Unit4SectionB(3a-3c)Writing课件人教版八年级英语上册

AmazingPlantsandAnimalsUNIT4SectionB(3a-3c)Writing1.learnsomefactsaboutthebluewhale.2.knowhowtousethefirstpersontorewriteapassage.3.learnthefeaturesofexpositionandtrytowritelogically.4.realizetheimportanceofprotectingthebluewhale.NewWords

oceann.

大海；海洋except

prep.

除……之外；除了tinyadj.极小的；微小的Thevastoceanwassilent,exceptforthetinysoundofadistantseagull.

广阔的海洋一片寂静，除了一只遥远海鸥微弱的叫声。liveupto达到；符合livelyadj.精力充沛的；生机勃勃的theArcticOcean北冰洋ThelivelysealmustliveuptothechallengesofsurvivingintheicyArcticOcean.

这只活泼的海豹必须不辜负在冰冷的北冰洋中生存的挑战。LookandshareDoyouknowwhoIam?abluewhaleWatchandlearnIttellsusmanyfactsaboutthebluewhaleWhat’sthetypeofthearticle?A.Itisanarration(记叙文)B.Itisanexposition(说明文)C.Itisanargumentation(议论文)D.Itisapracticalwriting(应用文)Pre-writing地位体重和喜爱基础介绍（范围、食物、寿命）及贡献呼吁保护Thebluewhaleisthelargestandheaviestanimalonearth.Itcanweighasmuchas200tons.Manypeoplelikewatchingbluewhalesswim,andtheythinkitisoneofthemostbeautifulthingstosee.BluewhalesliveinalloceansexcepttheArcticOcean.Theyeatalot,buttheyeatsomeofthetiniestanimalsintheocean.Abluewhalecaneataroundfourtonsoftheseaday.Bluewhalescanliveupto90years.Whenabluewhalediesatsea,itbecomesfoodformanykindsofanimalslivinginandaroundthesea.Thisfoodlastsforoverayearandithelpstocreatealivelyandhealthyecosystem.Bluewhalesplayanimportantroleinourworld,sowemustprotectthem.在地球上多达，达到……之多/ˈəʊʃn/n.大海；海洋/ɪkˈsept/prep.除……之外；除了tiny/ˈtaɪni/adj.极小的；微小的liveupto达到；符合lively/ˈlaɪvli/adj.精力充沛的；生机勃勃的扮演一个重要的角色ReadandlearnBluewhalefactsWeightWheretheyliveFoodHowlongtheyliveRoleinecosystemItcanweighasmuchas200tons.InalloceansexcepttheArcticOcean.Aroundfourtonsofthemaday.Upto90years.Itplaysanimportantroleinourworld.Readthetextandcompletethetable.3a人称:由第三人称变成第一人称内容要点:要点不能省略或者遗漏。语言:个别句子需要变化结构weightlivingareafoodamountoffoodeatenhobbiesImagineyouareabluewhale.Usethefirstpersontorewritethefirstparagraph.3bWhatshouldwemainlypayattentiontowhenrewritingthearticle?Helloeveryone!MynameisBillytheBlueWhale.Iam_____________________________________________________________________________________________________

I’mheavy,butIlove________________________________________________________

_________________________________________________________________________.Ilivein__________________________________________________________________.

Myfavouritefoodis_________________________________________________________Icaneat__________________________________________________________________.thelargestandheaviestanimalonearth.Icanweighasmuchas200tons./Myweightisasmuchas200tons.Imagineyouareabluewhale.Usethefirstpersontorewritethefirstparagraph.3bHi,bluewhale!What’syourname?MynameisBilly.Whereareyoufrom?I’mfromthedeepoceans.AreyoufromtheArcticOcean?No,I’mfromthePacificOcean.TheArctic

Oceanisnotsuitableforusthelivein.Oh,Isee.Whatdoyouusuallyeat?…Thinkaboutwhatitmightbeliketobeabluewhale.Wheredotheylive?Howdoesthataffectthem?Whatmighttheylikeanddislike?Whatmightbeimportanttothem?Whatpersonalitymighttheyhave?Howmighttheyspeakiftheycould?Whatemotionsmighttheyhave?人称：第一人称叙事时态：一般现在时为主语言风格：生动活泼文体：自身特性介绍，说明文。可在事实基础上进行创意发挥Helloeveryone!MynameisBillytheBlueWhale.Iamthelargestandheaviestanimalonearth!Iweighover100tons.I’mheavy,butIlovetoswim.IliveintheoceanandIloveithere.ButIdon’tgototheArcticbecauseit’stoocold!Icaneatsomeofthetiniestanimalsintheocean.Icaneatseveraltonsofthemeveryday.Completeyourpassageaboutthebluewhalebasedonthetextin3a.DidyouknowIcanliveupto90years?That’saboutaslongashumans!Whenmylifeendsintheocean,mybodybecomesasuperimportantbuffetforanimalslivinginandaroundthesea.Byhelpingsomanyanimalssurvive,Ikeeptheoceanhappyandhealthy.That’swhyhumansneedtoprotectmywhalefamily.评价内容评价标准框架结构(Structure)能够详略得当地安排段落具体内容(Content)能够具体、清晰地用已知数据描述蓝鲸语言表达(Language)能够使用简明的、准确的、活泼的语言表达书写质量(Handwriting)书写规范、字母大小写、标点符号、涂改规范等Exchangeyourpostwithyourpartnerandfinishthechecklist.LanguagePointsBluewhalesliveinalloceansexcepttheArcticOcean.

蓝鲸生活在除北冰洋意外的所有海洋中。except

prep.

除……之外；除了except+sth/that从句除了……

exceptfor...除……之外，侧重于对整体的细节修正e.g.EveryoneishereexceptTom.除了Tom，所有人都在这儿。

Thecompositionisverygoodexceptforsomespellingmistakes.这篇文章非常好，除了有一些拼写错误。

=Thecompositionisverygoodexceptthattherearesomespellingmistakes.except除……之外没有……exceptfor除……之外but除……之外besides除……之外还有……except,exceptfor,but,besides着重强调在同类人或物中除去一个或几个人或物，表示一种排除关系，有“减法”之意。表示对整体主要部分的肯定和对局部的否定，起部分修正作用。和except的用法基本相同，但着重强调整句的内容，习惯上用于no,nothing,anything等词之后。在整体中加入一部分，表示一种“累加”关系，有“加上”之意。Weareallhere___________Tom.Heisagoodman_______________hisbadtemper.Shecoulddonothing___________cry._____________milk,weneedvegetables.【语境应用】根据句意完成句子。1)除Tom之外，我们都在这里了。2)除了脾气有点差之外，他是一个好人。3)她除了哭什么都做不了。4)除了牛奶，我们还需要蔬菜。except/butexceptforbutBesides2.Bluewhalescanliveupto90years.蓝鲸的寿命可达90年

。liveupto达到；符合（期望等）；活到（某年龄等）e.g.Healwayslivesuptohisparents’hope.他总是不辜负父母的希望。【拓展】同义词reach达到（某一数量、程度、年龄等

）；在表示活到某一年龄时，可与“liveupto”替换。Sometreescanreachaheightof30meters.有些树能长到30米高

。Somepeoplecanreach90yearsold.有些人能活到90岁

。3.Whenabluewhalediesatsea,itbecomesfoodformanykindsofanimalslivinginandaroundthesea.

当一头蓝鲸在海洋中死去时，它会成为生活在海洋里及