八下U7 SectionA（1a-1c）.ppt

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1、Unit7What'sthehighestmountainintheworld?SectionA1a-1cIt’s8844.43meters（米）high,thehighestmountainintheworld.Qomolangma珠穆朗玛峰TheNileisthelongestriverintheworld.It’s6,671kilometerslong.theNile尼罗河Doyouknowtheseplaces?theCaspianSea里海TheCaspianSeais1,025metersdeep（深的）.Itisthedeepestofallthesalt

2、lakes(盐湖).TheSaharaisthebiggestdesert（沙漠）intheworld.It’sabout9,600,000square（平方）kilometersinsize.theSahara撒哈拉沙漠生词学习Qomolangma/tʃəuməula:gmə:/珠穆朗玛峰theNile/nail/尼罗河theCaspian/kæspiən/Sea里海theSahara/sə:ha:rə/撒哈拉沙漠square/skwεə/n.平方meter/mi:tə/n.米deep/di:p/adj.深的desert/desə:t/n.沙漠＇＇＇＇＇＇1aMatc

3、hthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighHowhighisQomolangma?It’s8,844.43metershigh.HowbigistheSahara?It’sabout9,600,000squarekilometersinsize.HowdeepistheCaspianSea?It’s1,025metersdeep

4、.HowlongistheNile？It’s6,671kilometerslong.Practice探究一1）对于物体长、宽、高、深度、面积的表达Eg:20米长20meterslong;10米宽______________;15米深______________;30米高______________;2平方米2squaremeters.表达长、宽、高、深度：数词meters/kilometerslong/wide/high/deep表达面积：数词squaremeters/kilometers10meterswide15metersdeep30metershighWhatd

5、oyouknowabouttheseplaces?theCaspianSea里海TheSahara撒哈拉TheNile尼罗河Qomolangma珠穆朗玛峰1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.hig

6、herthebiggestthedeepestthelongest注意：形容词的最高级前一定要有定冠词the。than后接比较的对象，比较级标志；in，of表示比较的范围，最高级标志。注意：anyother意思为“其他任何一个”，其后面跟名词的单数形式。1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallth

7、esaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestReadthesentencestogether,please!看图说话要求：1.分别用比较级和最高级造一个句子。2.请使用如下关键词：tall，than，of，boyThisboyistallerthananyotherboyinourclass.Thisboyisthetallestofalltheboysinourclass.看图说话要求：1.分别用比较级和最高级造一