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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2cChinaisoneoftheoldestcountries.It’sover________yearsold.Infact,it’soneofthefourancientcountriesintheworld.5,000AsChinese,howmuchdoyouknowaboutourmotherland?Chinahasthelargestpopulationintheworld.Eg.Therearesomanytouristsvisiting_
2、_____________.theGreatWallChinaisthebiggestcountryinAsia.Wealsohavesomefamousrivers.Eg.TheYangtzeRiveristhelongestriverinAsia.Qomolangmaisthehighestmoutainintheworld.Nowlet’enjoythebeautifulscenesofQomolangma:Presentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲t
3、ourv.n.旅行touristn.旅行者walln.墙amazingadj. 令人大为惊奇的ancientadj.古代的wideadj. 宽的；宽阔和theCaspianSea里海theSahara撒哈拉沙漠theNile尼罗河Qomolangma珠穆朗玛峰squaremeterdeepdesertpopulationAsiatourn.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠n.人口；人口数量n.亚洲n.&v.旅行；旅游Vocabularytouristwallamazingancientwiden.旅行者；观光者n.墙adj.令人大为惊奇的
4、；令人惊喜的adj.古代的；古老的adj.宽的；宽阔的theCaspianSea里海theSahara撒哈拉沙漠theNile尼罗河Qomolangma珠穆朗玛峰1,025metersdeepTheCaspianSeaItisthedeepestsaltlakeintheworld.Itis1,025metersdeep.Itisthebiggestdesertintheworld.Itisabout9,600,000squarekilometersinsize.TheSahara-TheNileIt’sabout6,671kilometerslong.It
5、’sthelongestriverintheworld.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.*英语大数字读法：从数字的右端向左端数起,每三位数加一个逗号“,”从右往左，第一个逗号、读成thousand（千），第二个逗号读成million（百万），第三个读成billion（十亿）。Eg.6，6718
6、，844.439,600,000*英语中表示“长，宽，高，深”等的结构是：主语+be+数字+量词+long/wide/high/deep…Eg.TheCaspianSeais1025metersdeep.1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.L
7、istenandcompletethesentences.higherthebiggestthedeepestthelongest构成原级比较级比较级单音节和少数双音节单词一般词尾加-er,-esttall,long,old,smalltaller,longer,older,smallertallest,longest,oldest,smallest以字母e结尾的形容词或副词,直接加-r,-stnice,fine,largenicer,finer,largernicest,finest,largest以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双
8、写该字母,再加-er,-estbig,hot,red
