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1、Unit7What’sthehighestmountainintheworld?SectionA1a-2dSectionA1a-2dThesecondlongestriverintheworld-Doyouknowitsname?-ItisAmazon.-Doyouknowhowlongitis?-It’sabout6,500kilometerslong.SectionA1a-2dTheworld’shighestmountainintheworld.Doyouknowhowhighitis?Itis
2、8,844metershigh.QomolangmaSectionA1a-2dDoyouknowSaharaisthebiggestdesertintheworld?Yes,itisabout9,600,000squarekilometersinsize.SaharaSectionA1a-2dTheworld’sdeepestsaltlakeTheCaspianSeaDoyouknowthathowdeeptheworld’sdeepestSaltlake?Yes,itis1,025metersdee
3、p.SectionA1a-2dThelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.SectionA1a-2dLanguageGoal:TalkaboutgeographyandnatureSectionA1a-2dQomolangmaabout9,600,000squarekilometersinsizeTheSahara
4、1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.SectionA1a-2d1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheN
5、ileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest形容词副词变比较级规则1.一般在原级后加构成比较级,加构成最高级.smallyoung2.以不发音的字母e结尾的形容词,直接加构成比较级直接加构成最高级.nicelateerestsmallersmallestyoungeryoungestrstnicernicestlaterlatest形容词副词变比
6、较级规则3.以辅音字母+y结尾的形容词,变y为i,再加构成比较级再加构成最高级.busy4.在重读闭音节中,末尾只有一个辅音字母的形容词,要先双写这个辅音字母,再加构成比较级再加构成最高级.hoterestbusierbusiesteresthotterhottest形容词副词变比较级规则5.个别形容词的比较级和最高级是不规则变化,需个别记忆.good(well)bad(badly,ill)many(much)littlefarbetterbestworseworstmoremostlessleast
7、fatherfarthestfurtherfurthest形容词副词变比较级规则1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.PairworkA:Whatisthebiggestdesertintheworld?B:Sahara.A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.PairworkA:Whatist
8、helongestriverintheworld?B:Nile.Pairwork2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris__________kilometerslong.____Chinahasthebiggestpopulationinth
