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1、Unit7What'sthehighestmountainintheworld?SectionA11a—2dDoyouknowtheseinterestplaces?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43high,thehighestintheworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’smorethan6600kilometer
2、slong.Itrunsthrough9countries,it’soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.TheNileTheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.Itislocatedinthen
3、orthernAfrica,climateconditionsareverybad,isoneoftheearth'smostnotsuitableforbiologicalsurvival.TheSaharaTheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthr
4、ough11provinces.ItrunsintotheEastSeainShanghaifinally.TheYangtzeRiver1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighPracticeinpairslikethis:A:Whichisthe…inthe…?B:…PracticeA:HowhighisQomolangma
5、?B:It’s8,844metershigh.PracticeThebiggestdesertintheworldisabout8,000,000squarekilometersinsize.HowbigistheSahara?It’sabout8,000,000squarekilometersinsize.听力助手：1、geographygeographicalfacts2.I’mgoingtotestyou.3.It’shigherthananyothermountainintheworld.4.WhocantellmewhattheSaharais?3.forthelastqu
6、estion6.Thesecondlongestriver7.Itseemsthat8.theanswerto9.Goodjob!2a、2b1.Canyoutellmeabitmoreabout2.Oneoftheoldestcountries3.it’snoteven300yearsago4.hasthebiggestpopulation5.It’salotbiggerthanthepopulationoftheUnitedStates.6.ChinaisaboutthesamesizeastheUS.1bListenandcompletethesentences.1.Qomola
7、ngmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest2aListenandnumberthefacts(
