英语人教版八年级下册Unit 7SectionA(2a-2d).pptx

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1、Unit7What'sthehighestmountainintheworld?SectionA12a—2dQomolangmaTheNileTheCaspianSeaTheSaharaTalkaboutlikethis:Qomolangmaisthehighestmountainintheworld…想一想let’sthinkWhat’sthehighestmountaininChina？What’sthebiggestlakeinChina？What’sthelongestriverinChina？What’sthebig

2、gestdesertinChina？Whichcountryhasthebiggest/largestpopulationintheworld？biggest/largestpopulationtheHimalayerstheYangtzeRiver塔克拉玛干沙漠Taklimakan/tæk'lɪməkən]/DesertthefourgreatinventionsofancientChinaManytraditionalChinesestoriesSoChinaisoneoftheoldestcountriesinthewo

3、rld.AlsoChinahasmorethan5000–yearhistory.2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationof

4、theUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.42132bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout_______kil

5、ometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,464___Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitis

6、thebiggestcountryinAsia.5,000300Practiceinpairswithsuperlative（最高级）likethis:A:What’sthelongestriver/…inChina/intheworld？B：It’stheYangtzeRiver/…It’s6,300/…kilometerslongA：What’sthesmallest/…numberin2a?B:It’s300/…WelearnedsomethingaboutChina.Thendoyouknowthelongestwal

7、lintheworldfromChina?Andwhat’sit？Lead----into2dTheGreatWallDoyouknowanythingabouttheGreatWall?中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的是八达岭长城。长城的高平均为7.8米，险要处高达14米，宽平均为5.5米，底部宽顶部窄，呈梯形状。2dReadtheconversationandanswerthequestions:1.Whydidthean

8、cientemperorsbuildthewall?Themainreasonwastoprotecttheirpartofthecounty.2.Howlongisthewall?It’sabout8,850kilometerslong.2dReadtheconversat