资源描述：
《英语人教版八年级下册8B Unit7 A1.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Unit7What’sthehighestmountain intheworld?SectionAPeriodOnesquaremeterdeepdesertpopulationAsiafeelfreetourn.平方；正方形n.(=metre)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WordsReview单击播放录音touristwallamazingancientprotectwideasfarasIknowman-maden.旅行者；观光者
2、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adj.人造的WordsReview后缀-ist表示“……的人”合成词n.+V-ed:man+madeObjectives1.Tolearntocomparefacts2.Tolearntoexpresslargenumbers3.Tolearntotalkaboutgeographyandnature4.Tolearnnewwords:square,meter,deep,desert,popul
3、ation,Asia,tour,tourist,wall,ancient,protect,wide…Canyoureadthefournumbers?1,0256,6719,600,0008,844.43onethousandandtwenty-fivesixthousand,sixhundredandseventy-oneeightthousand,eighthundredandforty-fourpointfourthreeninemillion,sixhundredthousandMatchthefac
4、tsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighQomolangmaEnjoythepictures.TheCaspianSeaTheNileTheSaharaFillinthemissingadjectivesthatwilldescribeeachplace.Thinkabout
5、:Whatfeatureofamountain,river,etc.ismostobvious?Whatwordcandescribethetwoextremesbest?heightlengthdepthareahighest/tallestlowest/shortestlongestshortestdeepestshallowestbiggestsmallestPredict:Whatwillbefilledintheblanks?Listenandcompletethesentences.Qomolan
6、gmais______thananyothermountainintheworld.TheSaharais__________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongest听力原文“the+序数词+最高级+单数名词+in…”表示“是……中的第几……”“比较级+thananyother+名词+其他”
7、表示“比其他任何一个……都……”注：该结构可与“the+最高级+其他”相互转换形容词最高级结构:the+最高级+其他Describethefourplacesaccordingtotheinformationin1aand1b.Forexample:Qomolangmaishigherthananyothermountainintheworld.Itis8,844.43metershigh.A:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairwork
8、Usetheinformationin1btomakeconversations.Forexample:A:Whatisthebiggestdesertintheworld?B:TheSahara.Example1:A:Whatisthelongestriverintheworld?B:TheNile.Example2:Readthenumbersbelow.5,0006,3005,465300Ma
