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1、Unit7What'sthehighestmountainintheworld?SectionA11a—2cPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲Doyouknowtheseinterestplaces?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43metershigh,thehighesti
2、ntheworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’smorethan6600kilometerslong.Itrunsthrough9countries,it’soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.TheNileTheCaspianSeaTheCaspianSeaisthebiggestsalt
3、lakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearth'smostnotsuitableforbiologicalsurvival.TheSaharaTheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.I
4、t’s6211.31kilometerslong.TheYangtzeRiverpassesthrough11provinces.ItrunsintotheEastSeainShanghaifinally.TheYangtzeRiverWhichisthehighestmountainintheworld?WhichisthelongestriverinAsia?...…Talkaboutthesepicturesinpairs.Practiceinpairslikethis:A:Whichisthe…inthe…?B:…PracticeA:Whichist
5、he…intheworld?B:…1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh…8,844metershigh.…8,844米高…metershigh(long,wide…)……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。e.g.Thewall
6、is1.7metreswide.ExplainationA:HowhighisQomolangma?B:It’sabout8,844metershigh.PracticeHowlongisTheNile?It’s6671.43metershigh.HowbigistheSahara?It’sabout8,000,000squarekilometersinsize.HowdeepistheCaspianSea?It’s1025metersdeep.1bListenandcompletethesentences.1.Qomolangmais______thana
7、nyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout
8、____kilometerslongandtheYe
