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1、Unit8ItmustbelongtoCarla.SectionAGrammarFocus4cItcouldbe_.Italsomightbe_.Canyouguesswhatitis?threebirdsabeautifulface课前预习Canyouguesswhatitis?Itcouldbe_.Italsomightbe_.awhitevasetwofaces课前预习Itcouldbe_.Italsomightbe_.Canyouguesswhatitis?adogtwogirls课前预习CouldAbebiggerthanB?Infact,AandBmustbe_.Whichonei
2、sbigger,AorB?ABthesamesizeNo.课前预习Whosevolleyballisthis?ItmustbeCarlas.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMeishairband.OritmightbelongtoLinda.Theybothhavelonghair.Whatdidyouseethatnight?Imnotsure,butitcantbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.GrammarFocusUse“must”toshowthatyouth
3、inksomethingisprobablytrue.Use“might”or“could”toshowthatyouthinksomethingispossiblytrue.Use“cant”toshowthatyouarealmostsuresomethingisnottrue.GrammarFocus表示推测的情态动词有表示推测的情态动词有must,may,could,might,can。(1)must表示说话人对事物的推测可能性的程度非常大，表示说话人对事物的推测可能性的程度非常大，意为意为“一定；准是一定；准是”；表示有把握的否定推测时用表示有把握的否定推测时用cant，意意为为“不
4、可能不可能”。如：。如：1.Icantfindmykeys.Imusthaveleftthemathome.2.-IssheMary?-Thatcantbeher.Shesinhospital.GrammarFocus(2)can表示表示“可能可能”，常用于否定句、疑问句中，常用于否定句、疑问句中。could为为can的过去式，表示推测的语气较的过去式，表示推测的语气较can弱。弱。如：如：-Canthemantherebeourmathteacher?-Hemaybe,butIamnotsure.GrammarFocus(3)may意为意为“也许也许”。might为为may的过去式，的过去式
5、，表示说话人对现在或将来不太确定的可能性的推测。表示说话人对现在或将来不太确定的可能性的推测。如：如：LiMingmightgethereintime,butIamnotsure.GrammarFocus意思意思推测程度推测程度must一定，肯定一定，肯定100%的可能性的可能性maymight/could有可能，有可能，也许也许20%-80%的可能性的可能性cant不可能，不可能，不会不会可能性几乎为零可能性几乎为零1.Whossinginginthenextroom?It_beher.ShehasgonetoNewYork.A.cantB.mustC.shouldntD.can【解析解析】
6、考查情态动词表推测。表示否定推测时，考查情态动词表推测。表示否定推测时，用用cant，意为，意为“一定不一定不”。must表示推测时，表示推测时，意为意为“一定一定”，用于肯定句；根据答语，用于肯定句；根据答语“她已她已经去了纽约经去了纽约”可知是否定推测，故选可知是否定推测，故选A。例题解析A2.WhoseT-shirtisthis?It_beJohns.Its_smallforhim.A.cant;muchtooB.cant;toomuchC.mustnt;muchtooD.mustnt;toomuch【解析解析】情态动词的用法。根据句意情态动词的用法。根据句意“它不可能是约翰的，它不可能
7、是约翰的，对他来说太小了。对他来说太小了。”故排除故排除C、D，toomuch为为“太多太多”的的意思，意思，muchtoo为为“太太”。故选。故选A。例题解析3.Whereareyougoingthismonth?We_gotoXiamen,butwerenotsure.A.needntB.mustC.mightD.mustnt【解析解析】neednt(不必不必)表建议；表建议；must(一定一定)表猜测的可表猜测的可能性很大；能性很大；might(可能，也许可能，也许)表不是很肯定的猜测。表不是很肯定的猜测。mustnt(不允许不允许)表命令。句意：表命令。句意：-这个月你们将去哪？这个月
8、你们将去哪？-我们或许去厦门，但还不确定。我们或许去厦门，但还不确定。C例题解析4.-Haveyoudecidedwheretogoforyoursummervacation?-Notyet.We_gotoQingdao.Itsagoodplaceforvacation.A.mayB.needC.must【解析解析】句意：句意：-你已经决定到哪里过暑假了吗？你已经决定到哪里过暑假了吗？-还没还没有呢，我们也许去青岛，那是个度假的好地方。情态动词表有呢，我们也许去青岛，那是个度假的好地方。情态动词表示推测时，示推测时，may表表“可能可能”，must表表“一定一定”，cant表表“不不可能可能”
9、。A例题解析1.A:WheresJean?B:Imnotsure.She_(is/mightbe/mustbe)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_(mustbe/cantbe/couldbe)hotoutdoors.4aChoosethebestwaytocompleteeachsentenceusingthewordsinthebrackets.mightbemustbePractice3.A:Thatsthephone.B:Hmm.Iwonderwhoit_(mustbe/couldbe/
10、shouldbe).4.A:IwonderiftheseareJimsglasses.B:They_(cantbe/mightbe/couldbe)his.Hedoesntwearglasses.5.A:Ihearwaterrunninginthebathroom.B:It_(couldbe/mustbe/cantbe)Carla.Shewasthinkingoftakingashower.couldbecantbemustbePractice4bCompletetheseresponses1.A:Manypeoplearewearingcoats.B:Theweathermustbe_.2.
11、A:Sallyhasbeencoughingalot.B:Shemightbe_.3.A:Thisrestaurantisalwayscrowed.B:Thefood_.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcant_.beinterestingcoldillmustbedeliciousPractice4cLookatthispictureofaroom.Howmuchcanyoutellaboutthepersonwholiveshere?Isitaboyoragirl?Whatarehis/herhobbies?Discussyou
12、rideaswithapartner.A:Itcouldbeagirlsroombecauseitsverytidy.B:Iguessso.Butitmightbeaboysroombecausetheclotheslooklikeboysclothes.PracticeUnit8ItmustbelongtoCarla.SectionB（1a-1d）What is it?课前预习UFOunidentifiedflyingobject不明飞行物，飞碟不明飞行物，飞碟课前预习HaveyouheardaboutUFOoraliens?Howdoyouthinkofthem?Doyoulikethem
13、?课前预习1aLookatthepictures.Thenusethewordsintheboxtowriteasentenceabouteachpicture.landmanUFOrunalienrunafterpractice1a.AUFOislanding.practice b.b.ThealienisThealienisrunningafterrunningafter theman.theman.bpracticec.c.ThemanisThemanisrunningrunning.practicecWhatdoesthemanlooklike?Howdoeshefeel?Why?De
14、scribethepictures.1b Listenandnumberthepictures1-3in1a.Thenwritetwoorthreesentencestofinishthestory.231practice1c Listenagain.Completethesentences.They seeThe man says The womansays 1.amanrunning.hemightbe_hecouldbe_2.somethinginthesky.itcouldbe_itmustbe_3.somethingstrange.itmustbe_Imustbe_4.awomanw
15、ithacamera.shecouldbe_theymustbe_ahelicopteraUFOanaliendreamingfromtheTVnewsmakingamovierunningforexerciselateforworkpractice1.AUFOislanding.landv.着着陆陆；靠岸；靠岸Theymanagedtolandtheairplanesafely.他他们们想方想方设设法使法使飞飞机安全着机安全着陆陆。WelandedattheairportinBeijing.我我们们降落在北京机降落在北京机场场。课文解析2.Heswearingasuit.suitn.西服；套
16、装西服；套装Thatsuitcostmeover600yuan.那件西服花去我那件西服花去我600多元。多元。Mybrotherworeanewsuitfortheparty.我哥哥穿一身新西服去参加晚会。我哥哥穿一身新西服去参加晚会。课文解析suitv.适合，适宜于适合，适宜于suitsb.fine/well很适合某人很适合某人Bluesuitsherverywell,Ithink.我我认为蓝认为蓝色很适合她。色很适合她。注意注意fit作作动词动词,意意为为“合适合适”,但常用于指大小、尺寸合适但常用于指大小、尺寸合适;suit指指颜颜色或款式适合。色或款式适合。Thecoatdoesntf
17、itme.这这件上衣我穿着不合身。件上衣我穿着不合身。Thisdresssuitsyoubeautiful.这这件衣服你穿非常合适。件衣服你穿非常合适。知识拓展1d Roleplaytheconversationbetweenthemanandwoman.A:Whydoyouthinkthemanisrunning?B:Hecouldberunningforexercise.A:No,heswearingasuit.Hemightberunningtocatchabustowork.practice A:Whydoyouthinkthemanlooksscared?B:Theremightbe
18、somethingstrange.A:Yes,thereisanalieninfrontofthecar.看看图图完成句子完成句子1.The_ _ islanding.2.Hewearsanew_today.3.Doyouwanttomakefriendswiththe_?Itlooksfriendly.UFOsuitalien完成句子完成句子1.他没赶上校他没赶上校车车，可能上学要，可能上学要迟迟到了。到了。Hedidntcatchtheschoolbus.Hemight_forschool.2.那些警察可能在追小那些警察可能在追小偷偷。The policemen might _ _afte
19、rthethief.belateberunning3.他他们们一定是在一定是在举办举办聚会。聚会。They_aparty.4.她她说说她梦她梦见见了外星人。了外星人。Shesaidshe_thealien.5.她看起来有点儿害怕，她她看起来有点儿害怕，她发发生了什么事？生了什么事？She looks kind of scared.Whats _her?mustbehavingdreamedofhappeningto根据汉语完成句子根据汉语完成句子,每空一词。每空一词。1.你认为那个人为什么在跑呢你认为那个人为什么在跑呢?_themanisrunning?2.他每天早上爬山的目的是为了得到锻炼。他每天早上爬山的目的是为了得到锻炼。Heclimbsmountainseverymorning_.Whydoyouthinkforexercise