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1、Unit7What'sthehighestmountainintheworld?Section1a-2dWarming-upAGameCountfrom1to32Rule：全体起立，数数。逢5的倍数以及以5结尾的数字，以拍掌代替。数对了坐下，如果错了不能坐下，于游戏结束后接受挑战。500+500=？6mlong5mwideHowbigofourclassroom？It's30squaremetersinsize.amazingadj.令人惊叹的Withcommas（逗号）,they'reeasytoread.1,00010,000100,0001,000,0001
2、0,000,000100,000,0001,000,000,00010,000,000,000100,000,000,000thousandmillionbillionLet'stry1,0252,3561,8886,4533,5009,600,0001,400,000,000NinemillionsixhundredthousandOnebillionfourhundredmillionQomolangma珠穆朗玛峰theNile尼罗河theCaspianSea里海theSaharaDesert撒哈拉沙漠TheQomolangmaabout9,600,000sq
3、uarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighMatchthefactsyouknow.英语表示物体“有多长（宽、高......）”时，一般将数词和数量单位放在表示长、宽、高等形容词前。activity-1合作探究Thelongestriverintheworldis.theNileAndtheAmazonisthesecondlongestriverintheworld.the+序数词+最高级+（名词单数）表
4、示第几(最)......海南岛是中国第二大岛。HainanislandisinChina.thesecondlargest（island）Thehighestmountainintheworldis.QomolangmaItisintheworld.deeperthananyotherlake=thedeepestlake比较级+than+anyother+单数名词意为“比其他......都”，用比较级形式表达最好及含义=higherthananyothermountainisthebiggestdesertintheworld.TheCaspianSeais__
5、________ofallthesaltlakes.thedeepestTheSaharaactivity-2Pair-workA:What'sthehighestmountainintheworld?B:Idon'tknow.Whatisit?A:Qomolangmaisthehighestmountainintheworld.B:Howhighisit?A:It's8,844.43metershigh.Makeaconversationwithyourpartner.Numberthefactsintheorderandfillintheblankswitht
6、henumbers.6,3005,0005,464300TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______y
7、earsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.42136,3005,4645,000300Read2d,andanswerthequestion.Howlongisthewall?It’sabout8,850kilometerslong.Whatdoestheguidesayaboutthewall?It'sthelongestwallintheworld.It’squitetallandwide.Therearenoman-madeobjectsasbigasthis.a
8、ctivi
