八年级英语上册 Unit 5 what’s the highest mountain in the world？（第3课时）名师课件 鲁教版五四制.ppt

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1、Period3Whatsthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.ItsmucholderthantheUS.大多数形容词有三个级。

2、1.原级:Structure:as.as.像.一样e.g.TimisastallasTom.2.比较级(用于两者之间的比较):Structure：形容词比较级than.e.g.Thisboxisbiggerthanthatone.3.最高级(用于三者或三者以上的比较):Structure:the+形容词的最高级of/in.e.g.Tomistheheaviestinourclass.Heisthemostpopularinourschool.规则变化1)一般情况下，单音节或双音节的形容词/副词比较级er，最高级est。如:clevercleverercleverestfewfewerfewes

3、tsmallsmallersmallest等。2)以e结尾的词，比较级r，最高级st即可。如：nicenicernicestcutecutercutestlargelargerlargest3)以辅音字母y结尾的变y为ier或est如:easyeasiereasiesthappyhappierhappiest再如：early,busy,heavy,dirty,lazy也如此。4)重读闭音节，单辅音结尾的，双写这个辅音字母er或est的词：fatfatterfattestthinthinnerthinnesthothotterhottestredredderreddestwetwetterwet

4、testbigbiggerbiggest5)多音节和部分双音节的词需要在形容词原级前more构成比较级，themost构成最高级。如：beautifulmorebeautifulthemostbeautiful又如:delicious,popular,important,interesting,expensive,creative双音节的词如:carefulmorecarefulthemostcarefulusefulmoreusefulthemostuseful少数单音节词也是这样，如：pleasedmorepleasedthemostpleasedtiredmoretiredthemost

5、tiredb)不规则变化：goodbetterbestwellbetterbestbadworseworstmany/muchmoremostfarfartherfarthest(距离远)farfurtherfurthest(程度深)oldeldereldest(长幼)oldolderoldest(年龄)1.三者或三者以上相比，表示最高程度时，用“the+最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。例如：ZhangHuaisthetallestofthethree.Heworks(the)hardestinhisclass.2.最高级可被序数词以及much，byfar，near

6、ly，almost，bynomeans，notquite，notreally，nothinglike等词语所修饰。例如：Thishatisbyfarmuchnearlyalmostnotnearlybynomeansnotquitenothinglikethebiggest.Howmuchdidthesecondmostexpensivehatcoat?3.表示“最高程度”的形容词，如excellent，extreme，perfect等，没有最高级，也不能用比较级。4.形容词最高级修饰作表语或介词宾语的名词、代词时，被修饰的词往往省略。e.g.Heisthetallest(boy)inhisc

7、lass.5.作状语的副词最高级前可以不加定冠词。e.g.Ofalltheboyshecame(the)earliest.1.比较级考点比较级修饰问题alittle,abit,even,still,much,alot,far等可修饰比较级。e.g.TomisalittletallerthanJim.Thisbookismuchmoreinterestingthanthatone.同级比较e.g.TheweatherinBeijingiscolderthanthatinXian.Ourschoolisbiggerthanyours.the+比较级e.g.Lucyisthefatterofthet

8、wogirls.“a/an+比较级”表示“又一，再一”e.g.Lilyhasadoll,butshewantsabiggerone.隐性比较（没有than的情况）e.g.Whorunsfaster,LucyorLily?Youdbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharderthisterm.越来越.a.比较级+and+比较级b.the+比较级+句子，the+比较级+句子a.e.g.Itsgettingcolderandcolder.Themoreyouexercise,thebetteryouare.2.最

9、高级考点说明：形容词的最高级前必须加the；副词的最高级前省略the。范围问题e.g.Tomisthetalleststudentintheclass.Springisthebestseasonoftheyear.“.之一”问题e.g.Beijingisoneofthebiggestcitiesintheworld.“the+序数词+最高级”e.g.Ithinkheisthesecondtallestboyinhisclass.3.比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentinth

10、eclass.=Tomistallerthanalltheotherstudentsintheclass.=NootherstudentsaretallerthanTom.总结：anyother+名词单数theother+名词复数否定+比较级=最高级比较级+极限=最高级同级比较as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.not+as/so+adj./adv.+ase.g.TonydidntrunsofastasCarter.1.Ourfamilyhasboughtacarsowecantravel_thanbe

11、fore.（2008陕西）A.mosteasilyB.lesseasilyC.easilyD.moreeasily2.Myfathertoldmeastorylastnight.Itis_oneIveeverheard.（2009陕西）A.thefunniestB.funniestC.funnierD.thefunnierDA3.The_friendsyouhave,the_youwillbe.（2010陕西）A.more,happyB.many,happyC.more,happierD.many,happier4.Whenheheardacryforhelp,heranoutas_ashec

12、ould.（2011陕西）A.hardlyB.quicklyC.finallyD.slowlyCB5.ThisplaceisnotbigenoughforLucysbirthdayparty.Weshouldfinda_one.（2012陕西）A.bigB.smallC.biggerD.smallerCFill in the blanks with the correct forms of the words in the box.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_riversintheworld.Itsalittle_th

13、antheYangtzeRiver.2.Qomolangmais8,844.43meters_.Itsoneofthemost_placesforseriousmountainclimbers.longestlongerhighpopular4a3.Nooceanintheworldisas_asthePacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.bigoldermuch太平洋n.大海；海洋Write two comparisons about two topics.Write true facts.Tworivers:_and_

14、4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiverTwocities:_and_1._.2._.Twoanimals:_and_1._.2._.Write five questions using comparisons.Then ask your partner your questions.1._2._3._4._5._4cWhatisth

15、ehighestbuildinginourcity?1.Sheis_than_.A.busier/usB.busier/weC.morebusy/usD.morebusy/we2.Janeis_thanBetty.A.lesstallerB.lesstallestC.lesstallD.notastall3.Chinais_countryintheworld.A.thethirdlargestB.thelargestthirdC.thethirdlargeD.athirdlargestBAA4.Whichis_seasoninBeijing?Ithinkitsautumn.A.goodB.be

16、tterC.bestD.thebest5.Whichis_,thesun,themoonortheearth?Themoonis.A.smallB.smallerC.smallestD.thesmallestDD6.IstudyEnglishas_asmybrother.A.hardB.harderC.hardest7.Whichis_,abicycleoracomputer?A.expensiveB.moreexpensiveC.themostexpensive8.TheYellowRiverisoneof_riversinChina.A.longB.longerC.thelongestAB

17、C1.Tomemorizetheimportantphrasesandsentences.2.Tomakesomesentencesusingasas,.timesthan,lessthan,morethan1、了解面对逆境，远比如何接受顺境重要得多2023/3/272023/3/273:47:15PM。2023/3/272023/3/27Monday,March27,20232、一般的伟人总是让身边的人感到渺小Monday,March27,20233:47:15PM3/27/20233:47:15PM15:47Mar-23。2023/3/272023/3/272023/3/273/27/20

18、233:47:15PM3、2023/3/27Mar-2327-Mar-234、昨天是张退票的支票27-Mar-233:47:15PM15:472023/3/272023/3/272023/3/27Monday,March27,20235、积极人格的完善是本，财富的确立是末27-3月-23。2023/3/272023/3/272023/3/272023/3/273/27/20236、昨晚多几分钟的准备3/27/20233:47:15PM27三月20232023/3/272023/3/272023/3/277、每一发奋努力的背，必有加倍的赏赐2023/3/27三月232023/3/272023/3

19、/272023/3/273/27/20238、业余生活要有意义，不要越轨。2023/3/272023/3/2727March20239、要及时把握梦想，因为梦想一死3/27/20233:47:15PM。2023/3/272023/3/272023/3/272023/3/2710、一个人的梦想也许不值钱，但一个人的努力很值钱。3/27/20233:47:15PM2023/3/2727-3月-2311、在真实的生命里，每桩伟业都由信心开始，并由信心跨出第一步。3/27/20233:47PM3/27/20233:47PM2023/3/272023/3/27谢谢大家谢谢大家1、每一个成功者都有一个开始

20、。勇于开始，才能找到成功的路2023/3/2715:472、成功源于不懈的努力，人生最大的敌人是自己怯懦。2023/3/272023/3/272023/3/273/27/20233:47:16PM3、每天只看目标，别老想障碍Monday,March27,2023。2023/3/272023/3/272023/3/27Monday,July19,202127-Mar-234、宁愿辛苦一阵子，不要辛苦一辈子2023/3/27。2023/3/272023/3/272023/3/27Monday,March27,20235、积极向上的心态，是成功者的最基本要素2023/3/27。2023/3/2720

21、23/3/272023/3/272023/3/273/27/20236、生活总会给你另一个机会，2023/3/273:47:16PM2023/3/272023/3/272023/3/277、人生就像骑单车，想保持平衡就得往前走21:19:482023/3/272023/3/273/27/20238、业余生活要有意义，不要越轨。2023/3/272023/3/2727March20239、我们必须在失败中寻找胜利Monday,March27,20232023/3/2710、一个人的梦想也许不值钱，但一个人的努力很值钱。3/27/20233:47:16PM2023/3/2727-3月-2311、在真实的生命里，每桩伟业都由信心开始，并由信心跨出第一步。3/27/20233:47PM3/27/20233:47PM2023/3/272023/3/27谢谢大家谢谢大家