英语人教版八年级下册unit7sectionA1.ppt

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1、Unit7Unit7What'sthehighestmountainintheworld?SectionA11a—2dPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲tourv.n.旅行touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔的Doyouknowtheseplaces?QomolangmaQomolangmarunsalongtheborderbetweenChi

2、naandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43metershigh,thehighestmountainintheworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’smorethan6600kilometerslong.Itrunsthrough9countries.It’soneofthelargestriversthatflowsthroughtheinternationalstatesinth

3、eworldandthatrunsintotheMediterraneanSea(地中海)intheend.theNiletheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Climateconditionsareverybad.Itisoneoftheearth’smostnot

4、suitableforbiologicalsurvivals.theSaharaTheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestAsianrivers.It’s6211.31kilometerslong.Itflowsthrough11provincesandrunsintotheEastSeainShanghaifinally.theYangtzeRiverWhichisthehighestmountainintheworld?Whichisthelongestri

5、verinAsia?...…Talkaboutthesepicturesinpairs.1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh…8,844.43metershigh.…8,844.43米高…metershigh(long,wide…)……米高（长，宽……)英语表示“有多长（宽，高……）”

6、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.ExplainationPracticeinpairslikethis:A:Whichisthehighestmountainintheworld?B:It’sQomolangma.PracticeA:Whatisthe…inthe…?B:…A:HowhighisQomolangma?B:It’s8,844.43metershigh.A:Howdeep/big/longis…?B:It’s…meters/kilometers….1bLi

7、stenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest1cUsetheinformationin1btomakeconver

8、sations.Whatisthehighestmountainintheworld?Qomolangma.Whatisthe…intheworld?