有关的；用电的；电的【典型例题】（ ）Idon'twanttoliveinavillagewithout .A.electric B.electrical C.electricityD.electricitiesanyonepron.任何人e.g.Doesanyonewantanything?有人要（买）什么东西吗？【解析】（1）anyone意思是“任何人”；anything意思是“任何东西”，它们都是不定代词，为单数。（2）常常用在一般疑问句和否定句中。e.g.Hedidn'ttellanyoneabouthisaddress.他没有把他的地址告诉任何人。Doeshewantanythingtoeat?他想吃什么东西吗？拓展提高】其他不定代词有：物人地点some-somethingsomeone/somebodysomewhereany-anythinganyone/anybodyanywhereno-nothingnoone/nobodynowhereevery-everythingeveryone/everybodyeverywhere典型例题】( )1.I'mhungry.Iwant toeat.【中考真题】A.anything B.something C.everythingD.nothing( )2. istoodifficultifyouputyoureffortintoit.【中考真题】TOC\o"1-5"\h\zA.Anything B.Something C.Nothing DEverything( )3.---Thestoryissoamazing!It'sthemostinterestingstoryI'veeverread.【中考真题】---ButI'mafraiditwon'tbelikedby .A.everybody B.somebody C.anybody D.nobody( )4.Julieenjoyslisteningtomusicverymuch.【中考真题】Sheoftensaystomethat ismoreinterestingthanmusic.A.nothing B.something C.everythingD.anything

( )5.---Isyoursisterill?【中考真题】---Yes,but ,onlyalittlecold.A.seriousanything B.nothingseriousC.seriousnothing D.anythingseriousmomentn.瞬间；片刻e.g.I'dliketotalktoyouforamoment.我想和你谈谈。【拓展】及moment及moment相关的短语：amomentago刚刚;刚才waitamoment等一会儿forthemoment暂时atanymoment任何时刻atthemoment现在;此刻atthemoment此时此刻inamoment过一会儿batteryn.电池e.g.Thechemicalsinsidebatteriesproduceelectricity.电池里面的化学物质产生电。【注意】battery意思是“电池”，是可数名词，复数形式为batteries。e.g.Thecalculatorneedsanewbattery.计算机需换新电池。cooker n.厨灶，炉具【短语】ricecooker电饭煲【拓展】cookv.烹调；n.厨师e.g.Acookiscookingsomericewiththecookernow.一个厨师正在用炊具煮米饭。fridge n.冰箱(它也称为refrigerator)e.g.Helpyourselftothefoodinthefridge.请随便吃冰箱里的食物。短语归纳ReadingListening~Grammarapacketof一袋washingmachine洗衣机inpackets几包的；成包ricecooker电饭煲的thinkof想到lookfoolish看上去很傻use…todo用……去flowthrough流经做 inaway在某种程度上playtheguitar弹吉他(be)connectedto连接到rodeabicycle骑自行车powerstation发电站playchess下棋Hereyouare.给你。asmany・・・as和 样多Speaking~Writing的……switchoff关（点灯、机bereadytodo准备好去器等）做 alightbulb电灯泡takethemedicine吃药sharesth.withsb.及…分享/

testthewater测试水温共用…takeabath沐浴gooutalone独自外出tidyup收拾妥；整理MorePractice好safetytips安全提示airconditioner空调turnon打开（电器类）makerules制定规则turnoff关闭（电器类）asksb.todosth.要某人做某atleast至少事makesure确保Projectcareabout关心divide…into…扌巴 分sincethen从那以后成 moreandmore越来越多one…theother…一个……另一的……个……becarefulwith小心 spend・・・on・・・ 花……在……上面短语句型重点讲解】Shecan'tbuyelectricityinpacketslikesweets.她不能买像糖果一样包好的电。【短语】inpackets意思是“装在包里的 ”。类似词组：apacketof・・・（一包 ）e.g.Childrenwillgetmoneyinredpacketsasanewyear'sgift.孩子们会得到装在红包里的压岁钱作为新年礼物。【典型例题】翻译：你能帮我买三包盐吗？ 我能买到包装的电。 Itflowsthroughwires.It'slikewater,inaway.它（电）流过电线。在某种程度上，它就像水。【解析】（1） through意思是“穿过”，是一个介词，常常指在物体的内部穿过。e.g.TheChangjiangRiverflowsthroughChina.长江流过中国。It'sdangerousforyoutowalkthroughtheforestalone.你独自穿过森林是危险的。（2） inaway意思是“在某种程度上”。e.g.Inaway,Iagreewithyou.在某种程度上，我同意你的看法。【拓展】bytheway顺便说说 onone'swayto在某人去……的路上inthisway以这种方式； intheway在路上；挡道Theseareconnectedtocablesunderthestreet.他们（电线）被连接到地下电缆。【短语】beconnectedto意思是“被连接到……”e.g.Onthenewnetwork,alltelephoneswillbeconnectedtoothercountries.在新网路上，所有的电话都将连到别的国家。【拓展】connectsth.to/with…把 和 连接起来Weusealotofelectricalappliancesinourhomeseveryday.我们每天在家里使用很多电器。【短语】electricalappliance意思是“电器”。electrical是形容词(e-lec-tri-cal)。e.g.Canpeopleinmoderntimeslivewithoutelectricalappliance?现代人没有电器能生活吗？Thehairdryerisoneofthesmallelectricalappliances.电吹风是小家电产品之一。Keeptheoutsideofthepotdry.保持锅外部干燥。【解析】keepsb./sthadj.意思是“保持(某人/某物)怎样”，此处的形容词用于修饰sb./sth.e.g.Wemustkeepourclassroomcleaneveryday.每天我们必须保持课室干净。【拓展】keep+sb./sth.+形容词 意为“让某人/某物保持某种状态”。keepdoingsth. 连续不断地做某事，一直做。强调不断重复的动作。keepsb./sth.doingsth. 让某人不断地做某事keepsb.fromdoingsth. 阻止某人做某事e.g.Wemustkeepthemfromgettingtoknowourplans.我们必须防止他们知道我们的计划。【典型例题】( )1.Doyouknowhowtokeepyourself whenyouareindanger?A.safely B.safety C.safe D.save我们必须阻止人们伐树。我爸爸一直工作到半夜。【课堂基础练习】一、根据句意及所给的首字母提示写出所缺单词，并注意其形式。Whenyoureadbooksinthelibrary,youmustobeyther .Isa worriedabouttheEnglishexam?Youshouldn'tmakesuchaf mistake.Thelittleboywenttobed.Am later,hefellasleep.Thegirlisshy.Shecan'tstartac withstrangerseasily.Thescientistssayswecanusewindtoproducee .Ifyoucan'teatallthemeat,youcanputitinthef .Don'tt thehotiron,oritwillhurtyourhand.Mytoycardoesn'trunbecausetheb isusedup.Iwanttot yourIQbyansweringthesequestions.二、根据中文意思，完成下列句子。妈妈买了一袋苹果和一箱牛奶。Mumbought applesandaboxofmilk.这条电线及电视机相连。Thewire theTV.我的姐姐正在整理她的房间。Mysisteris herbedroom.你发完邮件后别忘记关电脑。Don'tforgetto thecomputerafteryousendtheemail.请确认每个学生都在教室里。Please everystudentisintheclassroom.在某种程度上，长假期有时会令人感到无聊。 ,longholidaysaresometimesboring.三、从方框中选择适当的短语填空，并注意其形式。washingmachinebecarefulwith.share…with.airconditioner,takethemedicineswitchon,gooutaloneWeshould theelectricity.It'sdangerous.Inhotsummer,mostfamiliesuse tohelpthemsleepwell.Willyou yourphotos me?Shewasillbutshedidn'twantto .Please thecomputer.Ineedtotypesomeletters.Don't atmidnight.It'snotsafe.Nobodywashesclothesatmyhome,butthe doesthework.【语法归纳】情态动词can,may和must【定义】1、 情态动词是一类用于表示说话人的语气和情态的助动词。2、 常表示命令、请求、拒绝、义务、可能、需要等。【专题精讲】一、can/could； can't/couldn't(否定)表示能力,意为“能、会”女口：IcanspeakalittleEnglish.Ican'tswim.---Canyourideabike?---Yes,Ican./No,Ican't.表示请求或允许，多用于口语中，意为“可以、能”等女口：Youcangohomenow.Youcan'tstopyourcarhere.---CanIborrowyourbike?---Yes,youcan./No,youcan't.用于否定句、疑问句中，表示猜测、怀疑或不肯定.女口：Lucycan'tbeathomenow,shewenttotheparkjustnow.Wherecanitbe?Ican'tfindmyfootball.【技能必备】could是can的过去式，有两种用法：一种表示过去式；一种用来表达更加客气,委婉的语气,时态性不强,可用于过去，现在。beableto意为“有能力，能够做...”,相当于can/could，但它有人称，数和时态的变化。二、may; maynot(否定)表示“请求，许可”，此时及can同义，可以互换使用女：---MayIborrowyourbike?---Yes,youmay./No,youmaynot.---CanIborrowyourbike?---Yes,youcan./No,youcan't.may/might表示不太肯定的猜测，意为“有可能”女口：Lucymaycometoschoollatetoday.Itmightraintoday.【技能必备】might是may的过去式，有两种用法：一种表示过去式；一种表示更加委婉，客气的语气或对可能性的怀疑。三、must; mustn't（否定）1） must（“必须”,表示命令），mustn't（“一定不能”,表示强烈禁止…）女口：Youmustgotobedbefore22:00pm.Youmustn'tplaywithfire.It'sdangerous!---MustIwritedownthesentences？---No,youneedn't. （---No,youdon'thaveto.）【技能必备】在回答must的疑问句中，否定回答用needn't或don'thaveto表示“不必”，不用mustn't2） must还可以表示非常肯定的猜测，意为“一定”女口：ThegirlinaredskirtmustbeLucy.3） must/haveto的区别：.must表示必须，强调主观上的愿望；haveto表示“不得不”，强调客观需要女口：Youmustgobebedbefore22:00p.m..Mybikeisbroken,soIhavetogotoschoolonfoot..haveto有人称、数、时态的变化；must则没有。女口：Ihavetocleantheclassroomtoday.Shehastofinishherhomeworkfirst.Itwaslate,hehadtogotoschoolwithoutbreakfast.要点归纳】1、 情态动词无人称和数的变化,2、 情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加"not"。3、 个别情态动词有过去式,过去式用来表达更客气,委婉的语气,时态性不强,可用于过去，现在。课堂练习】、单项选择。()1.Annieisgoodatsinging.She __singmanyEnglishsongs.A.mayB.canC.needD.must()2.--- __Isithere?---Sorry,youcan't.A.NeedB.MustC.MayD.Do()3.---MustIgetthereat6:30inthemorning?---No,you A.B.needn'tC.can'tD.don'tmustn't()4.Everyone pickB.mustn'ttheflowersinthepark.It'saruleA.mayC.needn't D.cannot()5.--- Iuseyourtelephone?---Sure.Hereyouare.A.MayB.MustC.NeedD.Should( )6.Ourbosssaidwe finishtheprojectbeforeMarch1st.Let'shurry.A.must B.need C.may D.can( )7.Jackisclevererthanme.He knowtheanswer.A. B.can't C.need D.maydoesn't( )8.---CanIwatchTVnow?---No,you .It's10o'clock.You gotobed.A. B.can't, C.maynot,D.needn't,can't,can must can must( )9.It'sdangeroustoplayinthebusystreets.Soyou playfootballthere.A.mayB.needn'tC.notcanD.mustn'tnot( )10.Let'stakethepictureaway.Grandpa likeit.A. B.mustn'tC.maynotD.needn'tcan't二、按要求转换下列句子。Wecanjump200timesinoneminute.(改为否定句)Hemustcleanallthedishesbyhimself.(改为一般疑问句并做肯定和否定回答)三、情景反应根据实际情况回答问题1.Whatmustwedobeforechangingthebulb?2.Whenyouseesomebodysmokinginthelibrary,whatwouldyousaytohim?Wherecanyouputthemeattokeepitfresh?Whatmustwedowhentheairconditionerison?Canweswitchthericecookeronifthepotisempty?阅读完型训练语法选择Weweregoingtohaveatesttoday.Itwouldshowifwewere__1__togetinanhonoursclassnextyear.But,Ididn'tthinkitwashardforme.Itwasthemathspart myfavourite.Wetookthetest__2__computer.There__3__52questionsforustodoinonehour.Theboybehindme_4__nervous.Thegirlonmyleftwasnervous,__5__.ButwhenIbegan__6__thequestions,Isawthewholething__7__agame.Itriedto__8__easywaystodothemathsproblems.Attheendofthetest,myscorewas307.Butwhatdiditmean?Ihad__9__idea.IaskedmyfriendJohn.Hegot227.Whenheknewmyscore,hesaid,“OhmyGod.You'reatalent!”So,Iasked_10__people,andgotthesameanswers()1.A.enoughsmartB.toosmartC.smartenoughD.verysmart()2.A.byB.atC.forD.to()3.A.wasB.hadC.wereD.have()4.A.waslookingB.lookedC.looksD.waslooked()5.A.eitherB.alsoC.yetD.too()6.A.answeringB.answeredC.answerD.answers()7.A.forB.likeC.toD.as()8.A.lookB.findoutC.findD.search()9.A.someB.noC.notD.any()10.A.otherB.anotherC.theotherD.others完型填空OnChristmasEveafewdaysago,anEnglishcouple,theHardens,gotaveryspecialcall.Itwasonlya20-secondcallbutitwasvery__1__.TheHardens'15-year-olddaughterhasgone__2__sixmonthsbefore.OnChristmasEvesherangthem.“I'mphoningtowishyouahappyChristmas,”shesaid,“Iloveyou.”RonalsandEdwineHardenwereso__3__thattheystartedaspecialtelephoneservice(服务)called“AliveandWell”.Theservicehelps__4__togetintouchwithchildrenwhohaverunawayfromhome.Youngpeoplecanphone“AliveandWell”andleaveamessagefortheirparents.Thetelephonesareansweredbyansweringmachines.So__5__canspeaktothechildormakehimreturnhome.Parentsofrunawaychildrenwhoare__6__eighteencanaskthepolicetobringtheirchildrenhome.Sochildrendonotwanttotelltheirparentswheretheyare.Through“AliveandWell”theycantelephonetheirparentsandtheydonot__7__aboutthisorgiveouttheiraddresses.TheHardensandtheirhelpers__8__thetelephonemessagesandconnect(联系)theaddressesgiven.About30,000Britishteenagershavelefthomeandmanyofthemareprobablyin__9__.Foronlytwopence(便士)theycangointoatelephonecoinboxandcalltheirparents.Theycandial5675339and__10__aparentworrying:Ishedeadoralive?()1.A.interestingB.importantC.difficultD.exciting()2.A.awayB.outC.backD.along()3.A.angryB.happyC.sadD.kind()4.A.teachersB.peopleC.parentsD.friends()5.A.someoneB.anyoneC.everyoneD.noone()6.A.atB.aboveC.overD.under()7.A.thinkB.worryC.talkD.hear()8.A.askforB.listento C.lookup D.writedown()9.A.PairsB.TokyoC.LondonD.NewYork()10A.stopB.makeC.feelD.leaveHomework:☆温习本堂课所学知识；☆词汇短语听写 ，下节课检查；☆巩固练习：一、找出下列单词中音节数量及其他不同的单词16.A.supermarketB.computerC.deliciousD.battery17.A.andB.acrossC.airD.act18.A.beautyB.questionC.travelD.direction19.A.surpriseB.chemicalC.wonderfulD.newspaper20.A.beginningB.modernC.pencilD.ago二、单项选择Helen goonthetripwithus,butsheisn'tquitesureyet.shall B.must C.may D.CanJohnny,you playwiththeknife,you hurtyourself.won't;can'tB.mustn't;mayC.shouldn't;mustD.can't;shouldn't.---Ithinkheistakinganactivepartinthesocialwork.---Iagreewithyou .A.inawayB.onthewayC.bythewayD.intheway24.Imust offtheTVwhenwedon'twatchit.A.turnedB.turnsC.turningD.turn25.I backintwoweeks.A.comeB.cameC.hascomeD.willcomeThedoorislocked.Let'strytogetintotheroom thewindow.A.through B.across C.pass D.pastMostpeoplelooked afterworkingforalongtime.A.tiring B.tire C.tiredly D.tiredAmoment ,myfathercameinwithsomepresents.A.ago B.later C.after D.before--- IspeaktoMary?---Speaking.A.Must B.Need C.May D.Shall---Mum,mayIwatchTVnow?---Sure,butyou helpmewithmyhouseworkfirst.A.can B.may C.could D.must三、阅读理解。Peoplesometimesliketoreadstoriesofdogsverymuch.Theythinkthatdogsaremuchclevererthancats,sheep,cowsorotheranimalsintheirhomes.Oneofmyclosefriends,Bob,hasaverylargepolicedognamedJack.EverySundayafternoon,BobandJackhaveawalkintheparknearby.Jacklikesthesewalksverymuch.OneSundayafternoon,Ipaidavisitto