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1、Unit7SectionAPeriod1(1a-2d)Doyouknowthesenumbers?Howtoreadthem?8844.43meters1,025metersdeep6,600kilometerslong6,211.31kilometerslong3,219kilometerswideWhichisthehighestmountainintheworld?Whichisthelongestriverintheworld?…Doyouknowthis?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itisc
2、overedwithsnowalltheyearround.It’s8844.43metershigh,thehighestintheworld.It’s26kilometerslong.theSaharaTheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Itsclimateconditionsareverybadandisoneoftheearth'smostunsuitableforbiologicalsurvival.theCaspianSeaTheCaspianSea(里海)isthebigges
3、tinland lakeintheworld.Themaxdepthis1,025m(inthesouthernpart).ItliesintheborderbetweenAsiaandEurope.theNileTheNileisthelongestriverintheworld.It’smorethan6,600kilometerslong.Itrunsthrough9countries.It’soneofthelargestriverflowingthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(
4、地中海)intheend.theYangtzeRiverTheYangtzeRiveristhethirdlongestriverintheworld,andthefirstAsianriver.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3,219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.1aMatchthefactsyouknow.Q
5、omolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh…8,844.43metershigh.…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。Thewallis1.7meterswide.ExplanationA:HowhighisQomolangma?B:It’s8,84
6、4.43metershigh.PracticeThebiggestdesertintheworldisabout9,600,000squarekilometersinsize.HowbigistheSahara?It’sabout9,600,000squarekilometersinsize.1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais_________
7、__ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestUsetheinformationin1btomakeconversations.1cA:Whatisthehighestmountainintheworld?B:Qomolangma.Practiceinpairsliketh
