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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2d合涧镇二中杨庆东学习目标1、谈论地理和自然2、学习多位数的表达方法3、复习形容词的最高级用法LanguageGoal:TalkaboutgeographyandnatureQomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a
2、.Matchthefactsyouknow.多位数读法457fourhundredandfifty-seven1）101~999的三位数由“百位数＋and+两位数组成”。如：325—threehundredandtwenty-five2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand,第二个逗号代表million,第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如：2,648twothousand,sixhundredandforty-eight16,250
3、,064sixteenmillion,twohundredandfiftythousand,sixty-four3872Threethousandeighthundredandseventy-two46290Forty-sixthousandtwohundredandninety58230Fifty-eightthousandtwohundredandthirty1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertint
4、heworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.A:Whatisthebig
5、gestdesertintheworld?B:Sahara.A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.PairworkA:Whatisthelongestriverintheworld?B:Nile.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationintheworld.It
6、’salotbiggerthanthepopulationoftheUS.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,3005,0005,46430024____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.13
7、2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,0005,464300246,3005,464___
8、_Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,an
