高一英语 Unit7 lesson3 The Sea world-grammar课件 北师大版必修3.ppt

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1、M3U7LESSON3-2TheSeaWorldGrammarObjectivesBytheendofthelesson,you’llbeabletotelltherulesofmakingcomparison;usethestructurestomakecomparison.Structure&meaningTheyhaveahugemouthandcaneatfishasbigasthemselves.Thetiniestfishisnotasbigasaflyinyourhouse.和……一样……不如……同级表达形式：(not)as+原形+asWhatdotheyhav

2、eincommon?asbigasnotasbigasPractice他捕了一条和自己一样大的鱼。Hecaughtafishasbigashimself.Thefishhecaughtisasbigashimself.PracticeAsharkisnotasfriendlyasadolphin.鲨鱼可没海豚那么友善。比较级表达形式：原形+er；more/less+原形Crabsaresmallercreaturesinthesea.Penguinsaremorefriendlythanseals.Flyingfisharelesscolorfulthansomeotherf

3、ish.Structure&meaningCanyousummarizetherule?Practice企鹅比北极熊滑稽。Penguinsarefunnierthanpolarbears.PracticeAsharkisnotasfriendlyasadolphin.Asharkislessfriendlythanadolphin.鲨鱼没有海豚那么友善。最高级表达形式：原形+est；most+原形Youcanseesomeofthestrangestfishintheworld.Virtualvoyageisourmostup-to-dateattraction.Struct

4、ure&meaningWhatrulesdoyoufind?7PracticesmallerthemostintelligentThebiggestthemostpopulartheeasiestbetterthefriendliest1234567常见难点句式1.倍数与差额Somefishcanproducesoundsalmosttwiceasloudasyourspeakingvoice!Theirschoolyardisfourtimesaslargeasours.HeisaheadtallerthanIam.Wearrivedtheretwohoursearlier

5、thantheotherteam.常见难点句式1.倍数与差额姚明快有两个我那么高了。你的门票比我的便宜一百元。YaoMingisalmosttwiceastallasIam.Yourticketis100yuancheaperthanmine.2.比较级表示最高级常见难点句式Youcertainlywon’tfindanoisierfish.Themovieisfantastic.I’veneverseenabetterone.Ican’tagreemore.ChinaislargerthananycountriesinAfrica.Heistallerthananyothe

6、rboysintheclass.LanguageinuseLanguagesupport1.convenient,expensive,cheap,far,fast,beautiful,amazing…2.♠more…than…;less…than…♠Themore,themore♠two/threetimes…morethan…♠Youcertainlywon’tfindabetteraquariumlike...学案练习IIICheckyourlearning1.变为比较级和最高级形式strongprettycarefulreliable2.汉译英蛤蟆鱼(toadfish)

7、比蛤蟆还难看。海豚和海豹一样有活力。Atoadfishisuglierthanatoad.Dolphinsareasenergeticasseals.学生板书HomeworkDoP58—P59--Ex.1,2,3,4(任选两题)!