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129Seventymilesanhour一本课重点：1语法重点：情态助动词must/can’thavebeen2重点句型：Wheredoyouthinkyouare？/That’swhy……二词汇精讲1wavev.招手，挥手Thepolicemaniswavingtoyou.Shewavedmegoodbye.她向我挥手告别。飘扬，摆动Theflagiswavinginthewind.旗帜在风中飘扬2trackn．轨道racetrack赛车道/跑马场railwaytracks铁轨Acowstoodontherailwaytracks.[美国英语]田径运动；径赛运动trackandfield田径，田径赛3mailseventymilesanhour每小时七十公里4overtakev.超车Hespeedupandovertooktheredcaratlast.赶上,超越Noonecouldovertakehim.没人能超越他overtakesb.赶上/超过某人5speedlimit最高速度，车速限制speedup加速atthe/aspeedofthirtymilesanhour以每小时三十公里的速度6dreamv.做梦，梦到Idreamedaboutmygrandmotherlastnight.梦想，幻想dreamofdoingsth.梦想做某事Heoftendreamsofbecomingapilot.思想开小差Youmustbedreaming.n．梦Sweetdreams!梦想Hisdreamcametrueatlast.7sign标志，记号trafficsign手势，姿态Thissignmeanskeepingquiet.8drivinglicense驾照8charge罚款chargesbsomemoney罚（某人）款Thepolicemanchargedhim100yuan.要价，收费chargesb.somemoneyforsth.某物要价多少Theychargedme50yuanforacupofcoffee.他们一杯咖啡要五十块inchargeof管理，负责HeisinchargeofgroupA.让他负责A组。9darling二课文精讲1Look,Gary!Thatpoliceman'swavingtoyou.Hewantsyoutostop.Wavetosb.向某人挥手2Wheredoyouthinkyouare?Onaracetrack?Doyouthink是插入语，用于征求意见或表达看法。Whodoyouthinkyouare?你以为你是谁？Whatdoyouthinkyoucando?你以为你还能干什么？Onaracetrack?(Doyouthinkyouareonaracetrack?)3Youmusthavebeendrivingatseventymilesanhour.Ican'thavebeen.介词atatthespeedofseventymilesanhour.Must/can’thavebeen+n./adj/ving表示对过去事情的猜测，4IwasdoingeightywhenIovertookyou.doing在这里表示以……的速度行进5Didn'tyouseethespeedlimit?I'mafraidIdidn't,officer.否定疑问句，回答？6Imusthavebeendreaming.Musthavebeen+ving表示对过去正在进行的事情的猜测和判断7Iwastellinghimtodriveslowly.过去进行时态，在这里是加强语气，强调“我一直在告诉他”Tellsbtodosth.告诉某人做某事例：Tellhimtostop./tellhimtocomehere.8That'swhyIdidn'tseethesign.That’why……所以，用于解释原因That’swhyIwaslate./That’swhyIamsoangry.9Letmeseeyourdrivinglicense.Letsbdosth.让某人做某事例：Letmehaveanotherlook.让我再看一眼。10Iwon'tchargeyouthistime.Butyou'dbetternotdoitagain!charge罚款You’dbetterdosth.最好做某事，否定句You’dbetternotdosth.例：You’dbettercomebackearly./You’dbetternottellhimthetruth.11Thankyou.I'llcertainlybemorecareful.Certainly一定，必定/（回答）当然可以，没问题MayIuseyourpencil?-Certainly.Careful的比较级和最高级careful-morecareful-themostcareful同类多音节词:important/difficult/beautiful12Itoldyoutodriveslowly,Gary.Slowly副词，在这里修饰动词drive。Slowly的反义词：quickly13Well,nexttimeyou'dbettertakemyadvice!last/this/nexttimetakeone’sadvice听从劝告四：语法Must/can’tbe/havebeenMustbe和can’tbe表示对现在和将来事情的猜测和推断Musthavebeen和can’thavebeen表示对过去正在进行的事情的推断和猜测Must/can’tbe/havebeen后面可以加n./adj/ving例：Hedidn’tcometoworkyesterday.Hemusthavebeenill.Shedidn’thearthephone.Shemusthavebeensleeping.Shewasinmyhouseatthattime.Shecan’thavebeenatschool.