Unit 4 Amazing Plants and Animals 第1-3课时 Section A 课件 2025-2026学年人教版英语八年级上册

LeadinTheamazingplantsintheworld.Watchandanswer:Whatisthevideoabout?Unit4:

AmazingPlantsandAnimals第1-3课时:SectionAWhatcanplantsandanimalsdo?八上英语RJVocabularyWhatdoyouseeinthephoto?Whatdoyouthinkofwhenyouseethephoto?Flowersandbees.WhenIseethephoto,Ithinkofthebeautyofnatureandtheimportanceofbeesinpollination.LookandshareFreetalkWhat’syourfavoriteanimalorplant?Why?usefulcutehard-workingbeautifulPre-listening1aLookattheplantsandanimals.Usethewordsintheboxtotalkaboutthem.beautifulbigfastheavylargelongoldsmalltallshortmoss:_________bluewhale:_______smalllarge/mɒs/n.苔藓

redwoodtree:____

cheetah:_________tallfast/ˈredwʊd/n.红杉；红木/ˈtʃiːtə/n.猎豹While-listening1bListentotheconversationsandnumbertheplantsandanimalsin1aintheorderyouhearthem.moss:_______smallbluewhale:_______large/mɒs/n.苔藓

redwoodtree:____tall

cheetah:______fast/ˈredwʊd/n.红杉；红木/ˈtʃiːtə/n.猎豹1234While-listening1cListenagain.Matchthewordswiththeplantsandanimalsin1a.Somehavetwoanswers.A.heaviestB.largestC.mostbeautifulD.oldestE.fastestF.tallestmoss:_________smallbluewhale:_______large/mɒs/n.苔藓

redwoodtree:____tall

cheetah:_________fast/ˈredwʊd/n.红杉；红木/ˈtʃiːtə/n.猎豹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测试一起做同意某人彻底地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出现在地球上正确的将来有一日Post-listeningLookandsay最高级(superlatives)Mossisoneoftheoldestplantsonearth.Thebluewhaleisthelargestandheaviestanimalonearth.Theredwoodtreeisthetallesttreeintheworld.Thecheetahrunsthefastestandisthemostbeautifulanimalintheworld.Reviewlarge—largestfine—finest以字母e结尾的词，在词尾加-stheavy—heaviesteasy—easiestearly—earliest以“辅音字母+y”结尾的双音节词，先把y改为i,再加-estbig—biggestfat—fattestthin—thinnest重读闭音节词，词尾只有一个辅音字母时，先双写该辅音字母，再加-estold—oldestfast—fastesttall—tallest一般情况下，在词尾加-estbeautiful—mostbeautifulinteresting—mostinterestingdelicious—mostdelicious多音节词和部分双音节词在词前加most形容词/副词最高级变化规则Review原级最较级good/wellbestbad/badlyworstmany/muchmostlittleleastfarfarthestfurthest不规则变化：最高级用于______者或以上‌的人/物比较，表示“最……”的概念。结构公式：_______+形容词/副词最高级(+___________)Mossisoneoftheoldestplantsonearth.Theredwoodtreeisthetallesttreeintheworld.Thebluewhaleisthelargestandheaviestanimalonearth.Thecheetahrunsthefastestandisthemostbeautiful

animalintheworld.观察下列句子并试着归纳最高级的结构公式。三the比较范围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.

基础巩固I.根据括号内所给单词或短语提示,仿照示例写含有最高级的句子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.选择恰当的句子补全对话,其中有一项多余。A.Whydoyouthinktheygrowsotall?B.Whyaretheysoimportant?C.Doyouknowhowlongtheycanlive?D.Howtallcantheygrow?E.Wheredotheygrow?F.Howamazingarethey?DEACBExpansionCanyoufindmoreamazinganimalsorplants?Chameleon变色龙Octopus章鱼Hummingbird蜂鸟Electriceel电鳗changeitsbodycoloravoidpredatorsthesmallestbirdintheworldflapitswingsextremelyfastintelligencechangethetextureandcolorofitsskingenerateelectricshocksstunpreyanddefendagainstpredatorsVenusFlytrap捕蝇草Baobab猴面包树Bamboo竹子Corpseflower尸花/泰坦魔芋Whenaninsectlandsonitsleaf,theleafcansnapshutquicklytotrapanddigestit.growextremelyfastsometimesupto91cminasingledaystorealargeamountofwaterinitsthicktrunkhugetrunkthelargestunbranchedinflorescencegiveoffasmelllikerottingflesh1PronunciationListenandrepeat.Addonemorewordtoeachgroup./eɪ//aɪ//ɔɪ//bl//kl//gl//br//kr//gr/a,ai,ayi,y,ighoy,oiblclglbrcrgrwhalerainstay_____miceflyhigh_____toyjoinchoice_____blackblowblue_____cleanclimbclock_____gladglassglobe_____breadbringbrown_____crosscreamcry_____grassgreatgrow_____daygamewaitlikecrylightboynoiseblockbloodclearclassglovegluebrushbreakcrazycreategradegreen1Pronunciation发音发音方式常见字母（组合）例词/aɪ/发音时，由/ɑː/音滑向/ɪ/音，前重后轻，口形随之变化a,ai,aydanger危险afraid害怕的maybe也许/ɔɪ/发音时，由/ɔ/音滑向/ɪ/音，前重后轻，口形随之变化i,y,ighquite相当cry

哭high

高/eɪ/发音时，由/e/音滑向/ɪ/音，前重后轻，口形随之变化oy,oienjoy

喜欢joy

乐趣noise噪声1Pronunciation发音发音方式常见字母（组合）例词/bl/发音时，先发/b/的音，再快速滑到/l/的音，前重后轻，口形随之变化blblind瞎的blow吹black黑色（的）/gl/发音时，先发/g/的音，再快速滑到/l/的音，前重后轻，口形随之变化glglue胶水glove手套glasses眼镜/kl/发音时，先发/k/的音，再快速滑到/l/的音，前重后轻，口形随之变化clcloud云彩class班级clothes衣服1Pronunciation发音发音方式常见字母（组合）例词/br/发音时，先发/b/的音，再快速滑到/r/的音，前重后轻，口形随之变化brumbrella伞break间断breath一口气/kr/发音时，先发/k/的音，再快速滑到/r/的音，前重后轻，口形随之变化crcreate创造screen屏幕across横过/gr/发音时，先发/g/的音，再快速滑到/r/的音，前重后轻，口形随之变化gragree赞成group群；组grade年级2PronunciationListenandrepeat.Noticethedifferenceinstressandmeaningofthesamesentence.IvisitedtheredwoodforestsinCaliforniaseveraltimes.(nototherforests)IvisitedtheredwoodforestsinCaliforniaseveraltimes.(nototherplaces)IvisitedtheredwoodforestsinCaliforniaseveraltimes.(notonlyonce)Pronunciation在英语句子中，实词（如名词、动词、形容词、副词等）承载重要信息，一般需要重读；而充当语法功能的词（如冠词、连词、介词、助动词等）一般弱读。但这条读音规律并非一成不变，句子中的重音可以随着说话者要表达的意思的不同而变化。句子重音（Ⅰ）Ihaveanamazingfriend.（强调“我”有一个很棒的朋友，而不是其他人）Ihaveanamazingfriend.（强调我有“一个”很棒的朋友，而不是几个）Ihaveanamazingfriend.（强调我有一个“很棒的”朋友，而不是其他类型的朋友）一般情况下，I,an等功能词在句中弱读，但在上述情境中这两个词需要重读。Pre-listeningReadthepoemandanswer:咬定青山不放松，立根原在破岩中。千磨万击还坚劲，任尔东西南北风。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.折扇广受欢迎的；流行的美德的象征2aLanguagepoints生长最快的工具；手段实际上；居然幼苗；嫩芽;开(枪)；射击Languagepoints1.BambooisoneofthemostpopularsubjectsinChinesepaintings.

竹子是中国画中最受欢迎的题材之一。popular

adj.广受欢迎的；流行的【常用搭配】①bepopularwith/among受……欢迎②get/becomepopular受欢迎；流行【例句】Basketballisoneofthemostpopularsportsaroundtheworld.篮球是全世界最受欢迎的运动之一。Thissongisverypopularamongteenagers.

这首歌在青少年中很流行。比较级:morepopular最高级:mostpopular【词汇拓展】①

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

v.使普及；使流行；推广____________popularizeThepopularityofthisgamehasspreadallovertheworld.

这款游戏的流行已经遍布全球.Weshouldpopularizetheknowledgeofenvironmentalprotection.我们应该普及环保知识.【例句】Languagepoints2.It’sasymbolofgoodness

inChineseculture.在中华文化中它是美德的象征。symboln.①象征Thedoveisasymbolofpeace.鸽子是和平的象征。②符号Inmathematics,“+”isasymbolforaddition.在数学中，“+”是加法符号。3.Also,it’soneofthemostusefulplantsintheworld.

此外，它还是世界上最有用的植物之一。1)useful

adj.有用的；有益的；实用的【例句】ShebroughtmeausefulbookonhowtolearnEnglish.她给我带来了一本如何学习英语的书。【词汇拓展】①

n.&v.使用；利用_________use②

adj.无用的；无效的；无价值的__________uselessLanguagepoints2)主语+be+oneofthe+形容词最高级+可数名词复数+in/of短语.

……是……中最……的……之一。这是最高级的常用结构之一。高频BeijingisoneofthebiggestcitiesinChina.北京是中国最大的城市之一。【拓展】oneof...……之一Heisoneofmyfriends.他是我的一个朋友。OneoftheperformerscomesfromGuizhou.其中一个演员来自贵州。of后接名词或代词的复数形式。oneof...短语作主语时，谓语动词用单数。Languagepoints4.Pleasefeelfreetoaskmeanyquestionsyouhave.

你有任何问题，请随时问我。①

feelfree+todosth.可以随便做某事Feelfreetocontactmeifyouneedanyfurtherinformation.如果你需要任何进一步的信息，随时联系我。②

feelfree单独使用，表示“请随意；不要拘束”Wehavealotofbooksinthelibrary.Comeinandfeelfree.我们图书馆有很多书。进来吧，随意看!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”通常指的是一个被大量竹子覆盖的区域，就像一片竹子的海洋。在不同的语境中，它可能指的是具体的地点或泛指竹林景观。1.蜀南竹海位于中国四川省宜宾市长宁县境内。它是世界上集中面积最大的天然竹林景区，总面积达10.2平方千米，竹林覆盖率高达93%。这里以竹海、瀑布、湖泊、古庙等景观著称，不仅自然风光旖旎，还蕴含着深厚的文化底蕴，是竹文化的发源地之一。游客可以在这里了解竹子的历史、文化和用途。2.其他竹海除了蜀南竹海，中国还有其他一些被称为“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)可以随便做某事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

(营养)offreshvegetablesmakesthemhealthytoeat.5.Ithoughtitwouldraintoday,but

(实际上)thesunisshiningbrightly.基础巩固I.根据句意及首字母或汉语提示完成句子。ppearoolopulargoodnessactuallyExercisesModel:moss/oneof/old/plantMossisoneoftheoldestplantsintheworld.1.bamboo/oneof/popular/subject

2.bamboo/oneof/fast-growing/plant

3.bamboo/oneof/useful/plant

基础巩固II.模仿示例写句子。BambooisoneofthemostpopularsubjectsinChinesepaintings.Bambooisoneofthefastest-growingplantsintheworld/onearth.Bambooisoneofthemostusefulplantsintheworld/onearth.Exercises(A=atourguide B=aforeigntourist) A:WelcometotheBambooSea!I'myourguidetoday.I'dlovetosharesomeinterestingthingsaboutbamboowithyou.1.

B:BambooseemstobeaverypopularplantinChina.2.

A:3.

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

Thankyouforsharingsomuch!A:5.

Let'swalkdeeperintotheforest—you'llseebamboo'smagiceverywhere!技能提升Ⅲ.选择恰当的句子补全对话,其中有一项多余。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.单音节large最高级双音节heavy最高级单音节big最高级单音节fast最高级双音节useful的最高级三音节interesting的最高级Review构成方法原级最高级单音节词和部分双音节词一般情况下，在词尾加-esttall;shorttallest;shortest以字母e结尾的词，在词尾加-stlarge;latelargest;latest重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再在词尾加-estbig;fatbiggest;fattest以“辅音字母+y”结尾的双音节词，先把y改为i，再加-esteasy;heavyeasiest;heaviest多音节词和部分双音节词在词前加mostbeautiful;popularmostbeautiful；mostpopular形容词和副词的最高级的构成规则变化不规则变化Review形容词和副词的最高级的构成原级最高级例句good(形容词)well(副词)bestSheisthebest

studentintheclass.Heplaysthepianobestamongus.bad(形容词)badly(副词)worstThisistheworstmovieI’veeverseen.Sheperformedworst

inthecompetition.many(形容词)much(副词)mostThisisthemostinterestingbookI’veread.Sheworksmostefficiently(高效地)

intheteam.little形容词/副词leastHehastheleastexperienceinthisfield.ShespeaksEnglishtheleastfluently(流利地)amongus.far形容词/副词farthest具体距离的远近Hethrewtheballfarthest

inthecompetition.furthest抽象意义的深远ShehasthoughtfurthestaboutthefutureofAI.3aGrammarFocusThebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastest

amongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.in+范围among+同类群体Sheisthemosttalentedofallthestudents.Thisappleisthesweetestofthefive.of+具体成员/同类事物表示“在……范围内”，后接大范围（如地点、组织、时间阶段等）强调“在……群体中”，后接复数名词或代词，可与of互换，但among更侧重“在多者之间”的分布感表示“在……中”，后接具体的人或事物（复数名词/集合名词）强调从同类中选出“最……”的个体Thissongismyfavoriteoutofhisnewalbum.Shescoredthehighestmarksoutofallcandidates.表示“从……中”，后接明确的复数名词或代词，常用于强调“从某一特定范围中选出”outof+明确范围ExpansionExercises完成句子TheYangtzeRiveris_______________riverintheworld.(第三长河）Janealways______________________inourclass.(到校最早)LinSenis_______________________intheclassbecausehenevergetstoschoolontime.（最懒的学生之一）Edisonwas___________________________intheworld.(最伟大的发明家之一）oneofthelazieststudentsoneofthegreatestinventorsthethirdlongestarrivesatschoolearliestExpansionYouplaytheChineseflutebetterthananyoneelseinourmusicclub.你吹中国笛子比我们音乐俱乐部里的任何人都好。(你吹的最好)Iloveplayingsportsmorethananything.我最喜欢运动。Let’sreview!Doyourememberthesesentences?当句子中出现(more)than+比较范围（如anything,anyone,anyother...）时，常隐含最高级含义。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。这部电影比我看过的任何一部都感人→这是我看过的最感人的电影。比较级表示最高级的用法3bCompletethesentenceswiththesuperlativeformsofthewordsinbrackets.GrammarFocusAmongallanimals,Ilovepandasthebest.Ithinktheyare

(cute)animalsintheworld.Whichdoyouthinkis

(beautiful),therose(玫瑰；蔷薇),thepeony(牡丹；芍药),orthelotus(莲花)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；称重量)upto860kg.thecutestthemostbeautifulheaviestthemostcolourful(the)highestthelargestweightn.重量；分量常见搭配:weighabout+数词重约……;weighover+数词超过……重;weighupto+数词重达……固定词组:loseweight减重putonweight增加体重3cGrammarFocusCompletethepassagewiththesuperlativeformsofthewordsinthebox.ancientbeautifulcommongoodpopularTheginkgo(银杏)treeisoneof

livingtreesonearth.Ginkgotreesfirstappearedover200millionyearsago.Chinesepeoplelovetheginkgo,asitisasymbolofhopeandlonglife.ManyChinesebelieve(相信；认为有可能)thattheoldginkgotreeintheZhongnanMountainsinShaanxiProvince(省份)is

.Thousandsoftouri