【文档说明】《Unit 7 What’s the highest mountain in the world Section A Grammar focus 4a-4c》教学设计4-八年级下册新目标英语【人教版】.docx，共(3)页，15.771 KB，由小喜鸽上传

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Period3SectionA3Grammarfocus-4cStep1RevisiontheNiletheYangtzeRivertheYellowRiver6,671km6,300km5,500kmTheYellowRiverislong.TheYangtzeRiverisalot___

____thantheYellowRiver.TheNileis____________ofall.TheYangtzeRiverisnot____long____theNile.=TheYangtzeRiverisnot_______thant

heNile.Step2Grammarfocus(Studentscomletethesentences)—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’

s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofall

thesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.Step3Grammar(Tea

cherconcludesandexplains)我们已经学习过形容词和副词的比较级和最高级的构成及基本用法。下面我们进一步学习与其相关的其他知识点。(Teacherhandsoutpaper,thenstudentsteachbythemselves)1.比较级前可

加much,alot,abit,alittle,any,no,some,even,still等词修饰。如：Youmustworkmuchfaster.Youlookalothappierthanyoudidyesterday.H

ewastootiredtowalkanyfurther.Thisbookisevenmoreusefulthanthatone.2.比较级前还可加其他表示数量的词。如：Mysisteristenyearsyoungerthanme.Wereached

heretwodaysearlierthantheothers.◆形容词和副词最高级的其他用法1.形容词最高级可被second,third等序数词修饰。如：TheAmasonisthesecondlonges

triverintheworld.2.形容词最高级常用于句型“oneof+the+形容词最高级+可数名词的复数形式”，意为“最……之一”。如：LiuLiisoneofthemostpopulargirlsinourclass.3.形容词和副词的比较级和最高级可以互相转换。如

：Janeistallerthantheothergirls/anyothergirlintheclub.=Janeisthetallestgirlintheclub.theother+复数名词=anyother+单

数名词4.the+比较级：两者之最e.g:Sheisthetallerofthetwins.5.隐性比较（没有than的情况）e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Hewor

kedhardlastterm,butheworksevenharderthisterm6.越来越......比较级+and+比较级e.g.It’sgettingcolderandcolder.7.the+比较级+句子，the+比较级+句。Themor

eyouexercise,thebetteryouare.同级比较as+adj./adv.+as：与……一样e.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+as

：与……不一样e.g.Tonydidn’trunsofastasCarterStep4Do4a.Fillintheblankswiththecorrectformsofthewordsinthebox.big

muchpopularlongoldhigh1)TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_______thantheYangtzeRiver.2)Qomolangmais8,84

4.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.(3)Nooceanintheworldisas_____astheP

acificOcean.4)AlthoughJapanis_______thanCanada,itis_______smaller.Step5Exercises一.根据句意，用括号内所给单词的适当形式填空。1.The

snowherewas______(thick)thanthatoverthere.2.Ithinkmountainclimbingis______________(dangerous)thanrunning.3.Ofalltheboys,Daveisthe

_____________(outgoing).4.Whichmountainrises_________(high),MountTai,MountHuangorMountTianzi?5.Thisroadisalmostas_____(long)ast

hatone.二．根据汉语意思完成英语句子，每空一词。1.我觉得滑冰是最受欢迎的运动之一。Ithinkskatingis___________________________.2.这只熊猫看上去比那只壮得多。Thispandalooks__________

___thanthatone.3.你越吃得多，你就越胖。————youeat,_________youwillbe.4.在这里双龙湖比其他任何湖都深。ShuanglongLakeis__________________lakehere.

5.格林城与阳光城一样古老。GreenCityis_______SunCity.Step6Do4b.Writetwocomparisonsabouttwotopics.Writetruefacts.e.g

.Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelo

ngestriverinChina.Twocities:___________and___________1._____________________________________________________________

__.2._______________________________________________________________.Twoanimals:___________and___________1.____________________

__________________________________________.2.______________________________________________________________.Step6Do4c.W

ritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1)Whatisthehighestbuildinginourcity?2)Whatisthebusiestsubwayst

ationinoutcity?3)Whatisthelargestshoppingmallinourcity?4)Whichisthebiggestparkinourcity?5)Whichisthelongestroadinourcity?Step7Home

work1.Memorizetheimportantstructure.2.Makesomesentencesusingas…as,...times…than,lessthan,morethan.BlackboardDesignUnit7What,sthehig

hestmountainintheworld?原级:long，popular标志very,too,quite,pretty,so比较级:longer，morepopular标志than最高级:longest，mostpopular标志in（of）短语同级比较:as…+原级…as…

….