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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2dLet’stalk!Whatdowelearninageographyclass?geographyLet’senjoythebeautyofnature!mountaindesertriverlakeoceanfreshlakesaltlakeWhatisthelongestriverintheworld?TheNile.TheNileIt’s6,671kilometerslong.Howlongisit
2、?Whatisthebiggestdesertintheworld?TheSahara.TheSaharais9,600,000squarekilometersinsize.HowbigistheSahara?Whatisthehighestmountainintheworld?Qomolanga.Qomolangma.It’s8,844.43metershigh!Howhighisit?Whatisthedeepestsaltlakeintheworld?TheCaspianSea.TheCaspianSea
3、is1,025metersdeep.Howdeepisit?Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.Itis…metershigh(long,wide,deep…).它有……米高（长,宽,深……)。注意：在英语中表示某物体“有多长（宽，高，深……）”时，
4、将数词和数量单位放在表示长，宽，高，深的形容词前。翻译句子1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？1025米深。Thetableistwometerslongandonemeterwide.Themountainis1,500metershigh.Thebuildingis120meterstall.Thedictionaryisfivecentimetersthick.Howdeepisthelake?It’s1,025meters
5、deep.1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest1c.Useth
6、einformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.A:Whatisthebiggestdesertintheworld?B:TheSahara.A:Whatisthedeepestsaltlakeintheworld?B:TheCaspiansea.PairworkA:Whatisthelongestriverintheworld?B:TheNile.TheYangtzeRiveristhe
7、longestriverinChina,thefirstlongestriverinAsia,thethirdlongestriverintheworld,It’s6300kilometerslong.TheYangtzeRiverIt`sthelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.2aListenandnumberthef
8、acts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepo
