英语人教版八年级下册Unit 7 Section A .ppt

,Unit7Whatsthehighestmountainintheworld?,8844.43metershigh,26kilometerslong,thehighestintheworld,Qomolangma,Doyouknowtheseplaces?,6671kilometerslongRunthrough9countries,theNilethelongestriverintheworld,9,600,000squarekilometersinsize,面积,平方,ItstheSahara.thebiggestdersertintheworld,camels,theCaspianSea(asaltlake),1,025metersdeep,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1aMatchthefactsyouknow.,A:HowhighisQomolangma?B:Its8,844.43metershigh.,Practice,Thebiggestdesertintheworldisabout9,600,000squarekilometersinsize.,HowbigistheSahara?Itsabout9,600,000squarekilometersinsize.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,ThingsToCompare:,Youwillseesomeobjects.pleasecomparethem,thengiveyoursetences.,1,A,B,C,D,Aisthemostactivegirlintheclass.,Aismoreactivethananyothergirlintheclass.,BisastallasD.,Cisnotas(so)tallasB.Bismuchtaller.(alot,alittle),2,3,4,cheetah猎豹,5,TheYellowRiverislong.TheYangtzeRiverisalot_thantheYellowRiver.TheNileis_ofall.,longer,thelongest,Completethesentencesusingtheinformationintheforms.,Exercise,TheYangtzeRiverisnot_long_theNile.=TheYangtzeRiverisnot_thantheNile.,asas,longer,MountTaiishigh.MountHuangisalittle_thanMountTai.Qomolangmais_ofall.,MountTaiisnot_high_Qomolangma.=MountTaiisnot_thanQomolangma.,higher,thehighest,asas,higher,1.ThepopulationofSingaporeislarge.2.ThepopulationofMalaysiaismuch_thanthatofSingapore.3.ThepopulationofChinais_ofall.,larger,thelargest,4.ThepopulationofSingaporeisnot_large_thatofChina.5.ThepopulationofSingaporeisnot_thanthatofChina.,as,larger,as,Homework,1.Memorizetheimportantphra