英语人教版八年级下册unit 7 period 1.ppt

Welcometomyclass Unit7What sthehighestmountainintheworld SectionA1a 2c TheTopsofOurClass班级之最 Whoisthetallestinourclass isthetallestinourclass Heistallerthananyotherstudentinourclass Whoisthemosthumorousinourclass isthemosthumorousinourclass ismorehumorousthananyotherstudentinourclass TheTopsofOurClass班级之最 Whoworks the hardestinourclass works the hardestinourclass worksharderthananyotherstudentinourclass CanyousaytheminEnglish 64 1025 5000 300 5464 Sixty four threehundred onethousandandtwenty five fivethousand fivethousandfourhundredandsixty four CanyousaytheminEnglish 6 671 2 5 6 300 54 64 sixthousandsixhundredandseventy one twopointfive eightthousandeighthundredandforty fourpointfourthree Fifty fourpointsixfour sixthousandthreehundred 8 844 43 9 600 000 ninemillionsixhundredthousand Doyouknowtheseinterestplaces Qomolangma Qomolangmaisthehighestintheworld It s8844 43metershigh Howhighisit TheNileisthelongestriverintheworld TheNile It smorethan6671kilometerslong Howlongisit TheCaspianSea TheCaspianSeaisthedeepestlakeintheworld It s1 025metersdeep TheSaharaisthebiggestdesertintheworld TheSahara Howbigisit It sabout9 600 000squarekilometersinsize TheYangtzeRiveristhethirdlongestriverintheworld thefirstAsianrivers It sabout6300kilometerslong TheYangtzeRiver Let senjoythejourneyaroundtheworld Huoqiu theCaspianSea thebiggestsaltlake里海 世界最大咸水湖 LakeBaikal thedeepestlake 贝加尔湖 世界最深的湖 theAmazonRiver thebiggestriver亚马孙河 世界最大河流 theNile thelongestriver尼罗河 世界最长河流 theSahara thebiggestdesert撒哈拉沙漠 世界最大沙漠 thePacificOcean thebiggestocean太平洋 世界最大海洋 longestdeepestbiggesthighest mountain山river河desert沙漠saltlake咸水湖freshwaterlake淡水湖ocean海洋 Wheredidwegojustnow Wewentto the intheworld Whichisthehighestmountainintheworld WhichisthelongestriverinAsia Talkaboutthesepicturesinpairs Practiceinpairslikethis A Whichisthe inthe B Practice A HowhighisQomolangma B It s8 844 43metershigh A HowbigistheSahara B It sabout9 600 000squarekilometersinsize A ThebiggestdesertintheworldB isabout9 600 000squarekilometersinsize 1bListenandcompletethesentences 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld higher thebiggest thedeepest thelongest 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 2cMakeconversationsusingtheinformationin2a A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid it smucholderthanmycountry A DidyouknowthatYangtzeRiveristhelongestriverinChina B Yes Idid It s6 300meterslong B Wow That slong Practice highestmountainintheworld A WhichisthelongestriverinAsia B It s andit s meters kilometershigh long Practice Summary 1 newwords square meter deep desert population Asia tour tourist wall ancient protect wide 2 Tolearntocomparefacts3 Tolearntoexpresslargenumbers4 Tolearntotalkaboutgeographyandnature5 英语中长 宽 高 深等