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1、What'sthehighestmountainintheworld?SectionA1a-1cJinshiMiddleSchoolDaiMingcuiHowmuchdoyouknowtheworld?Whatisthelargestnationintheworld?Russiaisthelargestnationintheworld.17,075,500平方公里Itis17,075,500squarekilometersinsize.seventeenmillion,seventy-fivethousand
2、fivehundredsquaren.平方metern.米kilometer千米NewwordsWhatisthebiggestdesertintheworld？desertn.沙漠THTheSaharaisthebiggestdesertintheworld.It'sabout9,600,000squarekilometersinsize.TheSaharaWhatisthehighestmountainintheworld?QomolangmaQomolangmais8,844.43metershigh.
3、It'sthehighestmountainintheworld.Whatisthelongestriverintheworld?TheNileisthelongestriverintheworld.It’smorethan6,600kilometerslong.theNileWhatisthedeepestsaltlake?theCaspianSeaTheCaspianSeaisthedeepestsaltlakeintheworld.It's1,025metersdeepdeepadj.深的1从数字的右端
4、向左端数起,每三位数加一个逗号“,”2从右开始,第一个“,”前的数字后添加thousand,第二个“,”前面的数字后添加million,第三个“,”前的数字后添加billion.3然后一节一节分别表示,两个逗号之间最大的数为百位数形式.千位数以上 读法fivebillion,twohundredandthirty-sevenmillion,onehundredandsixty-sixthousand,twohundredandthirty-four2,6485,237,166,23416,250,064two
5、thousandsixhundredandforty-eightsixteenmilliontwohundreandfiftythousandsixty-four小数1小数点前面的基数词和前面讲的基数词的读法相同；2小数点后的数字则必须一一读出：3小数点读作point0．0089→zeropointzerozeroeightnine1．36→onepointthreesix8，844.43meters1,025metersdeep6,600kilometerslong6,211.31kilometerslon
6、g3,219kilometerswideReadnumbers1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountaini
7、ntheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais___________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestUsetheinformationin1btomakeconversations.1cA:Whatisthehighestmountainintheworld?B:Qomolan
8、gma.Whatisthelongestriverintheworld?TheNile.Whatisthebiggestdesertintheworld?TheSahara.Makesentenceswiththefollowingadjectivestodescribethings.thehighestthelongestthedeepestthebiggestHomeworkSamplesIli
