英语人教版八年级下册unit 7 section A 1a-2d.ppt

Unit7What sthehighestmountainintheworld SectionA11a 2d Doyouknowtheseinterestplaces Qomolangma QomolangmarunsalongtheborderbetweenChinaandNepal Itiscoveredwithsnowalltheyearround It s8844 43high thehighestintheworld It s26kilometerslong TheNileisthelongestriverintheworld It smorethan6600kilometerslong Itrunsthrough9countries it soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea 地中海 intheend theNile theCaspianSea TheCaspianSeaisthebiggestlakeintheworld ItliesintheborderbetweenAsiaandEurope TheSaharaisthebiggestdesertintheworld ItislocatedinthenorthernAfrica climateconditionsareverybad isoneoftheearth smostnotsuitableforbiologicalsurvival theSahara TheYangtzeRiveristhethirdlongestriverintheworld thefirstAsianrivers It s6211 31kilometerslong TheYangtzeRiverBasin east westwidthof3219kilometers about966kilometerswidenorth south passingthrough11provinces ItrunsintotheEastSeainShanghaifinally theYangtzeRiver Whichisthehighestmountainintheworld WhichisthelongestriverinAsia Talkaboutthesepicturesinpairs 1aMatchthefactsyouknow Practiceinpairslikethis A Whatisthe inthe B Practice 8 844metershigh 8 844米高 metershigh long wide 米高 长 宽 英语表示 有多长 宽 高 时 一般将数词和数量单位放在表示长宽高的形容词前作状语 e g Thewallis1 7metreswide Explaination A HowhighisQomolangma B It s8 844metershigh Practice Thebiggestdesertintheworldisabout8 000 000squarekilometersinsize HowbigistheSahara It sabout8 000 000squarekilometersinsize 1bListenandcompletethesentences 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld higher thebiggest thedeepest thelongest 1cUsetheinformationin1btomakeconversations Whatisthehighestmountainintheworld Qomolangma 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 Practice A DidyouknowthatYangtzeRiveristhelongestriverinChina B Yes Idid It s6 300meterslong B Wow That slong 2dReadtheconversationandanswerthequestions 1 Whichisthebiggestman madeobjectsintheworld 2 Whichisthemostfamouspartofthe