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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2c学习目标(learningaims)1.掌握本节课的重点单词。2.学会较大数字的表达；学会用不同句式表达比较级和最高级。3.学习如何用含有大数字的度量结构表达“自然地理之最”。596twenty-onefifty-six21ninety-seven5697twohundredandeighty-four103fivehundredandninety-six284onehundredandthree1，025Let’slearntore
2、adthelargenumbers.(朗读这些数词）onethousandsixthousand6,671thousandandtwenty-fivesixhundredandseventy-one9,600,000ninemillionmillionthousandLet’sreadthelargenumbers.(朗读这些数词）sixhundredthousand8,844.43pointfourthreeeightthousandeighthundredandforty-fourpointQomolangmaIt’s8844.43m
3、etershighQomolangmais__________mountainintheworld.thehighestTheCaspianSeaTheCaspianSeais_________saltlakeintheworld.It’s1025metersdeepthedeepestTheNileis___________riverintheworld.TheNilethelongestIt’s6671kilometerslong.TheSaharais__________desertintheworldTheSaharaIt’sab
4、out9,600,000squarekilometersinsizethebiggest1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthed
5、eepestthelongestA:Whatis__________mountainintheworld?B:Qomolangma.A:_____________isit?B:It’s8,844.43metershigh.It’s___________than__________mountain.thehighest8,844.43metershighQomolangma.higheranyotherHowhighA:Whatis____________desertintheworld?B:TheSahara.A:__________is
6、it?B:It’s________________________.It’s_______than__________desert.thebiggestHowbigbiggeranyothertheSahara9,600,000squarekilometersinsize9,600,000squarekilometersinsizePairworkA:Whatis__________saltlakeintheworld?B:TheCaspiansea.A:__________isit?B:It’s________________.It’s
7、_______than_______saltlakes.thedeepestHowdeepdeepertheotherTheCaspianSea1025metersdeep1,025metersdeepA:Whatis______________riverintheworld?B:TheNile.A:_____________isit?B:It’s_____________________,it’s_______than_________rivers.thelongestHowlonglongertheotherTheNile6,300k
8、ilometerslong6,671kilometerslongAsian.亚洲Chinaisabeautifulcountrywithalonghistory.It’soneof______
