英语人教版八年级下册Unit 7SectionA(2a-2d).pptx

Unit7What sthehighestmountainintheworld SectionA12a 2d Qomolangma TheNile TheCaspianSea TheSahara Talkaboutlikethis Qomolangmaisthehighestmountainintheworld 想一想let sthink What sthehighestmountaininChina What sthebiggestlakeinChina What sthelongestriverinChina What sthebiggestdesertinChina Whichcountryhasthebiggest largestpopulationintheworld biggest largestpopulation theHimalayers theYangtzeRiver 塔克拉玛干沙漠Taklimakan t k l m k n Desert thefourgreatinventionsofancientChina ManytraditionalChinesestories SoChinaisoneoftheoldestcountriesintheworld AlsoChinahasmorethan5000 yearhistory 2aListenandnumberthefacts 1 4 intheorderyouhearthem 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 4 2 1 3 2bListenagainandfillintheblanksin2awiththenumbersinthebox 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 5 000 300 Practiceinpairswithsuperlative 最高级 likethis A What sthelongestriver inChina intheworld B It stheYangtzeRiver It s6 300 kilometerslongA What sthesmallest numberin2a B It s300 WelearnedsomethingaboutChina ThendoyouknowthelongestwallintheworldfromChina Andwhat sit Lead into2d TheGreatWall DoyouknowanythingabouttheGreatWall 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 Whydidtheancientemperorsbuildthewall Themainreasonwastoprotecttheirpartofthecounty 2 Howlongisthewall It sabout8 850kilometerslong 2dReadtheconversationandanswerthequestions 3 Whatdoestheguidesayaboutthewall It squitetallandwide BadalingisthemostfamouspartoftheMingGreatWall It sthelongestwallintheworld Theancientemperorsbuiltittoprotecttheirpartofthecountry Therearenoman madeobjectsasbigasthis feelfreetodothemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWall Importantphrasesandsentences Intheworld weknowQomolangmaisthehighestmountain Butdoyouknowanythingaboutit Didanyoneclimbtothetop Whoclimbedtothetopforthefirsttime WhoisthefirstChine