8下Unit7 Section A 1 1a-1c.ppt

Unit7Whatsthehighestmountainintheworld?,WordsandExpressions,SectionA11a2d,Presentation,squaren.平方,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,amazingadj.令人大为惊奇的,ancientadj.古代的,Letsenjoythejourneyaroundtheworld！,Chengdu,-thehightestmountainintheworld.,Qomolangma,highest,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43metershigh,thehighestmountainintheworld.Its26kilometerslong.,theNile-thelongestriver尼罗河-世界最长河流,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries.ItsoneofthelargestriversthatflowsthroughtheinternationalstatesintheworldandthatrunsintotheMediterraneanSea(地中海)intheend.,theNile,theCaspianSea-thebiggestsaltlake里海-世界最大咸水湖,theCaspianSea,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,theSahara-thebiggestdesert撒哈拉沙漠-世界最大沙漠,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Climateconditionsareverybad.Itisoneoftheearthsmostnotsuitableforbiologicalsurvivals.,theSahara,theAmazonRiver-thebiggestriver亚马孙河-世界最大河流,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestAsianrivers.Its6211.31kilometerslong.Itflowsthrough11provincesandrunsintotheEastSeainShanghaifinally.,theYangtzeRiver,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1aMatchthefactsyouknow.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,1cUsetheinformationin1btomakeconversations.,Whatisthehighestmountainintheworld?,Qomolangma.,Whatistheintheworld?,.,RevisionandExplaination,theNile,theYangtzeRiver,A:HowhighisQomolangma?B:Its8,844.43metershigh.,A:Howdeep/big/longis?B:Itsmeters/kilometers.,8,844.43metershigh.8,844.43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.Th