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1、Unit7What'sthehighestmountainintheworld?WordsandExpressionsSectionA11a—1cRelaxyourselfandenjoylifeDoyouhavestressfromwork,schoolorlife?Whynottravelaroundtheworld?Let’senjoythebeautifullandscapesaroundtheworld!QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itisco
2、veredwithsnowalltheyearround.It’s26kilometerslong.theSaharaTheSaharaislocatedinthenorthernAfrica,climateconditionsareverybad.Itisoneoftheearth’smostnotsuitableforbiologicalsurvival.theCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.th
3、eNileTheNilerunsthrough9countries,it’soneofthelargestriver.theYangtzeRiverTheYangtzeRiveristhethirdlongestriverintheworld.Itpassesthrough11provinces.ItrunsintotheEastSeainShanghaifinally.Learnthewordsandexpressions.Presentationsquaren.平方metern.米deepadj.深的desertn.沙漠Qomolangm
4、a珠穆朗玛峰TheCaspianSea里海TheNile尼罗河TheSahara撒哈拉沙漠squaremeterdeepdesertQomolangmaTheNileTheSaharaWordsn.米；公尺adj.深的；纵深的n.沙漠珠穆朗玛峰尼罗河撒哈拉沙漠n.平方；正方形TheCaspianSea里海thelongestriverintheworld.TheNile-Doyouknowhowlongitis?-It’smorethan6,671kilometerslongBeautifullandscapesThesecondlonges
5、triverintheworld-Doyouknowitsname?-ItistheAmazonRiver.-Doyouknowhowlongitis?-It’sabout6,500kilometerslong.ThelongestriverinAsia.TheYangtzeRiver-Doyouknowhowlongitis?-Itis6,211.31kilometerslong.Thehighestmountainintheworld.-Doyouknowhowhighitis?-Itis8,844.43metershigh.Qomola
6、ngmaDoyouknowSaharaisthebiggestdesertintheworld?-Howlargeisit?-Itisabout9,600,000squarekilometersinsize.TheSaharaTheworld’sdeepestsaltlakeTheCaspianSeaDoyouknowthathowdeeptheworld’sdeepestSaltlakeis?-Itis1,025metersdeep.-Howdeepisit?1,025Howdoyoureadthesenumbers?6,6719,600,
7、0008,844.438,844.43metershighQomolangmaeightthousandeighthundredandforty-fourpointfourthreeWhatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaOnethousandandtwenty-fiveWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileSixthousandsixhundredandseve
8、nty-oneWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSah
