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九年级英语 Book 15 Unit 3 (I)知识精讲 北师大版
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初三英语Book15Unit3(I)北师大版【本讲教育信息】一.教学内容：Book15Unit3(I)使用形容词，副词的比较级和最高级句型描述、比较不同事物的特征。二.本周教学重点：1.形容词，副词的比较级和最高级。2.重点词汇和词组。三.具体内容：（一）形容词，副词比较级和最高级的构成。（二）比较级用法：1.同级比较时（a=b），用“as+形容词，副词原级+as”，表示……和……一样Thisnewspaperisasexpensiveasthatone.Todayisascoldasyesterday.Theyhaveasmanythingstodoaswedo.2.如果a=b,用notas/so…as,表示。。。不及。。。。Yourbagisnotas/sobigashis.Thereisnotas/somuchrainthisyearaslastyear.Itisnotas/socoldinNanjingasinBeijing.Theearthisbiggerthanthemoon.Ithinklisteningtosongsismoreexcitingthanreading.Therearemorehousesinthisareathaninthatone.4.在形容词，副词的比较级前，可加某些程度副词或词组来修饰，如much,far,alot,agreatdeal,even,still,alittle,abit等。Icanbelieveyoursoniseventallerthanyou.HeismuchyoungerthanI.5.双重比较（1）比较级+and+比较级，表示越来越。。。Theweatherisgettingwarmerandwarmer.Ibelieveourcountrywillbecomestrongerandstronger.（2）the+比较级……，the+比较级……表示越……就越……ThemoreyoureadandlistentoEnglish,thefeweryoumakemistakes.Theharderyouwork,thebetteryouget.6.表示倍数，百分数和分数的比较级与程度副词一样，要把倍数，百分数和分数放到比较级前。Theroadisonethirdlongerthanthatone.Heis6yearsolderthanyou.（三）形容词，副词的最高级：1.三个或三个以上的人或事物进行比较用最高级。其结构是：the+最高级+范围Peteristhecleverestboyinourclass.Whichisthemostinterestingmovieyouhaveseen?Whoistheyoungestofalltheteachersinyourschool?2.形容词的最高级前表示‘第几’，用the+序数词+形容词的最高级+名词Mikewasthesecondtallestbasketballplayerinourschool.3.形容词的最高级前有物主代词时，不再加theHeshowedmehisbeststampcollection.（四）重点词汇：1.Youcanmovefromonenewssitetoothersiteswithsimilarinformation.similartosb./sth.Wehaveverysimilarinterests.Goldissimilarincolortobrass.2.Onaverage,IlookatnewswebsitestwiceasoftenasTVprograms.Onaverage,thereareabout10classesinGrade1everyyear.3.However,somenewschannelsareonTValldayandso,inthisway,theyarethesameasInternetwebsites.thesameas表示和……一样，相当于as…asThisbookisthesameasthatone.Thesepensarenotthesameastheothers.4.Websitessometimeshaveshortvideosbutoftenthesearetoolargetoopen.Sheistooexcitedtospeak.Youaretooyoungtogotoschool.5.atanytimeThisisa24-hourfastfoodrestaurant.Youcangothereatanytime.Youcancallmeatanytime.6.atcertaintimesThenewsisonTVonlyatcertaintimes,soitisnotasrecentastheInternetnews.7.insteadofCouldIhavechickeninsteadofpork?（五）课文写作框架：Paragraph1 Generalintroduction Let’scomparetwotypesofnews.Paragraph2 AdvantagesofTVnews 1.Seeandhearrealpeople.2.Thepicturesandsoundarebetter.3.Someonehasalreadychosenthemostimportantnews.Paragraph3 DisadvantagesofTVnews 1.TVnewsisnotasrecentastheInternetnews.2.TVnewsprogramshaveads.Paragraph4 AdvantagesoftheInternetnews 1.Youcanseethematanytime.2.Thenewsisupdatedallthetime.3.It’seasytofindsimilarinformation.4.Youcancommentorjoininadiscussion.
