八年级英语下册 Unit 7 What's the highest mountain in the world名师课件 （新版）人教新目标版.ppt

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1、Unit 7 Whats the highest mountain in the world?Part:Text Review&Knowledge TestPart:Key Words,Phrases&SentencesPart:Grammar FocusPart:Text Review&Knowledge TestReading Extention Mount Everest/Mt.QomolangmaMountEverest,alsoknownasMt.Qomolangma,isEarthshighestmountain.ItislocatedintheMahalangurHimalmou

2、ntainrangeinNepalandTibet,China.Itspeakis8,848metres(29,029ft)abovesealevel.ItisnotthefurthestsummitfromthecentreoftheEarth.ThathonourgoestoMountChimborazo,intheAndes.InTibet,QomolangmameansMotheroftheworld(大地之母，圣母峰).Date of QomolangmaElevation:8,848m(snowcap,1999,Nepal)8844.43m(rockhead,2005,China)

3、Prominence:Ranked1stLocation:SolukhumbuDistrict,SagarmathaZone,Nepal;TingriCounty,Xigaz,TibetAutonomousRegion,ChinaRange:MahalangurHimal,HimalayasCoordinates:275917N,865531EFirst ascent:29stMay1953,EdmundHillaryandTenzingNorgayNormal route:southeastridge(Nepal)Match the facts you know.SA1aGroup AGro

4、up Ba.Qomolangma1.8,844.43metershighb.TheSahara2.about9,600,000squarekilo-metersinsizec.TheCaspianSea 3.1,025metersdeepd.TheNile4.6,671kilometerslongPracticeFill in the blanks with the proper form.1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.4.Shew

5、orks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6.Ithinkturkeyis_(delicious)ofall.earliermore slowly more interesting the most carefully latestthe most deliciousExtention:Expression1.theworldshighestmountain/thehighestmountainintheworld世界最高的山2.thelongestriver最长的河thesecondlongestriver第二长

6、河3.thebiggestdesert最大的沙漠4.themostcommonanimals最普遍的动物5.themostpopulatedplace人口最密集的地方6.oneoftheoldestcivilizations/countries最古老的文明国家之一 Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore)Compare facts about these two animals.Use the la

7、nguage in the box to help you make sentences.SB1aTalk about pandas in your own words,as detail as possible.2aThepandaisthenationaltreasureofChinaanditisasymbolofpeace.A“nationaltreasure”issomethingthatisimportanttoacountryshistoryorculture.Ba2by panda Adult pandaColorpinkblackandwhiteFoodmilk(noteet

8、h)bambooWeight0.1to0.kilos100kilosLengtharound15cmlong150cmlongLifecanliveupto20to30yearsText analysis.2b-2c Para.Main Ideas1Thepandakeepersfeedpandas.2WhatLinWeithinksofherjob.3Thereasonsforfewerpandas.4Thewaysofsavingpandas.1.Thepanda_attheChengduResearchBaseareawakeveryearlyinthemorningto_breakfa

9、stforthebabypandas.2.In_,pandashavebecomeso_thattheyarenowasymbolofChina.3.Adultpandasdonothavebabiesvery_,andsomeofthebabiesonlyliveforashorttimebecauseof_.keepersprepareoftenillnessfactpopularComplete the sentences using words and phrases from the passage.2b-2c4.AspecialprograminChengduteaches_abo

10、utwhypandasare_andhowtosavethem.5.TheChinesegovernmentishelpingto_thepandas.Scientistsalsowanttobetter_thehabitsofpandas.childrenendangeredsaveunderstand1.Qomolangmais8,844.43metershigh.珠穆朗玛峰高8844.43米。TheCaspianSeais1,025metersdeep.里海深1025米。TheNileis6,671kilometerslong.尼罗河长6671千米。“数词数词+量词量词+long(dee

11、p/heavy/high/tall/thick/wide.)”，是英语中表示计量的方法。MyEnglishteacheris1.82meterstall.我的英语老师高一米八二。Part:Key Words,Phrases&Sentences长、宽、高还可以用复合形容词，即“数字+量词(单数)+long(deep/heavy/high/tall/thick/wide.)”表达，中间加连字符，常用作定语。Thisisaten-meter-widestreet,andthetrafficisbusy.这条路宽十米，交通繁忙。Practice1.黄河长5464千米。TheYellowRiveris5

12、,464_.2.死海约深392米。TheDeadSeaisabout392_.3.Themountainis1,500metershigh.(改为同义句)Itisa_mountain.kilometers long1,500-meter-highmeters deep2.Chinahasthebiggestpopulationintheworld.中国有世界上最多的人口populationn.人口(1)population作主语时，谓语动词常用第三人称单数；当表示人口的分数或百分数时，谓语动词用复数形式。SixtyninepercentofthepopulationinShenzhenaref

13、romotherprovinces.(2)表示人口多少，要用large/big和small。特指某一地区或国家的人口时,其前加定冠词the。Thepopulationofmyhometownissmall.我家乡的人口很少。(3)问某地人口多少用Whatsthepopulationof.或是Howlargeisthepopulationof.。Howlargeisthepopulationofyourcity?Whatisthepopulationofyourcity?Practice1._isthepopulationofyourcountry?A.HowmanyB.HowmuchC.Whi

14、chD.What2.Astimegoeson,theworldspopulationis_.A.moreandmoreB.largerandlargerC.smallerandsmallerD.fewerandfewerBD3.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。feel free是英语口语中一个常用表达。feel free to do sth.无需拘束去做某事我可以用一下你的卫生间吗？可以，请随意。CanIuseyourbathroom?Yes,feelfree.4.TheSaharais

15、thebiggestdesertintheworld.(1)形容词最高级前通常必须用定冠词the，副词最高级前可不用。使用最高级要将主语包括在比较范围内。序数词通常只修饰最高级。Tomisthetallestofthethreebrothersinhisfamily.Africaisthesecondlargestcontinent.(2)形容词most前面没有the，不表示最高级的含义，只表示“非常”。Itisamostimportantproblem.=Itisaveryimportantproblem.(3)最高级可用(by)far,much,nearly,mostly,almost修饰

16、。Thishatisnearly/almostthebiggest.*very可修饰最高级,但位置与much不同。Thisistheverybest.Thisismuchthebest.(4)否定词语+比较级，否定词语+so.as结构表示最高级含义。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.Practice.Complete the sentences.1.汤姆每天锻炼，身体比以前强壮多了。Tomexerciseseverydayandheis_thanbefore.2.现在学生有越来越多的作业。

17、Thestudentshave_homeworknow.3.你越努力学习,你取得的成绩就会越好。The_youstudy,_gradesyoucanget.more and morethe betterhardermuch stronger.Choose the best answer.1.Whichis_seasoninBeijing?Ithinkitsautumn.A.goodB.betterC.bestD.thebest2.Whichis_,thesun,themoonortheearth?Ofcourse,themoonis.A.smallB.smallerC.smallestD.th

18、esmallest3.TheairinBeijingisgettingmuch_nowthanafewyearsago.A.cleanB.cleanerC.cleanestD.thecleanestDBD4.Mobilephonesareverypopularnowandtheyare_thanbefore.A.cheapB.cheaperC.cheapestD.thecheapestB5.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这么大的人造物体了。as far as I know=sofarasIknow据我所知

19、as/sofarasIcanremember我记得as/sofarIcantell我能告诉你的as/sofarasIcansee在我看来AsfarasIcanremember,Jacksgottwinsister.我记得，杰克有一对孪生姐妹。Theyarenotcomingtoday,sofarasIknow.就我所知，他们今天不来了。man-madeadj.人造的hand-made手工制作的home-made家庭制作的machine-made机制的tailor-made量体定制的；特制的；定做的self-made自学而成的；自我奋斗而成的；天然形成的Thebreadandpastryareh

20、omemade.6.ThefirstwomantosucceedwasJunkoTabeifromJapanin1975.第一个成功的女人是在1975年日本的田部井淳子。succeedv.成功successu.n.成功successfuladj.成功的successfullyadv.成功地succeedin(doing)sth.成功做成某事Hesucceededinworkingouttheproblem.他成功解决了这个问题。Ihopeshewillsucceedsoonbyworkinghard.通过努力，我希望她能够成功。PracticeFill in the blanks with s

21、uccess in its proper form.1.Justasthesayinggoes,Failureisthemotherof_.2.Cheerup,Jim.Ibelieveyoucanbe_inthespeech.3.Ifwehavenoknowledge,wecannot_infinishinganywork.succeedsuccesssuccessful7.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.这些登山者的精神向我们表明：我们决不应该放弃实现自己梦想的尝试。

22、give up doing sth.放弃做某事；半途而废achieve ones dreams=(make)ones dreams come true实现梦想achievev.（通过努力）实现；取得；获取；达到（梦想、成绩、成功、目的)Hegaveuptryingitafterfailingmanytimes.失败了好多次后他放弃了尝试做这事。Lilyachievedverygoodexamresults.莉莉考试取得了很好的成绩。Notice如果giveup的宾语是n.，那么n.可以放give和up之间，也可以放在up之后；如果其宾语是pron.，那么pron.只能放在give和up之间。M

23、yunclewantstogiveupdrinkingwine.我叔叔想要戒酒。AlthoughEnglishisnteasytolearn,Iwontgiveitup.虽然英语不容易学，但我依旧不会放弃它。Practice1.这是一个获得教育的好机会。你不应该放弃它。Itsagoodchancetogeteducation.Youshouldnt_.2.史密斯先生下定决心要戒烟。Mr.Smithmadeadecisionto_.give it upgive up smoking8.Whydosomanypeopletrytoclimbthismountaineventhoughitisdan

24、gerous?even though 即使；尽管相当于evenif，引导让步状语从句，一般不与并列连词but连用。Mr.Wangwillcomeontimeeventhoughitrains.尽管下雨，但王老师会按时来。9.Thiselephantweighsmanytimesmorethanthispanda.这头大象比这只大熊猫重很多倍。(1)weighv.有重；重weighmanytimesmorethan.比重很多倍(*time表倍数)(2)表示两倍用twice，三倍(及以上)用“基数词+times”。若要表示“比倍还要多”可在倍数前加over,morethan。Extention:倍

25、数的三种表达法(1)A+be+倍数+as+adj./adv.原级+as+BAlexisfourtimesasstrongasBlues.Alex比Blues强壮3倍。(2)A+be+倍数+adj./adv.比较级+than+B。AlexismorethanthreetimesbiggerthanBlues.Alex比Blues大3倍还多。(3)A+be+倍数+计量名词+of+B。AsiaisfourtimesthesizeoftheEurope.亚洲是欧洲的四倍大。Practice1.你的房间是我的两倍大。Yourroomis_mine.2.猎豹跑得比人快6倍还不止。Acheetahrunsm

26、orethan_aman.=Acheetahrunsover_aman.twice as large/big assix times as fast assix times faster than10.Atbirth,ababypandaisabout.birthv.出生n.出生；发育atbirth出生时givebirthto.生（孩子）；引起；产生dateofbirth出生日期Mansnatureatbirthisgood.人之初，性本善。Myauntgavebirthtoabeautifulbabygirlyesterday.昨天我婶婶生下一个漂亮的小女孩。Practice1.小袋鼠出生时

27、在它妈妈的育儿袋里。_,ababykangarooisinitsmotherspouch.2.著名的女演员姚晨生了一个健康的男孩。YaoChen,afamousactress_ahealthyboy.At birthgave birth to11.Apandacanliveupto20to30years.upto到达（数量，程度等）；不多于InsomeareaofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地区，孩子最多受教育到12岁。12.Adultpandasspendmorethan12hoursadayeatingabout10kilo

28、sofbamboo.成年大熊猫一天花多于12个小时吃10千克竹子。spendvt.花费spend.(in)doing sth./on sth.在(做)某事上花费(时间/金钱)Mikespendsfortyminutesdoinghishome-workeveryevening.迈克每天晚上花费四十分钟做作业。Contrast:cost/pay/spend/take花费(1)看主语pay,spend主语是人；cost,take主语是物(2)看花费时间还是金钱cost,pay表示花钱；take表示花时间；spend既可表花费时间也可表花费金钱(3)看句式结构a.sth.cost sb.moneyb

29、.sb.pay money for sth.c.sb.spend money/time on sth./(in)doing sth.d.It takes sb.time to do sth.Practice1.He_toomuchtimeplayingcomputergameslastsummervacation.2.It_meabouthalfanhourtowalktoschooleveryday.3.Howmuchdidyou_fortheCDplayer?Twohundredyuan.4.Thewatchsheboughtyesterday_herfiftydollars.spentt

30、akespaycost13.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforests.科学家们说现在不到2000只大熊猫生活在剩下的森林里。(1)there be.doing有正在做谓语动词be要符合就近原则。Therearequiteafewrobotsworkinginthisfactory.有许多机器人正在这家工厂工作。(2)remainingadj.剩余的；遗留的Iboughtapenwiththeremainingmoney.我用剩下的钱买了一支钢笔。Contrast:remain&leaveWor

31、dsUsages&e.g.remainvi.遗留遗留剩余剩余后接adj.，介词短语等作表语Thepolicetoldeverybodytoremainintheircars.警察命令大家都留在车里。leavevt.剩余剩余leavesb./sth.+介词短语“把某人/某物遗留在某地”sth.beleft“某物被遗留”Nothingwasleftafterthefire.大火之后什么也没剩下。Practice1.飞机晚点了,机场有很多人在等飞机。Theplaneislate,_manypeople_fortheplaneattheairport.2.唯一遗留的问题是我们怎样能筹集到钱。Theon

32、ly_ishowwecanraisethemoney.3.杰克昨天把书落在学校里了。Jack_hisbook_yesterday.waitingthere areremaining questionat schoolleft14.theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!它们激动地跑过去，其中一些甚至撞上自己的伙伴而跌倒！runover,walkinto和fallover均为短语动词。run over跑上前去；跑过去(over用作adv.,表示“从的一边到另一边；穿越)walk into(

33、走路时意外地）撞上fall over摔倒；跌跤；倒下fall over sth.被某物绊倒Sheranovertosayhello,butIdidntrecognizeher.她跑过来打招呼，但我没有认出她来。Thedrinkingdriverwalkedstraightintoatree.那个醉酒的司机撞上了树。Manytreesfelloverafterthestorm.暴风雨后许多树木都倒了。Tommyfelloverthedogandbrokehisfrontteeth.汤米被那只狗绊了一跤，磕掉了门牙。15.Weshouldprotectwhalesfromwaterpollutio

34、n.我们应该保护鲸鱼免受水污染。protectvt.保护,保卫protectionn.保护protect.from.保护免受的侵害（或侵犯）Everyoneshouldprotecttheenvironmentfrompollution.每个人都应该保护环境免受污染。Extentionprevent/stop/keep.from doing sth.阻止做;阻止的发生*prevent/stopsb.fromdoingsth.用法相同,在主动语态中介词from可省略,被动语态中不能省略。keepsb.fromdoingsth.中的from无论在主动语态中还是在被动语态中都不能省略。Practic

35、e1.他抬起胳膊,保护他的孩子免受伤害。Heraisedhisarmto_hischild_hurt.2.我们应该多植树以阻止沙尘暴的发生。Weshouldplantmoretreesto_thesandstorm_.prevent/stophappeningprotectfrom16.Somekindsofwhalesareindangerbecausehumanscatchwhalesformeat,fatandoil.因为人们为了得到肉、脂肪和食用油而捕杀鲸鱼,一些种类的鲸鱼正处在危险中。be in danger处在危险中be out of danger脱离危险dangeru.n危险da

36、ngerousadj.危险的Practice1.Somewildanimalsare_(处在危险中)becauseoftheflood.2.Its_(danger)toplayonthestreet.in dangerdangerousPart:Grammar Focus:Numeral,Comparatives and Superlatives1.Numeral数词是用来表示事物的数目和顺序的词。数词可分为基数词（cardinalnumbers）、序数词（ordinalNumbers）和分数词（fractionalnumeral）。这里单讲基数词。Sheet 1:1-10one1six6tw

37、o2seven7three3eight8four4nine9five5ten10Sheet 2:11-20eleven11sixteen16twelve12seventeen17thirteen13eighteen18fourteen14nineteen19fifteen15twenty20Sheet 3:decade,hundred,thousandthirty-one31eighty-six86forty-two42ninety-seven97fifty-three53onehundred100sixty-four64twothousand2,000seventy-five75tentho

38、usand10,000Sheet 4:million,billiona/onehundredthousand100,000(*十万)a/onemillion1,000,000(*百万)tenmillion10,000,000(*千万)a/onehundredmillion100,000,000(*亿)a/onebillion1,000,000,000(*十亿)(1)表示确定数量时用单数，后直接接复数词。c.num.+hundred/thousand/million/billion+n.(pl.)Theprojectlasted5yearsandcost2billiondollars.这项工程持

39、续了5年、耗资$20亿。threehundredbooks三百本书fivethousandstudents五千个学生Chinaisoverfivethousandyearshistory.中国有超过5,000年的历史。(2)表示不确切数目时，这类词后加-s且与of连用。hundredsofpeople上百号人thousandsofstudents上千学生Notice这类短语中，n.前如有定冠词、指示代词或形容词性物主代词时，可加of，但表示的是范围。twohundredoftheworkers工人中的二百（人）(3)三位数的读法由“百位数+and+两位数”组成。102:onehundredan

40、done123:onehundredandtwenty-three(4)三位数以上的数的读法，从个位往前数，每三位数加一个逗号。从后往前数的第一个逗号代表thousand，第二个逗号是million，第三个逗号是billion，这几个词不用复数形式，其后不加and。1024:onethousandandtwenty-four2,345:twothousand,threehundredandforty-five12,345,678:twelvemillion,threehundredandfourty-fivethousand,sixhundredandseventy-eight(5)数词+量词

41、+adj.(deep,high,long,wide,thick)onepointtwometersthick1.2米厚twometerslong2米长onethousandonehundredandtwenty-fivemetersdeep1,125米深eightthousandeighthundredandfortyfourpointfourthreemetershigh8,844.43米高ninemillionsixhundredthousandsquarekilometersinsize面积9,600,000平方千米 Practice.Write the following number

42、s in English.1.567_2.609_3.67,890_five hundred(and)sixty-seven six hundred and nine sixty-seven thousand eight hundred and ninety4.98,765_5.9,876,513_nine million,eight hundred andninety-eight thousand seven hundredand sixty-fiveseventy-six thousand,five hundred and thirteen.Choose the best answer f

43、rom the given choices.1._treeswereplantedonthemountainlastyear.A.ThousandsofB.ThousandofC.FivethousandofD.Fivethousands2._peopleintheworldaresendingandreceivinge-mailseveryday.A.MillionofB.ManymillionsofC.SeveralmillionofD.SeveralmillionsAB3.Canyouwritethenumbereighty-fivethousand,sixhundredandtwent

44、y-six?Yes,itis_.A.856,126B.85,626C.185,626D.185,206B2.Comparatives&Superlatives of adj.&adv.大多数形容词和副词有三个等级：原级、比较级、最高级。(1)原级:常用结构as.as.像一样ZhangHongisastallasTom.张红和汤姆一样高。(2)Comparatives修饰比较级有much,alot,alittle,abit,even,far常用结构：形容词比较级+than.。than一词是比较级的标志。ChinaismuchbiggerthanJapan.中国比日本大很多。Heistallert

45、hanI.他比我高。比较级+and+比较级“越来越”Itsdarkeranddarker.天越来越黑了。The+比较级.,the+比较.“越就越”Themoreyouexercise,thebetteryouare.锻炼越多，身体越好。PositivesComparativesSuperlativesbad/badly/illworseworstfarfarther/furtherfarthest/furthestgood/wellbetterbestlittlelessleastmany/muchmoremostoldolder/elderoldest/eldest构成的不规则变化:构成的规

46、则变化a.单音节词和少数双音节词一般在词尾后加-er构成比较级或-est构成最高级：calm,cool,cheap,few,high,light,quick,quiet,short,small,tall,thick,warm,wildPositivesComparativesSuperlativesbrightbrighterbrightestcoldcoldercoldestyoungyoungeryoungestb.以字母e结尾的词只加r或-st构成比较级和最高级：close,cute,late,safe,whitePositivesComparativesSuperlativesfine

47、finerfinestlargelargerlargestnicenicernicestPositivesComparativesSuperlativesbigbiggerbiggestthinthinnerthinnestwetwetterwettestc.重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est：fat,hot,red,sadd.以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est：busy,dirty,early,dry,heavy,healthy,hungry,lazy,pretty,tidy,uglyPositivesComparat

48、ivesSuperlativeseasyeasiereasiesthappyhappierhappiestsunnysunniersunnieste.少数以er,ow结尾的双音节词加-er,-est：lowPositivesComparativesSuperlativesclevercleverercleverestnarrownarrowernarrowestyellowyelloweryellowestf.多音节词和部分双音节词在词前加more或most：beautiful,careful,comfortable,creative,expensive,dangerous,difficult

49、,easily,friendly,fluently,modern,popular,quickly,slowly,useful*少数单音节词也是这样，如pleased,tired。PositivesComparativesSuperlativesdeliciousmoremostinterestingmoremostimportantmoremost(3)Superlatives 英语中三者或三者以上相比较，表示“最”这样的最高程度概念时，要用“the+最高级(+of/in)”的结构表示。这种句式一般带有表示比较的介词短语，比如：inourclass,ofthethree等。WangLinist

50、hetallestinourclass.Thistheateristhecheapestofthethree.a.表示“最之一”的句式，要用one of the+adj.Superlatives+n.(pl.)。HiltonHotelisoneofthebiggesthotelsinourcity.Mikeisoneofmybestfriends.b.当最高级前面有物主代词或名词所有格时，不加定冠词the。TomisLucysbestfriend.Tuesdayisherbusiestday.c.最高级前可加序数词。TheYellowRiveristhesecondlongestriverin