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1、新概念第一册85-86Whatisthedistancebetweenthefirstletterandthelastletterof“smiles”?此题答案是：Onemile.问的是smiles这个单词中，第一个字母和最后一个字母之间的距离有多长，即除去第一个和最后一个字母s，剩下的是mile。Whatofusgoesupandnevercomesdown?OurageI.Revision:TextinL83-84CAROL:Hello,Sam.Comein.TOM:Hi,Sam.We're
2、havinglunch.Doyouwanttohavelunchwithus?SAM:No,thankyou.Tom.I'vealreadyhadlunch.Ihadathalfpasttwelve.CAROL:Haveacupofcoffeethen.SAM:I'vejusthadacup,thankyou.Ihadoneaftermylunch.TOM:Let'sgointothelivingroom,Carol.Wecanhaveourcoffeethere.CAROL:Excuset
3、hemess,Sam.Thisroom'sveryuntidy.We'repackingoursuitcases.We'regoingtoleavetomorrow.TomandIaregoingtohaveaholiday.SAM:Aren'tyoulucky!TOM:Whenareyougoingtohaveaholiday,Sam?SAM:Idon'tknow.I'vealreadyhadmyholidaythisyear.CAROL:Wheredidyougo?SAM:Istayeda
4、thome!I.Revision:I.Revision:GrammarpointsinL83-84ThePresentPerfectTense（现在完成时）（1）现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果,也可表示过去已经开始,一直延续到现在的动作或状态。（2）构成:主语+have/has+过去分词+其他。(当主语是第三人称单数时用has,其余人称用have。过去分词:规则动词的过去分词构成与动词过去式相同;不规则动词需要特殊记忆。)否定式:主语+haven’t/hasn't+
5、过去分词+其他。疑问式:Have/Has+主语+过去分词+其他?简略答语:Yes,主语+have/has.(肯定)No,主语+haven’t/hasn't.(否定)（3）一般现在完成时通常与表示不确定的时间副词或短语连用如just,already,before,never,ever,twice,threetimes等。（4）现在完成时在汉语中常用“了”、“过”或“已经”来表示。I.Revision:Nowlet'sdosomeexercises:I.Fillintheblankswiththec
6、orrectanswers:()1.___,Mum.I’mlookingformytoycar.A.ExcusethemessformeB.ExcusemessC.ExcusemewiththemessD.Excusethemess()2.A:Billy,goanddoyourhomework.B:Oh,Mum.Ihave___finishedmyhomework.A.yetB.everC.alreadyD.never()3.I___aholidaynextmonth.A.amgoingtoha
7、veB.havehadC.haveD.had()4.A:Haveyou___yourlunch?B:Yes,I___itanhourago.A.have;hadB.had;haveC.had;hadD.have;have()5.A:Didyoureadthebooklastnight?B:No,I____itthreetimes.A.havereadB.wasreadingC.havereadedD.readedDCACAI.Revision:Nowlet'sdosomeexercises:II
8、.Completethesentenceswiththewordsgiveninthecorrectform.1.ThisisthefirsttimeIhave______(be)inAustralia.2.Mybrother__________(write)aletteratthemoment.3.Tom_____(do)hishomeworkjustnow,butnowhe___________(finish)already.4.Mayoften______(go)shoppingonFri
