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1、SectionA11a—2cUnit7What'sthehighestmountainintheworld?Freetalk!班级之最Let’sreadnumbers2.3451656,671600,0009,600,0001,300,000,000twopointthreeforty-fiveonehundredandsixty-fivesixthousandsixhundredandseventy-onesixhundredthousandninemillionsixhundredthousandonebillionthreehundredmillio
2、nbillion十亿million百万thousand千111,121,435,678111,121,435,678billionmillionthousandonehundredandelevenbilliononehundredandtwenty-onemillionfourhundredandthirty-fivethousandsixhundredandseventy-eight十亿的读法Canyoureadthem?8,4485,6544,3219,54323,34534,66643,23367,3212米长1米宽150米高1125米深1.5米厚
3、9,600,000平方公里twometerslongonemeterwideonehundredandfiftymetershighonethousandonehundredandtwenty-fivemetersdeeponepointfivemetersthick数词+单位+形容词(long,wide,high,deep,thick)面积：数词+单位+insizeninemillionsixhundredthousandsquarekilometersinsize1,025Howdoyoureadthesenumber?6,6719,600,0008,
4、844.43Whatdoyouknowaboutthenumber8,8844.43?QomolangmaWhatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSaharaMatchthefactsyouknow
5、.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a________metershigh________meterslong________metersdeep8,844.436,6711,025________squarekilometersinsize9,600,000QomolangmatheNiletheCaspianSeatheSaharaH
6、owhigh/long/deep/bigis...?1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis___________riverintheworld.higherthebiggestthedeepestthelongestanyother+
7、n单数A:What’sthehighestmountainintheworld?B:Qomolangma.It’shigherthananyothermountainintheworld.C:Howhighisit?D:It’s8848.43metershigh.1cPairworkUsetheinformationin1btomakeconversationsGeographicalfacts地理常识thelongestriver(has)thebiggestpopulationthehighestmountainthebiggestcountrythe
8、biggestdesertthebiggestsaltlaketh
