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新版深圳广州沈阳版牛津英语七年级下Unit6ElectricityⅠ.短语（词组）1.moment可数名词,意为”瞬间;片刻”如：I’dliketotalktoyouforamoment.与moment相关的短语：amomentago刚刚;刚才如：Hewashereamomentago.atthemoment现在;此刻如：Heisathomeatthemoment.waitamoment等一会儿如：Waitamoment,please.later副词,意为”后来;以后”2.atthemoment此时此刻；forthemoment暂时；inamoment过一会儿；atanymoment任何时刻3.apacketof一袋不可数名词没有复数形式，在表示数量时，常用“a+单位量词+of+不可数名词”结构。如：apieceofmeat;apieceofpaper;aglassofapplejuice;abagofmilk数词+单位量词+of+不可数名词\可数名词复数如：twoglassesofwater;threecupsoftea;twopacketsofsweets;threebagsofpencils4.inaway在某种程度上ontheway在路上；intheway挡道；inthisway这边走；bytheway顺便问下5.connect连接…常用结构:beconnectedtosth.连接到……connectsth.to/with…把…和…连接起来.如：TurnonyourcomputerandconnectittotheInternet.TherailwaylineconnectsWuhantoShanghai.6.powerstation发电站7.washingmachine洗衣机8.switchoff=turnoff关掉9.tidyup收拾整理=putaway10.aircondition空调11.comeinto进入……之内12.providesb.withsth.供应给某人某物如：Thesunprovidesuswithlightandheat.“为某人提供某物”还可以用providesth.forsb.13.“asmany+复数名词+as”意为”和……一样多的…”如：Ihaveasmanybooksasyou.我和你有一样多的书.“asmuch+不可数名词+as”意为”和…一样多的…”如：MybrotherdrinksasmuchmilkasIeveryday.14.sharesth.withsb.与某人合用/分享某物15.(1)“keep+sb./sth.+形容词”意为“让某人/某物保持某种状态”。(2)keepdoingsth.连续不断地做某事，一直做。强调不断重复的动作。如：LiLeikeepsbuyingbooksaboutcars.李雷不断地买有关车的书。(3)keepsb./sth.doingsth.让某人不断地做某事(4)keepsb.fromdoingsth.阻止某人做某事如：Wemustkeepthemfromgettingtoknowourplans.我们必须防止他们知道我们的计划。16.atleast至少17.makesure务必，确信Ⅱ.语法：情态动词一、情态动词的定义情态动词是一类用于表示说话人的语气和情态的助动词。常表示命令、请求、拒绝、义务、可能、需要等。二、情态动词的特点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。三、情态动词的用法1.can/could；can’t/couldn’t(否定)1)表示能力,意为“能、会”,例如：如：IcanspeakalittleEnglish.--Canyourideabike?Ican’tswim.--Yes,Ican./No,Ican’t.2)表示请求或允许，多用于口语中，意为“可以、能”等如：Youcangohomenow.现在你可以回家了--CanIborrowyourbike?Youcan’tstopyourcarhere.--Yes,youcan./No,youcan’t.3)用于否定句、疑问句中，表示猜测、怀疑或不肯定.如：Lucycan’tbeathomenow,shewenttotheparkjustnow.Wherecanitbe?Ican’tfindmyfootball.【注意：】1）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。2）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。2.may;maynot(否定)1)表示“请求，许可”，此时与can同义，可以互换使用如：MayIborrowyourbike?CanIborrowyourbike?Yes,youmay./No,youmaynot.Yes,youcan./No,youcan’t.2)may/might表示不太肯定的猜测，意为“有可能”如：Lucymaycometoschoollatetoday.Itmightraintoday.【注意】：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。3.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...)如：Youmustgotobedbefore22:00pm.Youmustn’tplaywithfire.It’sdangerous!--MustIwritedownthesentences？--No，youneedn’t.(--No,youdon’thaveto)注意：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”如：ThegirlinaredskirtmustbeLucy.3)must/haveto的区别：①.must表示必须，强调主观上的愿望；haveto表示“不得不”，强调客观需要如：Youmustgobebedbefore22:00pm.Mybikeisbroken,soIhavetogotoschoolonfoot.②.haveto有人称、数、时态的变化；must则没有。如：Ihavetocleantheclassroomtoday.Shehastofinishherhomeworkfirst.Itwaslate,hehadtogotoschoolwithoutbreakfast.一，选择填空：()1.Mummakesmeeatanappleeveryday______thedoctoraway.A.keepsB.iskeptC.tokeepD.kept()2.I’mgettingfatterandfatternow.WhatshouldIdo,doctor?--You’dbettereatfoodandtakeexercise.A.less;lessB.more;moreC.more;lessD.less;more()3.---WhatcanIdoforyou?---I’dliketwo_______.A.packetofteaB.packetsofappleC.packetsofteaD.packetofapples()4.Watercomestoourflats__________pipesunderthestreets.A.acrossB.alongC.throughD.over()5.AndyWanglooks_________today.Heislaughingalltheway.A.happyB.happilyC.sadD.sadly()6.Thecomputerisconnected_______amachine.A.atB.toC.onD.in()7.Ourheadteacheriskindtousandsheislikeourmother,_____.A.onthewayB.bythewayC.inawayD.intheway()8.________youshowmethewaytothenearestundergroundstation?A.mayB.mustC.canDshould()9.Electricity__________ourlifeeasier,Wemustsaveit.A.makeB.makesC.ismakingD.made()10.Jasonputsomericeinthepotand__________thericecooker.A.openedB.switchedonC.closedD.turnedoff()11.Iwashedalotofclothes.Whocan_______?A.tidyupthemB.tidythemupC.tidyitupD.tidyupit()12.Iaskedhimtwice.Buthedidn’t______myquestions.A.answersB.answertoC.replyD.replyto()13.Thereare_________syllablesintheword“chemical”.A.twoB.threeC.fourD.eight()14.—Jon:MayIhaveapacketofsweets?—Shopassistant:________________A.No,itisnotyoursB.OK,hereyouareC.That’sagoodideaD.Whynot?()15.EarthHourstartedin2007in________.A.theUSAB.ChinaC.theUKD.Australia二，用同义词（组）替代句中的划线部分。1．“Idon’tthinkitisagoodwaytoworkouttheproblem.”repliedMrWhite.A.saidB.answeredC.askedD.thought2.Don’tlooksofoolish.Itisaveryeasyquestion.A.sillyB.happyC.clever3.----CanIaskyouaquestion?----Waitforamoment,I’mcoming.A.alongtimeB.ashorttimeC.atonce4.Theboyislikehisfather.A.likesB.soundslikeC.lookslike5.Youneedn’tfinishtheworktoday.A.don’thavetoB.can’tC.mustn’t三，完形填空ElectricityElectricityisverydangerous.(1),itisalsovery(2)inaway.We(3)seeelectricity,butwecan(4)itintodifferent(5)ofenergy,（6）movementenergy,heatenergy,soundenergy,lightenergyandso(7).Electricityisaverygreat(8).Itchangesourlives.(9)it,ourliveswillbevery（10）.1.()A.OrB.AndC.ButD.So2.()A.hardlyB.usefulC.beautifulD.difficult3.()A.canB.mayC.maynotD.can’t4.()A.putB.getC.turnD.make5.()A.formB.fromC.fromsD.forms6.()A.likesB.suchasC.forexa