Unit4

AmazingPlantsandAnimalsSectionB（3a-3c）Learningobjectives能回顧并運(yùn)用形容詞最高級(jí)的構(gòu)成及句型（如“the+最高級(jí)+in/of+范圍”），結(jié)合藍(lán)鯨相關(guān)信息完成寫作能理解并正確使用形容詞和副詞的最高級(jí)來表達(dá)差異

激發(fā)對(duì)海洋生物的興趣，樹立保護(hù)瀕危動(dòng)物的意識(shí)，體會(huì)用英語介紹自然生物的成就感。Lead-inWhatdoyouknowaboutthebluewhale?Isitbig?Whatmakesitspecial?

While-readingReadthetextandcompletethetable.Pre-writing3aBluewhalefactsWeightWheretheyliveFoodHowlongtheyliveRoleinecosystem

While-readingReadthetextandcompletethetable.Pre-writing3aWhat’sthetextmainlytalkabout?Ittalksaboutthebluewhale.Wecanpredictthemaincontentofthearticlethroughthetitleandpictures.Thebluewhaleisthelargestandheaviestanimalonearth.Itcanweighasmuchas

200tons.Manypeoplelikewatchingbluewhalesswim,andtheythinkitisoneofthemostbeautifulthingstosee.BluewhalesliveinalloceansexcepttheArcticOcean.Theyeatalot,buttheyeatsomeofthetiniestanimalsintheocean.Abluewhalecaneataroundfourtonsoftheseaday.Bluewhalescan

liveupto90years.Whenabluewhalediesatsea,itbecomesfoodformanykindsofanimalslivinginandaroundthesea.Thisfoodlastsforoverayearandithelpstocreatea

lively

andhealthyecosystem.Bluewhalesplayanimportantroleinourworld,sowemustprotectthem./????n/n.大海；海洋/?k?sept/prep.除……之外；除了tiny/?ta?ni/adj.極小的；微小的lively/?la?vli/adj.精力充沛的；生機(jī)勃勃的Pre-writing在地球上多達(dá)，達(dá)到……之多l(xiāng)iveupto達(dá)到；符合一個(gè)生機(jī)勃勃和健康的生態(tài)系統(tǒng)扮演一個(gè)重要的角色BluewhalefactsWeightWheretheyliveFoodHowlongtheyliveImportanceinnatureasmuchas200tonsalloceansexcepttheArcticOceantiniestoceananimalsupto90yearsfoodforotheranimals,createalivelyandhealthyecosystem2Readthetextandcompletethetable.3a

Imagineyouareabluewhale.Usethefirstpersontorewritethefirst

paragraph.Helloeveryone!MynameisBillytheBlueWhale.Iam

_____________________________________I’mheavy,butIlove___________________________________________

____

___.Ilivein_______________________________________________________.

Myfavouritefoodis____________________________________Icaneat_____________________________________________________________.thelargestandheaviestanimalonearth.swimmingintheocean.Manypeoplelikewatchingmeswim,andtheythinkIamoneofthemostbeautifulthingstoseealloceansexcepttheArcticOcean.someofthetiniestanimalsintheocean.aroundfourtonsofthemaday.3bcool→Completeyourpassageaboutthebluewhalebasedonthetextin3a.Icanliveupto90years.WhenIdie,Ibecomefoodformanykindsofanimalslivinginandaroundthesea,Thisfoodlastsforoverayearandithelpstocreatealivelyandhealthyecosystem.SoIplayanimportantroleintheocean'secosystem.Pleaseprotectme.3cPost-writingPeerReview同伴互評(píng)

內(nèi)容完整性（是否涵蓋所有要點(diǎn)，事件描述是否詳細(xì)）

結(jié)構(gòu)合理性（開頭、中間和結(jié)尾是否清晰，段落之間過渡是否自然）

語言準(zhǔn)確性（語法錯(cuò)誤、詞匯拼寫錯(cuò)誤的數(shù)量）

語言豐富性（是否使用了多樣化的詞匯和句型）

情感表達(dá)（是否真實(shí)、真摯地表達(dá)了自己的感受）Post-writingPresentationandSharingIcanliveupto90years.WhenIdie,Ibecomefoodformanykindsofanimalslivinginandaroundthesea...Langagepoints1.Manypeoplelikewatchingbluewhalesswim,andtheythinkitisoneofthemostbeautifulthingstosee.許多人喜歡觀賞藍(lán)鯨游泳，他們認(rèn)為這是最美麗的景象之一。辨析:watchsbdosth與watchsbdoingsthwatchsbdosth觀看某人做某事,強(qiáng)調(diào)看到動(dòng)作發(fā)生的全過程watchsbdoingsth觀看某人正在做某事,強(qiáng)調(diào)看到動(dòng)作正在進(jìn)行e.g.Iwatchedhimgetintotheroom.我看到他進(jìn)了那個(gè)房間。e.g.Hewatchedthemeating.他看見他們正在吃東西。Langagepoints2.BluewhalesliveinalloceansexcepttheArcticOcean.藍(lán)鯨生活在除北冰洋以外的所有海洋中。辨析:except,exceptfor,but與besidesexcept除……之外(沒有…)，著重強(qiáng)調(diào)在同類人或物中除去

一個(gè)或幾個(gè)人或物,表示一種排除關(guān)系,有“減去”之意。exceptfor除……之外，表示對(duì)整體主要部分的肯定和對(duì)局部的否定,起部分修正作用but除……之外，和except的用法基本相同,但著重強(qiáng)調(diào)整句的內(nèi)容,習(xí)慣上用于no,nothing,anything等詞之后besides除……之外(還有…)，指在整體中加入一部分,表示一種累加關(guān)系,有“加上”之意LangagepointsexceptWeareallhereexcept/butTom.除湯姆之外,我們都在這里了。(不包括Tom)exceptforHeisagoodmanexceptforhisbadtemper.除了脾氣有點(diǎn)兒差之外,他是一個(gè)好人。butShecoulddonothingbutcry.她除了哭什么都做不了。besidesBesidesmilk,weneedvegetables.除了牛奶,我們還需要蔬菜。(也需要牛奶)LangagepointsexceptWeareallhereexcept/butTom.除湯姆之外,我們都在這里了。(不包括Tom)exceptforHeisagoodmanexceptforhisbadtemper.除了脾氣有點(diǎn)兒差之外,他是一個(gè)好人。butShecoulddonothingbutcry.她除了哭什么都做不了。besidesBesidesmilk,weneedvegetables.除了牛奶,我們還需要蔬菜。(也需要牛奶)Langagepoints3.Thisfoodlastsforoverayearandithelpstocreatealivelyandhealthyecosystem.這些食物能維持一年多，有助于創(chuàng)造一個(gè)生機(jī)勃勃、健康的生態(tài)系統(tǒng)。last①【不及物動(dòng)詞】持續(xù),延續(xù)，常與時(shí)間段連用。Howlongwillthebadweatherlast?這種壞天氣會(huì)持續(xù)多久?Oursummervacationlastslong,fornearlytwomonths.我們的暑假持續(xù)時(shí)間很長將近兩個(gè)月。Langagepoints②【形容詞】上一個(gè)的;剛過去的;最后的lastweek上周thelastbus末班公共汽車③【副詞】最后;上一次;最后一次e.g.Whendidyoulastseehim?你上一次見到他是什么時(shí)候?④【名詞&代詞】最后的人或事物e.g.Hewasthefirsttoarriveandthelasttoleave.

他到得最早，離開得最晚。Langagepoints4.Howlongtheylive它們的壽命辨析:howlong,howoften,howsoon與howfarhowlong多長時(shí)間;(物體)多長,用來詢問時(shí)間的長短或物體的長度howoften多久一次,用來提問動(dòng)作發(fā)生的頻率，常用表示頻率的詞或短語作答howsoon多久以后,用來詢問將來的時(shí)間，指時(shí)間還有多久，多提問“in+時(shí)間段”howfar多遠(yuǎn),用來詢問距離，指路程的遠(yuǎn)近Langagepoints4.Howlongtheylive它們的壽命e.g.Howlongistheruler?這把尺子有多長?e.g.—Howoftendoyouexercise?你多久鍛煉一次?—Threetimesaweek.一周三次。e.g.—Howsoonwilltheycomeback?他們多久以后回來?—Intwoweeks.兩周后。e.g.—Howfarisitfromheret