初中英语人教版八年级下册Unit7 SectionA.ppt

Unit7Whatsthehighestmountainintheworld?,SectionA(1a-2d),Readthewordsandexpressionsloudly.,QomolangmatheNiletheCaspianSeatheSaharatheYangtzeRivertheYellowRivertheMingDynastytheMingGreatWall,珠穆朗玛峰尼罗河里海(世界最大的咸水湖)撒哈拉沙漠长江黄河明朝明长城,squaremeterdeepdesertpopulationAsiafeelfreetour,n.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠n.人口；人口数量n.亚洲(可以)随便(做某事)n.v.旅行；旅游,touristwallamazingancientprotectwideasfarasIknow,n.旅行者；观光者n.墙adj.令人大为惊奇的;令人惊喜(或惊叹)的adj.古代的；古老的v.保护；防护adj.宽的；宽阔的就我所知,1,025,Howdoyoureadthesenumber?,6,671,9,600,000,8,844.43,Whatdoyouknowaboutthenumber8,8844.43?,Qomolangma,Whatdoyouknowaboutthefollowingnumbers?,1,025metersdeep,TheCaspianSea,Whatdoyouknowaboutthefollowingnumbers?,6,671kilometerslong,TheNile,Whatdoyouknowaboutthefollowingnumbers?,9,600,000squarekilometersinsize,TheSahara,Matchthefactsyouknow.,1a,Qomolangmais_thananyothermountainintheworld.TheSaharais_desertintheworld.TheCaspianSeais_ofallthesaltlakes.TheNileis_riverintheworld.,1b,higher,thebiggest,thedeepest,thelongest,Listenandcompletethesentences.,A:Whatisthehighestmountainintheworld?B:Qomolangma.,1c,Pairwork,Usetheinformationin1btomakeconversations,Whatisthelongestriverintheworld?,TheNile.,Whatisthedeepestdesertintheworld?,TheSahara.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,2a,1,4,3,2,Listenandnumberthefacts1-4intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,2b,6,300,5,464,5,000,300,6,3005,0005,464300,1,4,3,2,Listenagainandfillintheblanksin2awithnumbersinthebox.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.,2c,Pairwork,Makeconversationsusingtheinformationin2a.,A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.ItsalotbiggerthanthepopulationoftheUS.,Example1:,A:DidyouknowthatChinaisthebiggestcountryinAsia?B:Yes,Idid.ItsalmostasbigastheUS.,Example2:,A:DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver?B:No,Ididnt.Howlongisit?A:Its6,300kilometerslong.B:Wow!Thatsverylong!,Example3:,1.population,population意为“人口数量”，谓语动词要用单数形式。询问人口数量时要用“Whatsthepopulationof.?”提问，而不用howmany或howmuch等提问。表示人口“多”要用large或big；表示人口“少”要用small。,Practise,这个城市的人口是600万。Thepopulationofthiscityissixmillion中国的人口比美国的人口多很多。ThepopulationofChinaismuchlargerthanthatoftheUSA.,2.Qomolangmais8,844.43metershigh.,Itismetershigh(long,wide).它米高(长,宽)。英语表示“有多长(宽，高)”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。,这座山高三千多米。Themaintainismorethanthreethousandmetershigh.它离我们只有三十八万公里。Itisonly380,000kilometersaway.这座绿色长城长7,000公里。TheGreenGreatWallis7,000kilometerslong.,Practise,3.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?thatChinais是know的宾语从句。尽管主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。,4.Itsmucholderthanmycountry.,muchhigher意为“高得多”。在形容比较级前还可以用much,even,alittle,still,alot,less等修饰词表示程度。,Practise,他比我跑得更快。HerunsevenfasterthanI.日本土地面积只比德国大一点儿。JapanisalittlelargerthanGermanyinarea.,Pleasereadtheconversationin2d.,Whatstheconversationabout?,ItsaboutatourtotheMingGreatWall.,Readagainandanswerthequestionsin2d.,1.HowlongistheMingGreatWall?2.Whatdoestheguidesayaboutthewall?,Itsabout8,850kilometerslong.,Itsquitetallandwide./Itsthelongestwallintheworld.,2d,Role-playtheconversation.,Guide:FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.,Tourist2:Wow,thatsamazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,itsquitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,itsthemostfamouspart.,5.AsfarasIknow,therearenoman-madeobjectsasbigasthis.,asfarasIknow意为“就我所知”，其他常用口语表达有as/sofarasIcanremember/Icantell/Icansee等。,Practise,根据我记得的，她过去住在芝加哥。ShelivedinChicago,asfarasIcanremember.,asfaras也可表示“远至”(在否定句中也可用sofaras)。,Practise,我们坐火车到北京，然后转乘公共汽车。WewillgobytrainasfarasBeijing,andthantakeabus.我们不如其他人走得远。Wedidntgoas/sofarastheothers.,man-made为合成形容词，意为“人造的”。英语中像这样与-made复合而成的形容词还有：handmade(手工制作的)、homemade(家庭制作的)、machine-made(机制的)、tailor-made(量体定制的；特制的；定做的)等，用以描述产品的生产或制造手段、特点等，甚至还有像self-made(自学而成的；自我奋斗而成的；天然形成的)可以用来描述人。,Practise,面包和糕点都是自家做的。Thebreadandpastryarehomemade.这个电影角色是专为那位男演员量身设计的。Thismovierolewastailor-madeforthatactor.,Review,课时重点回顾,Whatsthepopulationof.?Itismetershigh(long,wide).much,even,alittle,still,alot,less+形容词比较级asfarasIknowas/sofarasIcanremember/Icantell/Icanseeasfaras远至合成词man-made,1.Thep_inourhometownisverylarge.2.Wet_bycareverysummer.3.Wehavetomakeplanstop_theendangeredanimals.4.Theycametoa_(宽阔的)river.5.Some_(古老的)townshavewallsaroundthem.,opulation,our,rotect,wide,根据提示完成句子。,ancient,Choosethebestanswer.1.Mybrotheris_moreoutgoingthanme.A.manyB.littleC.much2.October12thwasoneof_daysin2005.Shenzhou-VIwaslaunched(发射)successfully.A.excitingB.moreexcitingC.themostexciting3.Whichcityis_,Beijing,ShanghaiorFuzhou?A.beautifulB.morebeautifulC.themostbeautiful,7.Ofthetwoskirts,thepinkoneis_.A.thenicestB.thenicerC.nicer8.Jackshandwritingisas_asMikes.A.goodB.betterC.best9.Wecandotheworkbetterwith_moneyand_people.A.little,fewB.less,fewerC.fewer,less10.JimisthetalleststudentinourclassandTomisth