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Unit6Electricity,第3課時Grammar,Module3Naturalelements,廣東學(xué)導(dǎo)練七年級下冊配上海教育版,選擇填空（）1.—Mum,__________IvisittheModernArtMuseumnextMonday?—I’mafraidyoucan’t.AllthemuseumsinthiscityareclosedonMonday.(2016廣東）A.wouldB.needC.shouldD.may（）2.—IsthatboyTom?—It__________beTom.Hehasgonetohishometowntovisithisgrandparents.(2016銅仁）A.canB.can’tC.mustD.mustn’t,D,B,（）3.—Whatwilltheweatherbeliketomorrow?—It__________berainy,cloudyorsunny.Whoknows?(2016鄂州）A.mustB.mightC.shouldD.can’t（）4.—MustIcleantheroomnow,Mum?—No,__________.(2016邵陽）A.youmustn’tB.youneedn’tC.youcan’t（）5.—Excuseme,__________Itakethemagazineoutofthereadingroom?—Sorry,youcan’t.Justhere,please.(2016淮安）A.mustB.wouldC.mayD.need,B,B,C,情態(tài)動詞can，may,must的用法1.can的用法（1）表示能力，一般譯為“能；會”，即有某種能力。如：Shecandrive,butIcan’t.她會開車，但我不會。（2）表示許可，常用在口語中，相當(dāng)于may。如：CanIuseyourmobilephone?我可以用你的手機(jī)嗎？（3）表示推測，意為“可能”，常用于否定句和疑問句中，此時can’t譯為“不可能”。如：—CanitbeMary?會是瑪麗嗎？—No,itcan’tbeher.ShehasgonetoShanghaionbusiness.不可能是她。她去上海出差了。,（4）could是can的過去式，意為“能；會”，表示過去的能力。如：Hecouldplaythepianowhenhewas5.當(dāng)他5歲時，就會彈鋼琴了。（5）在表示請求許可時，can，could沒有時態(tài)區(qū)別，只是could在語氣上更加委婉客氣。如：—CouldIuseyourdictionary?我可以用你的字典嗎？—Yes,youcan.可以。2.may的用法（1）表示請求、許可。如：MayIborrowyourbike?我可以借你的自行車嗎？,（2）表示推測，談?wù)摽赡苄?，意為“可能；或許”，一般用于肯定句中。如：Itmayraintomorrow.明天可能會下雨。（3）may的過去式為might，表示推測時兩者無時態(tài)區(qū)別，不過might的可能性低于may。如：Hemightbesick.他可能是生病了。（4）表示希望、祈求、祝愿時，may常譯為“祝愿”，通常結(jié)構(gòu)為“may+主語+動詞原形+其他”。如：Mayyouhaveagoodtime！祝你玩得開心！,3.must的用法（1）must意為“必須；一定”。如：MustIhandinmyhomeworktoday?我今天必須交作業(yè)嗎？（2）must的否定形式mustn’t意為“一定不要；千萬別”或“禁止；不許”。如：Youmustn’tmakenoiseinthelibrary.你一定不要在圖書館吵鬧。（3）對must引導(dǎo)的疑問句，肯定回答用must，否定回答用needn’t或don’thaveto。如：,—MustIreturnthebooktohimtoday?我今天必須把書還給他嗎？—Yes,youmust./No,youneedn’t（don’thaveto）.是的，必須要還。/不，你不必。（4）must可以表示很有把握的推測，意為“一定會；肯定會”，只用于肯定句中。如：HewontheprizeintheEnglishcompetition.HisEnglishmustbeverygood.他在英語競賽中獲獎了。他的英語一定很好。,一、用can,can’t,may,must,mustn’t填空1.—What__________Idoforyou?—Iwantsomebananas.2.Tom__________rideabike,buthecandriveacar.3.Youareill,Tom.You__________seeadoctor.4.Children__________playbasketballinthestreet.5.Ifyouarenotcareful,acar__________hityou.6.—__________Icomein?—Yes,youmay.Comein,please.7.Ablindman______seeanything.,can,can’t,must,mustn’t,may,May,can’t,二、按要求完成下列句子1.MayIgotoplayfootballwithmyfriends,Dad?（作否定回答）No,______________________________.2.Daisycanrepairthemachine.（改為否定句）Daisy__________repairthemachine.3.Youmustdothingslikehim.（改為否定句）You_________________________thingslikehim.,you,may,not,can’t,can’t/mustn’t,do,三、語法填空Newenergyinthetwenty-firstcenturyEnergyfromthewindWindis1._________kindofcleanenergy,andthere2._________（be）lotsofit.But,3._________there’snowind,thereisnowindenergy.EnergyfromthewaterWhenwatermoves4._________ahighplacetoalower（較低的）place,itcanmakeelectricitywithout5._________（pollute）.However,peoplehavetobuilddams（水壩）6._________（use）thisenergy,andbuildingdamsisvery7._________（expensively）.,a,is,if,through,pollution,touse,expensive,EnergyfromtheSunSolarpanels（太陽能電池板）ontheroofs（屋頂）ofhousescanturnenergyfromtheSuninto8._________（electric）.Solarpoweriscleanandplentiful（豐富的）.9._________whentheweatherisbad,it10.___________（notwork）.,electricity,But,doesn’twork,一、選擇填空（）1.—________Ifinishtheworknow?—No,you________.Youcanfinishittomorrow.A.May;mustn’tB.Must;needn’tC.Can;mustn’t（）2.—DoIhavetocomebacktomorrow?—Yes,you________.A.canB.mayC.must（）3.IhavetopractisemyoralEnglisheverydaybecauseI________speakEnglishwell.A.maynotB.shouldn’tC.can’t,B,C,C,（）4.—________Icomein,sir?—Ofcourse,youcan.A.MustB.MayC.Will（）5.—Idon’tknowwhathedoes.Doyouknow?—Iguesshe________beadoctor.A.canB.mayC.must（）6.Theflowerslook________.Iwillbuysome.A.niceB.nicelyC.bad（）7.Askthepolicemanoverthere.He________knowthewaytotheScienceMuseum.A.hastoB.couldC.may,B,B,A,C,（）8.John,youneedn’tworktoday.You________doittomorrowifyouaretired.A.mustB.mayC.can’t（）9.—Who’sthatwomanwithAnn?—I’mnotsure.It________behermother.A.mustB.canC.may（）10.ManypeoplelikeJayChoubecausehe________writebeautifulmusic.A.canB.mayC.must（）11.—Mum,________Iplayfootballthisafternoon?—Sure,butyou________finishyourhomeworkfirst.A.may;couldB.can;mustC.may;can’t,B,C,A,B,（）12.—IsMrBrowndrivinghere?—I’mnotsure.He________comebytrain.A.mayB.shallC.need（）13.—Manypeopleplaywithmobilephonesalldayinsteadofreadingbooks.—That’stoobad.Everyone________beabooklover.Readingismoreenjoyable.A.mayB.shouldC.would（）14.—Whereareyougoingthismonth?—We________gotoXiamen.butwe’renotsure.A.needn’tB.mightC.must,A,B,B,,（）15.—Pleasebequiet.Ourteacheriscoming.—It________beourteacher.ShehasgonetoBeijing.A.mustB.mayC.can’t二、選詞填空cancan’tmustmustn’tmay1.Mary__________speakthreelanguages.2.__________/__________Ismokeinthisroom?3.__________yousucceed!4.You’reTom’sgoodfriend,soyou__________knowwhathelikesbest.5.I__________liftthebox.Itistooheavyforme.,C,can,Can,May,May,must,can’t,6.Everythingiscleanandtidy.Someone__________havecleanedmyroom.7.He__________cometomorrow,butIamnotsure.8.You__________playwithfire.Itisdangerous.9.—__________itbetrue?—No,it__________betrue.10.You__________gooutaloneatnight.三、語法填空Electricitymakesourlives1.__________(easy)thanbefore.Weusealotofelectricalappliances2.__________ourhouseseveryday.Here3.__________(be)threeofthem.Howcanweusethem4.__________(safe)?,must,may,mustn’t,can,can’t,mustn’t,easier,in,are,safely,Whenweusethericecooker,weshouldkeeptheoutsideofthepotdry.Donotswitchthericecookeron5.__________/__________thepotisempty.Whenweusethewashingmachine,weshouldnotputourhandinitwhenitis6.__________.Whenwearenotusingit,weshould7.__________(plug插上插頭)it.Whenweusethemicrowave,weshouldnotturnitonwhenitisempty8.__________itmightstartafire.Weshouldstandatleast9.__________(first)metreaway10.__________themicrowavewhenitison.Beforeweputanobjectinit,makesureitismicrowavesafe.,when,if,on,unplug,because,one,from,