LeadinTheamazingplantsintheworld.Watchandanswer:Whatisthevideoabout?Unit4:

AmazingPlantsandAnimals第1-3課時(shí):SectionAWhatcanplantsandanimalsdo?八上英語RJVocabularyWhatdoyouseeinthephoto?Whatdoyouthinkofwhenyouseethephoto?Flowersandbees.WhenIseethephoto,Ithinkofthebeautyofnatureandtheimportanceofbeesinpollination.LookandshareFreetalkWhat’syourfavoriteanimalorplant?Why?usefulcutehard-workingbeautifulPre-listening1aLookattheplantsandanimals.Usethewordsintheboxtotalkaboutthem.beautifulbigfastheavylargelongoldsmalltallshortmoss:_________bluewhale:_______smalllarge/m?s/n.苔蘚

redwoodtree:____

cheetah:_________tallfast/?redw?d/n.紅杉；紅木/?t?i?t?/n.獵豹While-listening1bListentotheconversationsandnumbertheplantsandanimalsin1aintheorderyouhearthem.moss:_______smallbluewhale:_______large/m?s/n.苔蘚

redwoodtree:____tall

cheetah:______fast/?redw?d/n.紅杉；紅木/?t?i?t?/n.獵豹1234While-listening1cListenagain.Matchthewordswiththeplantsandanimalsin1a.Somehavetwoanswers.A.heaviestB.largestC.mostbeautifulD.oldestE.fastestF.tallestmoss:_________smallbluewhale:_______large/m?s/n.苔蘚

redwoodtree:____tall

cheetah:_________fast/?redw?d/n.紅杉；紅木/?t?i?t?/n.獵豹A.heaviestB.largestE.fastestC.mostbeautifulD.oldestF.tallestListenandfillWhile-listeningEmma:Hi,Yaming.Whatareyoudoing?Yaming:

Hi,Emma.I’mstartingateston

.Emma:Soundsfun.Let’stakeittogether.Yaming:OK.Firstquestion.What’s

animalintheworld?Emma:It’sthe

,right?Yaming:Right.It’salso

animalonearth.Nextquestion.Whichanimalruns

?Emma:Ohwait!Ijustreadaboutit.The

runsthefastest.Yaming:Rightagain!AndIthinkit’s

animalintheworld.Emma:Icompletely

agreewithyou.Conversation1animalsandplantsthelargesttheheaviestthefastestthemostbeautifulbluewhalecheetah測試一起做同意某人徹底地ListenandfillWhile-listeningConversation2Yaming:Nowlet’sanswerthequestions

.Whatis

plantintheworld?Emma:Hmm,I’mnotsure.Doyouhaveanyidea?Yaming:Well,Ithinkmossis

plants.Itappeared

onearth

around

yearsago...Oh,lookhere.I’mcorrect!Emma:Interesting!Let’sgoon!Yaming:Whichkindoftreeis

intheworld?Emma:Theredwoodtree,right?Yaming:Yes!IhopeIcanseesomeoneday.aboutplantstheoldestoneoftheoldest470millionthetallest出現(xiàn)在地球上正確的將來有一日Post-listeningLookandsay最高級(superlatives)Mossisoneoftheoldestplantsonearth.Thebluewhaleisthelargestandheaviestanimalonearth.Theredwoodtreeisthetallesttreeintheworld.Thecheetahrunsthefastestandisthemostbeautifulanimalintheworld.Reviewlarge—largestfine—finest以字母e結(jié)尾的詞，在詞尾加-stheavy—heaviesteasy—easiestearly—earliest以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先把y改為i,再加-estbig—biggestfat—fattestthin—thinnest重讀閉音節(jié)詞，詞尾只有一個(gè)輔音字母時(shí)，先雙寫該輔音字母，再加-estold—oldestfast—fastesttall—tallest一般情況下，在詞尾加-estbeautiful—mostbeautifulinteresting—mostinterestingdelicious—mostdelicious多音節(jié)詞和部分雙音節(jié)詞在詞前加most形容詞/副詞最高級變化規(guī)則Review原級最較級good/wellbestbad/badlyworstmany/muchmostlittleleastfarfarthestfurthest不規(guī)則變化：最高級用于______者或以上?的人/物比較，表示“最……”的概念。結(jié)構(gòu)公式：_______+形容詞/副詞最高級(+___________)Mossisoneoftheoldestplantsonearth.Theredwoodtreeisthetallesttreeintheworld.Thebluewhaleisthelargestandheaviestanimalonearth.Thecheetahrunsthefastestandisthemostbeautiful

animalintheworld.觀察下列句子并試著歸納最高級的結(jié)構(gòu)公式。三the比較范圍ReviewPost-listening1dAskandanswerquestionsabouttheplantsandanimalsin1a.What’samazingaboutthebluewhale?It’sthelargest/biggestanimalintheworld.What’sthe…animal/plantintheworld?It’sthe...ExercisesModel:(moss,old)Mossisoneoftheoldestplantsintheworld.(redwoodtree,tall)1.

(bluewhale,large)2.

(bluewhale,heavy)3.

(cheetah,runfast)4.

(cheetah,beautiful)5.

基礎(chǔ)鞏固I.根據(jù)括號內(nèi)所給單詞或短語提示,仿照示例寫含有最高級的句子Theredwoodtreeisthetallest(tree)intheworld/onearth.Thebluewhaleisthelargestanimalintheworld/onearth.Thebluewhaleistheheaviestanimalintheworld/onearth.Thecheetahrunsfastestintheworld/onearth.Thecheetahisthemostbeautifulanimalintheworld/onearth.ExercisesA:Doyouknowaboutredwoodtrees?They'rethetallesttreesintheworld!B:Ihavenoidea.1.

A:Someareover100metrestall!B:2.

A:MostlyintheUS.3.

B:Maybebecauseofthecool,foggyweatherthere?A:Exactly!4.

B:I'mnotsure.Howlong?A:Somecanliveformorethan2,000years!Isn'tthatamazing?B:Yeah.5.

A:Becausetheyhelptheenvironmentbystoringcarbon(碳)andprovidinghomesformanyanimals.B:Wow!Weshouldprotecttheseamazingtrees!技能提升Ⅱ.選擇恰當(dāng)?shù)木渥友a(bǔ)全對話,其中有一項(xiàng)多余。A.Whydoyouthinktheygrowsotall?B.Whyaretheysoimportant?C.Doyouknowhowlongtheycanlive?D.Howtallcantheygrow?E.Wheredotheygrow?F.Howamazingarethey?DEACBExpansionCanyoufindmoreamazinganimalsorplants?Chameleon變色龍Octopus章魚Hummingbird蜂鳥Electriceel電鰻changeitsbodycoloravoidpredatorsthesmallestbirdintheworldflapitswingsextremelyfastintelligencechangethetextureandcolorofitsskingenerateelectricshocksstunpreyanddefendagainstpredatorsVenusFlytrap捕蠅草Baobab猴面包樹Bamboo竹子Corpseflower尸花/泰坦魔芋Whenaninsectlandsonitsleaf,theleafcansnapshutquicklytotrapanddigestit.growextremelyfastsometimesupto91cminasingledaystorealargeamountofwaterinitsthicktrunkhugetrunkthelargestunbranchedinflorescencegiveoffasmelllikerottingflesh1PronunciationListenandrepeat.Addonemorewordtoeachgroup./e?//a?//??//bl//kl//gl//br//kr//gr/a,ai,ayi,y,ighoy,oiblclglbrcrgrwhalerainstay_____miceflyhigh_____toyjoinchoice_____blackblowblue_____cleanclimbclock_____gladglassglobe_____breadbringbrown_____crosscreamcry_____grassgreatgrow_____daygamewaitlikecrylightboynoiseblockbloodclearclassglovegluebrushbreakcrazycreategradegreen1Pronunciation發(fā)音發(fā)音方式常見字母（組合）例詞/a?/發(fā)音時(shí)，由/ɑ?/音滑向/?/音，前重后輕，口形隨之變化a,ai,aydanger危險(xiǎn)afraid害怕的maybe也許/??/發(fā)音時(shí)，由/?/音滑向/?/音，前重后輕，口形隨之變化i,y,ighquite相當(dāng)cry

哭high

高/e?/發(fā)音時(shí)，由/e/音滑向/?/音，前重后輕，口形隨之變化oy,oienjoy

喜歡joy

樂趣noise噪聲1Pronunciation發(fā)音發(fā)音方式常見字母（組合）例詞/bl/發(fā)音時(shí)，先發(fā)/b/的音，再快速滑到/l/的音，前重后輕，口形隨之變化blblind瞎的blow吹black黑色（的）/gl/發(fā)音時(shí)，先發(fā)/g/的音，再快速滑到/l/的音，前重后輕，口形隨之變化glglue膠水glove手套glasses眼鏡/kl/發(fā)音時(shí)，先發(fā)/k/的音，再快速滑到/l/的音，前重后輕，口形隨之變化clcloud云彩class班級clothes衣服1Pronunciation發(fā)音發(fā)音方式常見字母（組合）例詞/br/發(fā)音時(shí)，先發(fā)/b/的音，再快速滑到/r/的音，前重后輕，口形隨之變化brumbrella傘break間斷breath一口氣/kr/發(fā)音時(shí)，先發(fā)/k/的音，再快速滑到/r/的音，前重后輕，口形隨之變化crcreate創(chuàng)造screen屏幕across橫過/gr/發(fā)音時(shí)，先發(fā)/g/的音，再快速滑到/r/的音，前重后輕，口形隨之變化gragree贊成group群；組grade年級2PronunciationListenandrepeat.Noticethedifferenceinstressandmeaningofthesamesentence.IvisitedtheredwoodforestsinCaliforniaseveraltimes.(nototherforests)IvisitedtheredwoodforestsinCaliforniaseveraltimes.(nototherplaces)IvisitedtheredwoodforestsinCaliforniaseveraltimes.(notonlyonce)Pronunciation在英語句子中，實(shí)詞（如名詞、動詞、形容詞、副詞等）承載重要信息，一般需要重讀；而充當(dāng)語法功能的詞（如冠詞、連詞、介詞、助動詞等）一般弱讀。但這條讀音規(guī)律并非一成不變，句子中的重音可以隨著說話者要表達(dá)的意思的不同而變化。句子重音（Ⅰ）Ihaveanamazingfriend.（強(qiáng)調(diào)“我”有一個(gè)很棒的朋友，而不是其他人）Ihaveanamazingfriend.（強(qiáng)調(diào)我有“一個(gè)”很棒的朋友，而不是幾個(gè)）Ihaveanamazingfriend.（強(qiáng)調(diào)我有一個(gè)“很棒的”朋友，而不是其他類型的朋友）一般情況下，I,an等功能詞在句中弱讀，但在上述情境中這兩個(gè)詞需要重讀。Pre-listeningReadthepoemandanswer:咬定青山不放松，立根原在破巖中。千磨萬擊還堅(jiān)勁，任爾東西南北風(fēng)。Whatkindofplantdoesittalkabout?bambooDoesbamboogrowfastorslowly?Whereisbamboomainlygrown?Whatthingsaremadeofbamboo?Dopeopleeatbamboobesidespandas?ThinkandsayLeadin2aWhile-listeningListentotheconversationandfillintheblanks.Ella:Oh,what’sthat,ChenJie?It’ssobeautiful!ChenJie:Thanks.It’safoldingfan.Iboughtitlastyear.Ella:Oh!Ithasapaintingofbambooonit.ChenJie:Yeah.BambooisoneofthemostpopularsubjectsinChinesepaintings.It’sa_________ofgoodnessinChineseculture.Ella:Ididn’tknowthatbefore.So,wheredidyougetthatfan?ChenJie:AttheBambooSeainSichuan,the_________and________bambooforestinChina.IlearntlotsofinterestingthingswhenIwasthere.Ella:Really?Likewhat?ChenJie:Well,bambooisoneofthefastest-growingplants.Somebamboocangrowalmostonemetreinoneday.Also,it’soneofthe____________plantsintheworld.Peoplecanuseittobuildhousesandmaketoolsandinstruments.Ella:Oh,that’sinteresting.Irememberpandaslovetoeatbambootoo,right?ChenJie:Exactly!Actuallyweeatbambooshootstoo.They’rereallydelicious.symbollargestoldestmostusefulElla:Oh,what’sthat,ChenJie?It’ssobeautiful!ChenJie:Thanks.It’safoldingfan.Iboughtitlastyear.Ella:Oh!Ithasapaintingofbambooonit.ChenJie:Yeah.BambooisoneofthemostpopularsubjectsinChinesepaintings.It’sasymbol

ofgoodnessinChineseculture.Ella:Ididn’tknowthatbefore.So,wheredidyougetthatfan?ChenJie:AttheBambooSeainSichuan,thelargestandoldestbambooforestinChina.IlearntlotsofinterestingthingswhenIwasthere.Ella:Really?Likewhat?ChenJie:Well,bambooisoneofthefastest-growingplants.Somebamboocangrowalmostonemetreinoneday.Also,it’soneofthemostusefulplantsintheworld.Peoplecanuseittobuildhousesandmaketoolsandinstruments.Ella:Oh,that’sinteresting.Irememberpandaslovetoeatbambootoo,right?ChenJie:Exactly!Actuallyweeatbambooshootstoo.They’rereallydelicious.折扇廣受歡迎的；流行的美德的象征2aLanguagepoints生長最快的工具；手段實(shí)際上；居然幼苗；嫩芽;開(槍)；射擊Languagepoints1.BambooisoneofthemostpopularsubjectsinChinesepaintings.

竹子是中國畫中最受歡迎的題材之一。popular

adj.廣受歡迎的；流行的【常用搭配】①bepopularwith/among受……歡迎②get/becomepopular受歡迎；流行【例句】Basketballisoneofthemostpopularsportsaroundtheworld.籃球是全世界最受歡迎的運(yùn)動之一。Thissongisverypopularamongteenagers.

這首歌在青少年中很流行。比較級:morepopular最高級:mostpopular【詞匯拓展】①

n.流行；普及___________……的知名度________________popularitythepopularityof②

v.使普及；使流行；推廣____________popularizeThepopularityofthisgamehasspreadallovertheworld.

這款游戲的流行已經(jīng)遍布全球.Weshouldpopularizetheknowledgeofenvironmentalprotection.我們應(yīng)該普及環(huán)保知識.【例句】Languagepoints2.It’sasymbolofgoodness

inChineseculture.在中華文化中它是美德的象征。symboln.①象征Thedoveisasymbolofpeace.鴿子是和平的象征。②符號Inmathematics,“+”isasymbolforaddition.在數(shù)學(xué)中，“+”是加法符號。3.Also,it’soneofthemostusefulplantsintheworld.

此外，它還是世界上最有用的植物之一。1)useful

adj.有用的；有益的；實(shí)用的【例句】ShebroughtmeausefulbookonhowtolearnEnglish.她給我?guī)砹艘槐救绾螌W(xué)習(xí)英語的書?！驹~匯拓展】①

n.&v.使用；利用_________use②

adj.無用的；無效的；無價(jià)值的__________uselessLanguagepoints2)主語+be+oneofthe+形容詞最高級+可數(shù)名詞復(fù)數(shù)+in/of短語.

……是……中最……的……之一。這是最高級的常用結(jié)構(gòu)之一。高頻BeijingisoneofthebiggestcitiesinChina.北京是中國最大的城市之一。【拓展】oneof...……之一Heisoneofmyfriends.他是我的一個(gè)朋友。OneoftheperformerscomesfromGuizhou.其中一個(gè)演員來自貴州。of后接名詞或代詞的復(fù)數(shù)形式。oneof...短語作主語時(shí)，謂語動詞用單數(shù)。Languagepoints4.Pleasefeelfreetoaskmeanyquestionsyouhave.

你有任何問題，請隨時(shí)問我。①

feelfree+todosth.可以隨便做某事Feelfreetocontactmeifyouneedanyfurtherinformation.如果你需要任何進(jìn)一步的信息，隨時(shí)聯(lián)系我。②

feelfree單獨(dú)使用，表示“請隨意；不要拘束”Wehavealotofbooksinthelibrary.Comeinandfeelfree.我們圖書館有很多書。進(jìn)來吧，隨意看!2bReadtheconversationandanswerthequestions.Post-listeningElla:Oh,what’sthat,ChenJie?It’ssobeautiful!ChenJie:Thanks.It’safoldingfan.Iboughtitlastyear.Ella:Oh!Ithasapaintingofbambooonit.ChenJie:Yeah.BambooisoneofthemostpopularsubjectsinChinesepaintings.It’sasymbolofgoodnessinChineseculture.Ella:Ididn’tknowthatbefore.So,wheredidyougetthatfan?ChenJie:AttheBambooSeainSichuan,thelargestandoldestbambooforestinChina.IlearntlotsofinterestingthingswhenIwasthere.WhatdoesEllaseeonthefoldingfan?WhydoesbamboooftenappearinChinesepaintings?3.WhereistheBambooSea?Apaintingofbamboo.BecauseitisoneofthemostpopularsubjectsinChinesepaintingsanditisasymbolofgoodnessinChineseculture.InSichuan,China.Goodtoknow“BambooSea”通常指的是一個(gè)被大量竹子覆蓋的區(qū)域，就像一片竹子的海洋。在不同的語境中，它可能指的是具體的地點(diǎn)或泛指竹林景觀。1.蜀南竹海位于中國四川省宜賓市長寧縣境內(nèi)。它是世界上集中面積最大的天然竹林景區(qū)，總面積達(dá)10.2平方千米，竹林覆蓋率高達(dá)93%。這里以竹海、瀑布、湖泊、古廟等景觀著稱，不僅自然風(fēng)光旖旎，還蘊(yùn)含著深厚的文化底蘊(yùn)，是竹文化的發(fā)源地之一。游客可以在這里了解竹子的歷史、文化和用途。2.其他竹海除了蜀南竹海，中國還有其他一些被稱為“竹海”的地方，如赤水竹海、沐川竹海等。2bReadtheconversationandanswerthequestions.Post-listeningElla:Really?Likewhat?ChenJie:Well,bambooisoneofthefastest-growingplants.Somebamboocangrowalmostonemetreinoneday.Also,it’soneofthemostusefulplantsintheworld.Peoplecanuseittobuildhousesandmaketoolsandinstruments.Ella:Oh,that’sinteresting.Irememberpandaslovetoeatbambootoo,right?ChenJie:Exactly!Actuallyweeatbambooshootstoo.They’rereallydelicious.4.Whatdopeopleusebamboofor?5.IsEllainterestedinbamboo?Howdoyouknow?Peoplecanuseittobuildhousesandmaketoolsandinstruments.Yes,sheis.Thinkandsay:WhyisbambooapopularsubjectinChinesepaintings?Expansion2cPost-listeningCompletethemindmapwiththeinformationfrom2a.oneofthefastest-growingplantsoneofthemostusefulplantsintheworldBamboogotat______________________the________and_______bambooforestinChinagrow

inonedayonChenJie’sfoldingfan●build__________●make__________

and__________●foodfor_______and_______asymbolof__________theBambooSeainSichuanlargestoldestalmostonemetregoodnesshousestoolsinstrumentspandaspeopleapopularsubjectinChinesepaintings2dPost-listeningListentotheconversationagain.Thenrole-playit.Oh,what’sthat,ChenJie?It’ssobeautiful!Oh!Ithasapaintingofbambooonit.Thanks.It’safoldingfan.Iboughtitlastyear.Yeah.BambooisoneofthemostpopularsubjectsinChinesepaintings.It’sasymbolofgoodnessinChineseculture.2ePost-listeningImagineyouareatourguideattheBambooSeaandyourpartnerisaforeigntourist.Makeupaconversationaboutbambooanditsimportance.A:WelcometotheBambooSea!I’myourtourguidetoday.I’dlovetosharealltheinterestingthingsaboutbamboowithyou.Pleasefeelfreetoaskmeanyquestionsyouhave.B:BambooseemstobeaverypopularplantinChina.CanyoutellmewhytheChinesepeoplelikebamboosomuch?A:Well,…feelfree(todosth)可以隨便做某事A:Well,bamboohasdeep-rootedculturalsignificanceinChina.InChineseculture,it’sseenasasymbolofqualitieslikeintegrity,resilience,andmodesty.Also,it’sextremelyuseful.Peoplehavebeenusingittobuildhousesforalongtimebecauseit’sstronganddurable.Youcanseesomeofthesebamboo-builthousesaroundhere.B:That’samazing!Ididn’tknowitcouldbeusedforbuilding.Arethereanyotherpracticaluses?ForexampleA:Sure.Wecanmakeallkindsofdailyuseitemsfromit,suchasbasketsandchopsticks.Andbambooshootsareadeliciouspartofourdishes.They’renotonlytastybutalsorichinnutrients.B:Soundsgreat.I’mreallyinterestedintryingbamboo-shootdishesnow.A:I’mgladtohearthat.Therearesomelocalrestaurantsnearbythatservewonderfulbamboo-shootdishes.Afterourtour,youcanhaveatry.B:Thankyousomuchforsharingallthisinterestinginformation.A:You’rewelcome.Ihopeyou’llhaveagreattimeexploringtheBambooSea.ForexampleExercises1.Darkcloudsa

intheskybeforeastorm.2.Thisappisagreatt

forpractisingEnglishpronunciation.3.Redisap

colourforChineseNewYeardecorations.4.The

(營養(yǎng))offreshvegetablesmakesthemhealthytoeat.5.Ithoughtitwouldraintoday,but

(實(shí)際上)thesunisshiningbrightly.基礎(chǔ)鞏固I.根據(jù)句意及首字母或漢語提示完成句子。ppearoolopulargoodnessactuallyExercisesModel:moss/oneof/old/plantMossisoneoftheoldestplantsintheworld.1.bamboo/oneof/popular/subject

2.bamboo/oneof/fast-growing/plant

3.bamboo/oneof/useful/plant

基礎(chǔ)鞏固II.模仿示例寫句子。BambooisoneofthemostpopularsubjectsinChinesepaintings.Bambooisoneofthefastest-growingplantsintheworld/onearth.Bambooisoneofthemostusefulplantsintheworld/onearth.Exercises(A=atourguide B=aforeigntourist) A:WelcometotheBambooSea!I'myourguidetoday.I'dlovetosharesomeinterestingthingsaboutbamboowithyou.1.

B:BambooseemstobeaverypopularplantinChina.2.

A:3.

AncientChinesepaintersoftenhadbamboointheirworkstorepresentperseverance(不屈不撓的精神).Peopleuseittomakehouses,furniture,tools,andevenmusicalinstrumentslikeflutes.B:Amazing!It'slikeasuperheroplant!A:You'reright!Wanttotouchthisbamboo?Feelhowstrongyetlightitis.Later,we'llmakeminibamboocrafts—afunsouvenir(紀(jì)念品)!B:4.

Thankyouforsharingsomuch!A:5.

Let'swalkdeeperintotheforest—you'llseebamboo'smagiceverywhere!技能提升Ⅲ.選擇恰當(dāng)?shù)木渥友a(bǔ)全對話,其中有一項(xiàng)多余。DFEABA.Ican'twait!B.Mypleasure!C.I'mallright!D.Pleasefeelfreetoaskmeanyquestionsyouhave.E.Well,bambooisasymbolofgoodnessinChineseculture.F.CanyoutellmewhytheChinesepeoplelikebamboosomuch?LeadinWarmingupWhatdoesthisvideotalkabout?World’sRecordsWarmingupMountEverestisthehighestmountainintheworld.TheNileRiveristhelongestriverintheworld.TheSaharaDesertisthelargesthotdesertintheworld.ThinkandsayCanyouexpresstheseworld’srecordsinonesentence?WarmingupThinkandsayCanyouexpresstheseworld’srecordsinonesentence?Thebluewhaleisthelargestanimalintheworld.TheMarianaTrenchisthedeepestplaceintheworld’soceans.TheGreatWallisthelongestman-madestructureintheworld.3aReadthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?GrammarFocusThebluewhaleisthelargestandheaviestanimalintheworld.Thebiggest

landanimalintheworldistheAfricanelephant.Thecheetahrunsthefastestamongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.單音節(jié)large最高級雙音節(jié)heavy最高級單音節(jié)big最高級單音節(jié)fast最高級雙音節(jié)useful的最高級三音節(jié)interesting的最高級Review構(gòu)成方法原級最高級單音節(jié)詞和部分雙音節(jié)詞一般情況下，在詞尾加-esttall;shorttallest;shortest以字母e結(jié)尾的詞，在詞尾加-stlarge;latelargest;latest重讀閉音節(jié)詞尾只有一個(gè)輔音字母時(shí)，先雙寫該輔音字母，再在詞尾加-estbig;fatbiggest;fattest以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先把y改為i，再加-esteasy;heavyeasiest;heaviest多音節(jié)詞和部分雙音節(jié)詞在詞前加mostbeautiful;popularmostbeautiful；mostpopular形容詞和副詞的最高級的構(gòu)成規(guī)則變化不規(guī)則變化Review形容詞和副詞的最高級的構(gòu)成原級最高級例句good(形容詞)well(副詞)bestSheisthebest

studentintheclass.Heplaysthepianobestamongus.bad(形容詞)badly(副詞)worstThisistheworstmovieI’veeverseen.Sheperformedworst

inthecompetition.many(形容詞)much(副詞)mostThisisthemostinterestingbookI’veread.Sheworksmostefficiently(高效地)

intheteam.little形容詞/副詞leastHehastheleastexperienceinthisfield.ShespeaksEnglishtheleastfluently(流利地)amongus.far形容詞/副詞farthest具體距離的遠(yuǎn)近Hethrewtheballfarthest

inthecompetition.furthest抽象意義的深遠(yuǎn)ShehasthoughtfurthestaboutthefutureofAI.3aGrammarFocusThebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastest

amongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.in+范圍among+同類群體Sheisthemosttalentedofallthestudents.Thisappleisthesweetestofthefive.of+具體成員/同類事物表示“在……范圍內(nèi)”，后接大范圍（如地點(diǎn)、組織、時(shí)間階段等）強(qiáng)調(diào)“在……群體中”，后接復(fù)數(shù)名詞或代詞，可與of互換，但among更側(cè)重“在多者之間”的分布感表示“在……中”，后接具體的人或事物（復(fù)數(shù)名詞/集合名詞）強(qiáng)調(diào)從同類中選出“最……”的個(gè)體Thissongismyfavoriteoutofhisnewalbum.Shescoredthehighestmarksoutofallcandidates.表示“從……中”，后接明確的復(fù)數(shù)名詞或代詞，常用于強(qiáng)調(diào)“從某一特定范圍中選出”outof+明確范圍ExpansionExercises完成句子TheYangtzeRiveris_______________riverintheworld.(第三長河）Janealways______________________inourclass.(到校最早)LinSenis_______________________intheclassbecausehenevergetstoschoolontime.（最懶的學(xué)生之一）Edisonwas___________________________intheworld.(最偉大的發(fā)明家之一）oneofthelazieststudentsoneofthegreatestinventorsthethirdlongestarrivesatschoolearliestExpansionYouplaytheChineseflutebetterthananyoneelseinourmusicclub.你吹中國笛子比我們音樂俱樂部里的任何人都好。(你吹的最好)Iloveplayingsportsmorethananything.我最喜歡運(yùn)動。Let’sreview!Doyourememberthesesentences?當(dāng)句子中出現(xiàn)(more)than+比較范圍（如anything,anyone,anyother...）時(shí)，常隱含最高級含義。例如：Herunsfasterthananyoneinhisclass.ThismovieismoremovingthananyotherI’veseen.他比班上任何人都跑得快→他是班上跑得最快的。這部電影比我看過的任何一部都感人→這是我看過的最感人的電影。比較級表示最高級的用法3bCompletethesentenceswiththesuperlativeformsofthewordsinbrackets.GrammarFocusAmongallanimals,Ilovepandasthebest.Ithinktheyare

(cute)animalsintheworld.Whichdoyouthinkis

(beautiful),therose(玫瑰；薔薇),thepeony(牡丹；芍藥),orthelotus(蓮花)flower?Lookatthatbutterfly(蝴蝶)!Ithas

(colourful)wings(翅膀；翼).Whichanimaljumps

(high),thelion,themonkey,orthetreefrog(蛙；青蛙)?Theelephantbirdswere

(large)and

(heavy)birdseveronearth.Somecouldstandupto(接近；直到)threemetrestallandweigh(有……重；稱重量)upto860kg.thecutestthemostbeautifulheaviestthemostcolourful(the)highestthelargestweightn.重量；分量常見搭配:weighabout+數(shù)詞重約……;weighover+數(shù)詞超過……重;weighupto+數(shù)詞重達(dá)……固定詞組:loseweight減重putonweight增加體重3cGrammarFocusCompletethepassagewiththesuperlativeformsofthewordsinthebox.ancientbeautifulcommongoodpopularTheginkgo(銀杏)treeisoneof

livingtreesonearth.Ginkgotreesfirstappearedover200millionyearsago.Chinesepeoplelovetheginkgo,asitisasymbolofhopeandlonglife.ManyChinesebelieve(相信；認(rèn)為有可能)thattheoldginkgotreeintheZhongnanMountainsinShaanxiProvince(省份)is

.Thousandsoftouri