八年级英语下册 Unit 7 What’s the highest mountain in the world Section A Period 3课件 .ppt

Unit 7 Whats the highest mountain in the world?SectionAPeriodThreeoceanthePacificOceann.大海；海洋大海；海洋n.太平洋太平洋WordsreviewTolearntousecomparatives andsuperlatives with adjectives and adverbsTolearnnewwords:the Pacific OceanCan you translate the following sentences?长江大约长长江大约长6,300千米。千米。TheYangtzeRiverisabout6,300kilometerslong.Can you translate the following sentences?黄河长黄河长5,464千米。千米。TheYellowRiveris5,464kilometerslong.Can you translate the following sentences?明朝的长城大约有明朝的长城大约有8,850千千米长。米长。TheGreatWallinMingdynastyisabout8,850kilometerslong.Can you translate the following sentences?珠穆朗玛峰高珠穆朗玛峰高8,844.43米，米，所以攀登起来很危险。所以攀登起来很危险。Qomolangmais8,844.43metershighandsoisverydangeroustoclimb.TheYangtzeRiverisabout6300kilometerslong.TheYellowRiveris5464kilometerslong.TheGreatWallinMingdynastyisabout8,850kilometerslong.Qomolangmais8,844.43metershighandsoisverydangeroustoclimb.What can you get from the above four sentences?Now lets try to translate the sentences below:1.那个篮球运动员有两米高。那个篮球运动员有两米高。2.那条河只有两米深那条河只有两米深/宽。宽。3.这棵树有两米高。这棵树有两米高。4.那条河长两千米。那条河长两千米。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep/wide.Thetreeistwometerstall.Theriverisabouttwokilometerslong.5.这座山大约有两千米高。这座山大约有两千米高。6.这个箱子大约有两米高这个箱子大约有两米高/宽宽/长。长。Themountainisabouttwothousandmetershigh.Theboxisabouttwometershigh/wide/long.以上我们已经通过归纳总结和练习以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，对本课的语法内容有了一定的了解，下面就让我们根据下面就让我们根据之前练习的考察情之前练习的考察情况进一步选择讲解况进一步选择讲解该语法项的重难点。该语法项的重难点。长度、宽度、高度、深度的表示法长度、宽度、高度、深度的表示法老虎路有老虎路有200米长，而且湿度很重。米长，而且湿度很重。TigerPathis200meterslongandhasahighhumidity.长度、宽度、高度、深度的表示法，长度、宽度、高度、深度的表示法，有一个专门的结构，那就是有一个专门的结构，那就是“基数词基数词+单位词单位词+形容词形容词”Practise我们走上三层楼，大概我们走上三层楼，大概10米左右高。米左右高。Wewalkupthreefloors,whichisabouttenmetershigh.那面镜子有两米长。那面镜子有两米长。Themirroristwometerslong.教室有教室有25英尺长，英尺长，20英尺宽。英尺宽。Theclassroomwas25feetinlengthand20feetinwidth.2.除了以上的表示方法，有时也可以除了以上的表示方法，有时也可以用用“基数词基数词+单位词单位词+in+长度或者长度或者重量的名词重量的名词”来表示长度、宽度、高来表示长度、宽度、高度、深度。若表示度、深度。若表示重量重量，可以用，可以用inweight结构。结构。Practise这个箱子重这个箱子重9公斤。公斤。Theboxis9kilos.=Theboxis9kilosinweight.那座桥有三米高。那座桥有三米高。Thebridgeis3metersinheight.1)Qomolangmaishigherthananyothermountainintheworld.2)TheSaharaisthebiggestdesertintheworld.3)TheCaspianSeaisthedeepestofallthesaltlakes.4)TheNileisthelongestriverintheworld.5)Whatsthehighestmountainintheworld?6)Chinahasthebiggestpopulationintheworld.7)ItsalotbiggerthanthepopulationoftheUS.8)Chinaisover5000yearsold.IthasamuchlongerhistorythantheUS.9)ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.10)-DidyouknowthatChinaisoneoftheoldestcountriesintheworld?-Yes,Idid.Itsmucholderthanmycountry.11)Thismakesitthelongestwallintheworld.12)Itsthemostfamouspart.13)Oneoftheworldsmostdangeroussportsismountainclimbing,andoneofthemostpopularplacesforthisistheHimalayas.1)Qomolangmais_thananyothermountainintheworld.2)TheSaharais_desertintheworld.3)TheCaspianSeais_ofallthesaltlakes.4)TheNileis_riverintheworld.5)Whats_mountainintheworld?Fill in the blanks.higherthebiggestthedeepestthelongestthehighestgoReady?6)Chinahas_populationintheworld.7)Itsalot_thanthepopulationoftheUS.8)Chinaisover5000yearsold.Ithasa_historythantheUS.9)Chinaisalmostas_astheUS,anditisthe_countryinAsia.thebiggestbiggermuchlongerbigbiggest10)-DidyouknowthatChinaisoneof_countriesintheworld?-Yes,Idid.Its_thanmycountry.11)Thismakesit_wallintheworld.12)Its_part.13)Oneoftheworlds_sportsismountainclimbing,andoneof_placesforthisistheHimalayas.theoldestmucholderthelongestthemostfamousmostdangerousthemostpopularFillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_riversintheworld.Itsalittle_thantheYangtzeRiver.2.Qomolangmais8,848.43meters_.Itsoneofthemost_placesforseriousmountainclimbers.longestlongerhighpopularbigmuchpopularlongoldhigh3.Nooceanintheworldisas_asthePacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.bigoldermuchWritetwocomparisonsabouttwotopics.Writetruefacts.4bTwocities:SingaporeandKualaLumpur.1.KualaLumpurisasmodernasSingapore.2.SingaporeisbiggerthanKualaLumpurandhasalargerpopulationthanKualaLumpur.Twoanimals:MonkeyandDog1.Adogisbiggerthanamonkey.2.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.Pair work4cWritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1.Whatisthehighestbuildinginourcity?2.Whatisthelargestshoppingmallinourcity?3.Whichisthebiggestparkinourcity?4.Whichisthelongestroadinourcity?5.WhatsthebiggestcityinChina?.以上我们已经通过归纳总结和练习以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，对本课的语法内容有了一定的了解，下面就让我们根据下面就让我们根据之前练习的考察情之前练习的考察情况进一步选择讲解况进一步选择讲解该语法项的重难点。该语法项的重难点。形容词和副词的比较级和最高级形容词和副词的比较级和最高级1.大多数形容词和副词都有三个级。大多数形容词和副词都有三个级。1)原级原级:常用结构常用结构as.as.像像.一样一样2)ZhangHongisastallasTom.张红和汤姆一样高。张红和汤姆一样高。2)比较级比较级(用于用于两者之间的比较两者之间的比较)常用结构：常用结构：形容词比较级形容词比较级than.HeistallerthanI.他比我高。他比我高。Grammar 3)最高级最高级(用于用于三者或三者以上的比较三者或三者以上的比较)，常用结构常用结构:the+形容词的最高级形容词的最高级of/in.Heisthetallestofthethree.他是这三个人中最高的。他是这三个人中最高的。Heisthefunniestinhisclass.他是他们班最有趣的。他是他们班最有趣的。2.形容词、副词比较级和最高形容词、副词比较级和最高规则变化规则变化和和不规则变化不规则变化。a)规则变化规则变化b)1)一般情况下，一般情况下，单音节或双音节的形容单音节或双音节的形容词词（或（或副词副词）比较级比较级er，最高级最高级est如：如：clevercleverercleverestfewfewerfewestsmallsmallersmallest等。等。2)以以e结尾的词结尾的词，比较级比较级r，最高级最高级st即可。即可。如：如：nicenicernicestcutecutercutestlargelargerlargest3)以以辅音字母辅音字母y结尾的结尾的变变y为为ier或或est如如:easyeasiereasiesthappyhappierhappiest再如：再如：early,busy,heavy,dirty,lazy也也如此。如此。4)双写最后一个辅音字母双写最后一个辅音字母er或或est的词的词,同学要用心去记。同学要用心去记。1.fatfatterfattest2.2.thinthinnerthinnest3.3.hothotterhottest4.4.redredderreddest5.5.wetwetterwettest6.6.bigbiggerbiggest5)多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级比较级，themost构构成成最高级最高级。如：。如：beautifulmorebeautifulthemostbeautiful又如又如:delicious,popular,important,interesting,expensive,creative双音节双音节的词如的词如:carefulmorecarefulthemostcarefulusefulmoreusefulthemostuseful少数单音节词少数单音节词也是这样，如：也是这样，如：pleasedmorepleasedthemostpleasedtiredmoretiredthemosttiredb)不规则变化：不规则变化：goodbetterbestwellbetterbestbadworseworstmany,muchmoremostfarfartherfarthest(距离远距离远)farfurtherfurthest(程度深程度深)oldeldereldest(长幼长幼)oldolderoldest(年龄年龄)课时重点回顾课时重点回顾形容词及副词的原级、比较级和最高级。形容词及副词的原级、比较级和最高级。1.Whowouldyouliketobeyour2.assistant,JackorDavid?IfIhadtochoose,Davidwouldbethe_(good)choice.2.Howwasyourmathexam,Nancy?IthinkIdiditwell,althoughitwas_(difficult)thanthelastone.I.用括号内所给单词的适当形式填空。用括号内所给单词的适当形式填空。bettermoredifficult3.Didyouhaveawonderfultimeattheparty?Yes,itsthe_(exciting)oneIveeverbeento.4.IdliketoknowifLindaisthe5.second_(tall)girlinherclass.mostexcitingtallest5.Nowcomputersareverypopularandtheyaremuch_(cheap)thanbefore.6.Lookatthatmodelship.Oh,itlookslikearealone.Itsjustalittle_(small)thantherealone.cheapersmallerII.Multiple choice 1.Mybrotherhas_booksthanI.A.muchB.moreC.manyD.most2.Themoreyousmile,the_youwillfeel.A.happyB.happierC.happilyD.morehappily3.Wouldyoumindstayinginsuchanoisyroom?No,butmysonneedsa_placetostudyin.2011宁波宁波A.cleanerB.quieterC.saferD.smaller4.Theactressisalready50,butshelooks_thanshereallyis.2011广州广州A.youngB.moreyoungC.moreyoungerD.muchyounger5.Sheis_carefulasI,butIm_thanyou.2011潍坊潍坊A.asmuchcarefulB.somorecarefulC.asmuchmorecarefulD.soverycareful6.MrSmiththoughttheCenturyParkwasthesecond_inShanghai.2011上海上海A.largeB.largerC.largestD.verylarge7.Wecanjump_onthemoonthanontheearth.A.morehighB.muchC.highD.muchhigher8.Whenheheardthegoodnews,hefelt_.A.happierB.happiestC.happyD.happily9.The_heis,the_hefeels.A.busy;happyB.busiest;happiestC.busier;happierD.busy;happily10.IthinkEnglishisas_asmaths.A.importantB.moreimportantC.mostimportantD.importanter11.Whatdoyouthinkofthedress?Wonderful.IdontthinkIcanfinda_one.2011河南河南A.goodB.betterC.badD.worst12.Thatbuildingisabout100meters_.A.tallB.highC.tallerD.higher13.JoneSmithis_ofthetwoyoungmen.A.strongB.strongerC.thestrongerD.thestrongest14.Ourclassroomis_inthewholeschool.A.cleanestB.thecleanestC.cleanerD.thecleaner15.Iknowyouareshorterthanyourbrothers，butyourun_.【2013内蒙古呼和浩特内蒙古呼和浩特】A.morefasterB.fastestC.morefastD.fast16.Whoruns_,LilyorMichelle?【2013湖南株洲湖南株洲】A.slowB.slowerC.slowest17.OfalltheteamsinNBA,IthinktheLosAngelesLakersplayed_thisyear.【2010呼和浩特】呼和浩特】A.mostsuccessfullyB.themoresuccessfullyC.verysuccessfullyD.muchmore1.Jack是他们班最高的男生。是他们班最高的男生。Jack_boy_hisclass.2.我现在感觉比昨天好多了。我现在感觉比昨天好多了。I_much_thanyesterday.3.北京最好的季节是哪个？北京最好的季节是哪个？我觉得是秋天。我觉得是秋天。III.Put the following sentences into English.isthetallestinfeelbetterWhichisthebestseasoninBeijing?Ithinkitsautumn.1.DoesChinadevelop_(fast)ofallthecountriesintheworld?2.MybrotherJimmywrites_(careful)inhisclass.3.Whichshirtdoyoulike_(good),thewhiteoneortheblueone?4.Tomfinisheshiswork_(quick)thanJim.1.DoesChinadevelop_(fast)ofallthecountriesintheworld?2.MybrotherJimmywrites_(careful)inhisclass.3.Whichshirtdoyoulike_(good),thewhiteoneortheblueone?4.Tomfinisheshiswork_(quick)thanJim.1.DoesChinadevelop_(fast)ofallthecountriesintheworld?2.MybrotherJimmywrites_(careful)inhisclass.3.Whichshirtdoyoulike_(good),thewhiteoneortheblueone?4.Tomfinisheshiswork_(quick)thanJim.fastestthemostbettermorequicklycarefullyIV.用括号内所给单词的适当形式填空。用括号内所给单词的适当形式填空。Homework1.Reviewthenewwordsandexpressions.2.2.Trytowriteasmanysentencesasyoucanusingcomparisons.(10sentencesatleast)TopreviewthenewwordsandexpressionsTopreviewthefactsoftheelephantandpanda