初中英语教学课件：Unit 7 Whats the highest mountain in the world SectionA1.pptx

Unit7

Unit7What’sthehighestmountainintheworld?

1.Tobeabletocatchnumbersinlistening2.Tolearntocomparefactsbygivingnumbers3.Tolearntotalkaboutgeographyandnature

squaremeterdesertpopulationAsiatourtouristwalln.平方；正方形n.(=metre)米；公尺n.沙漠n.人口；人口数量n.亚洲n.v.旅行；旅游n.旅行者；观光者n.墙

deepwideancientman-madeProtectasfarasIknowfeelfreeadj.深的；纵深的adj.宽的；宽阔的adj.古代的；古老的adj.人造的v.保护；防护就我所知(可以)随便(做某事)

Canyoureadthesenumbers?6,6719,600,0008,848.86sixthousand,sixhundredandseventy-oneeightthousand,eighthundredandforty-eightpointeightsixninemillion,sixhundredthousand1,025onethousandandtwenty-five

1—12:(记住每个单词)13—19:-teen(thir-,fif-,eigh-)20—90:-ty(twen-,thir-,for-,fif-,eigh-)21—99:十位_个位100,200,...900:one,two,…hundred101—999:one,two,…hundredand__个位十位___个位【小结】多位数:______billion(十亿),______million(百万),_____thousand,______hundredand个位十位___个位__

Whatdoyouknowaboutthefournumbers?Qomolangmais8,848.86metershigh.TheNileis6,671kilometerslong.TheCaspianSeais1,025metersdeep.TheSaharaisabout9,600,000squarekilometersinsize.8,848.866,6711,0259,600,000

GeographicalFactsWhat’sthehighestmountainintheworld?Whichisthedeepestsaltlakeintheworld?Whichisthelongestriverintheworld?What’sthebiggestdesertintheworld?Whichisthesecondlongestriverintheworld?

Matchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,848.86metershigh…8,848.86metershigh…8,848.86米高…metershigh(long,wide…)……米高（长，宽……)e.g.Thewallis1.7meterswide.【注解】

Listenandcompletethesentences.1.Qomolangmais_______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis___________riverintheworld.higherthebiggestthedeepe