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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Howmanywordsdoesthebookhave?858,000663sixhundredandsixty-three858,000eighthundredandfifty-eightthousand858,000,000eighthundred
2、andfifty-eightmillion858,000,000,000eighthundredandfifty-eightbillion6,3006,6718,844.431,025337,6009,600,0009,634,0571,377,960,299Canyoureadthesenumbers?A:What’sthisnumber?B:It’s___,___,___,___pointbillionmillionthousand8,844.43Qomolangmarunsalongthebo
3、rder(边境）betweenChinaandNepal（尼泊尔）.Itiscoveredwithsnowallyearround.It’s8844.43metershigh.It’sthehighestmountainintheworld.Qomolangmaismetershigh.HeightQomolangmaDoyouknowtheseinterestplaces?TheNileisthelongestriverintheworld.It’smorethan6600kilometerslo
4、ng.Itrunsthrough11countries.6,671TheNileiskilometerslong.Lengh长度TheNileTheCaspianSeaTheCaspianSeaisactuallynotaseabutinsteadasaltlake.It’sthedeepestofallthesaltlakes.It’s1,025metersdeep.Itliesintheborder(边境)betweenAsiaandEurope.1,025Depth深度TheCaspianSe
5、aismetersdeep.TheSaharaisthebiggesthotdesertintheworld.It’sabout9,600,000squarekilometersinsize.ItisinthenorthernAfrica.TheSahara9,600,000TheSaharaisaboutsquarekilometersinsize.Area面积squarekilometer=kmsquaremeter=m22度量单位使用规律Qomolangmais8,844.43metershi
6、gh.TheNileis6,671kilometerslong.TheCaspianSeais1,025metersdeep.TheGreatWallisabout6meterswide.TheSaharaisabout9,600,000squarekilometersinsize.（1）表示长宽高深时：数词+meters/kilometers+high/deep/long/wide数词+量词+表示长宽高深的形容词表示面积时：数词+squarekilometers/meters+insize数词+量
7、词+insize（2）提问方式：How+high/deep/long/wide…+be+主语？e.g.HowhighisQomolangma?表示面积时：How+big…+be+主语?What’sthesize/areaof+主语？e.g.HowbigistheSahara?What’sthesize/areaoftheSahara?8,844.43mA:Howhighis…?B:It’s…metershigh.Pairwork:Askandanswerabouttheheight.Qomolang
8、ma6,671kmTheNilePairwork:Askandansweraboutthelength.A:Howlongis…?B:It’s…kilometerslong.1,025mTheCaspianSeaPairwork:Askandansweraboutthedepth(深度).A:Howdeepis…?B:It’s…metersdeep.TheSaharaPairwork:Askandansweraboutthearea(面积).A:Howbigis…?/
