SectionA(3a-3c)Inthislesson,youwill:1.mastertheformatandusageofsuperlatives.2.talkaboutmoreplantsandanimalsusingsuperlatives.What’sthelargestandheaviestanimalintheworld?It’sthebluewhale.Whatanimalrunsthefastestontheland?It’sthecheetahWhat’sthebiggestanimalontheland?It’stheAfricanelephant.What’sthesmallestbirdintheworld?It’sthehummingbird(蜂鳥).Whatplantgrowsthefastest?It’sthebamboo.Whatplantcansurviveinthedriestdesert?It’sthecacti(仙人掌).Todaywe’lllearnhowtoexpresssuperlatives.3aReadthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?Thebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastest

amongalllandanimals.Ithinkthemostuseful

plantintheworldisbamboo.Itisperhapsthemostinteresting

plantintheworld.isrunsthe+最高級(adj./adv.+est)ObserveandanaylzeThebluewhaleisthelargestandheaviestanimalintheworld.isThecheetahrunsthefastestamongalllandanimals.runs主系表：be+adj.最高級主謂賓：v.+adv.最高級形容詞/副詞最高級構(gòu)成規(guī)則（一）——規(guī)則變化一般情況：fast→__________；tall→__________hard→__________；long→__________以“e”結(jié)尾：large→__________；nice→__________以“輔音字母+y”結(jié)尾（變y為i加est）：happy→__________；easy→__________重讀閉音節(jié)（輔+元+輔，雙寫尾字母）：big→__________；hot→__________；thin→__________01單音節(jié)詞/部分雙音節(jié)詞：詞尾加-estfastesttallesthardestlongestlargestnicesthappiesteasiestbiggesthottestthinnest形容詞/副詞最高級構(gòu)成規(guī)則（一）——規(guī)則變化useful→______________beautiful→______________colourful→______________popular→_____________interesting→______________important→______________02多音節(jié)詞/部分雙音節(jié)詞：詞前加mostmostusefulmostbeautifulmostcolourfulmostinterestingmostimportantmostpopular形容詞/副詞最高級構(gòu)成規(guī)則（二）——不規(guī)則變化原級比較級最高級例句goodbetter__________Bamboois__________materialforchairs.wellbetter__________Thepandaeats___________amongallanimals.badworse__________Thisis____________seasonforbamboogrowth.badlyworse__________Itrains____________inthedesert.manymore__________Pandaseat____________bambooinwinter.muchmore__________Bamboohas____________usesindailylife.littleless__________Thisareahas____________bamboo.farfarther/further____________________Bamboogrows________________inthesouth.bestbestworstworstmostmostleastfarthestfurthestthebestthebesttheworsttheworstthemostthemosttheleastthefurthest更近一步地；更深遠(yuǎn)地最高級核心結(jié)構(gòu)與句型句型1：主語+be+the+最高級+in(范圍)或of/among(對象)→Ginkgois___________treeinthepark.Thecheetahisthefastestanimal_____all.句型

2：主語+動詞+the+最高級+in(范圍)或of/among(對象)→

Thisbirdsings________________________intheforest.句型3：主語+be+oneofthe+最高級+可數(shù)名詞復(fù)數(shù)

+in(范圍)或of/among(對象)→

Bambooisoneof

_________________plantsinChina.theoldestthemostbeautifullythemostusefulof糾錯小偵探:找出并改正下列句子中的錯誤BambooismostusefulplantinAsia.BambooisthemostusefulplantinAsia.Thisisbadestweatherforpandas.Thisisthe

worstweatherforpandas.Shehasmanyestbooksaboutplants.Shehasthemostbooksaboutplants.Thetreeistallestthanthatone.Thetreeisthetallestamongall.Itisoneofthemostancienttreeintheworld.Itisoneofthemostancienttreesintheworld.缺少the不規(guī)則不規(guī)則級別錯用結(jié)構(gòu)錯用3bCompletethesentenceswiththesuperlativeformsofthewordsinbrackets.Amongallanimals,Ilovepandasthebest.Ithinktheyare__________(cute)animalsintheworld.Whichdoyouthinkis_________________(beautiful),therose,thepeony,orthelotusflower?Lookatthatbutterfly!Ithas__________________(colourful)wings.Whichanimaljumps___________(high),thelion,themonkey,orthetreefrog?Theelephantbirdswere__________(large)and____________(heavy)birdseveronearth.Somecouldstanduptothreemetrestallandweighupto860kg.thecutestthemostbeautifulthemostcolourfulthehighestthelargesttheheaviest3cCompletethepassagewiththesuperlativeformsofthewordsinthebox.Theginkgotreeisoneof___________________livingtreesonearth.Ginkgotreesfirstappearedover200millionyearsago,Chinesepeoplelovetheginkgo,asitisasymbolofhopeandlonglife,ManyChinesebelievethattheoldginkgotreeintheZhongnanMountainsinShaanxiProvinceis_________________.Thousandsoftouristscometoseeiteachyear,especiallyinmid-October,asitis_________timetoseeit,Theginkgotreeisoneof__________________treesinstreets,parks,andgardensacrossChina.Whenautumncomes,oneof___________________activitiesistotakeawalkunderginkgotrees,Peoplebelievethebrightyellowleavescanbringjoytotheirheart.themostancientancientbeautifulcommongoodpopularthemostfamousthebestthemostcommonthemostpopularAdjectivesSentencesbeautiful→mostbeautifulcolourful→mostcolourfulancient→mostancientcute→cutest；high→highest；large→largest；heavy→heaviest；fast→fastest；intheworldamongallanimalsacrossChinaamongplants①主語+be+the+最高級+范圍狀語②主語+動詞+the+最高級+范圍狀語③主語+be+oneofthe+最高級+名詞復(fù)數(shù)+范圍狀語Phrasespopular→mostpopularuseful→mostusefulBambooisawonderfulplantformanypeoplearoundtheworld.6____Peoplemaketables,clothes,medicine,andmusicalinstrumentswithit.Pandasmayeatbambooeveryday,butpeoplecanalsoeatit.7____Somebamboogrowssoquicklythatpeoplesaytheycanwatchitgrow.Thespeedofgrowthdependsonthetypeofbamboo,theearthandtheseason.Normalbamboogrows3—10cmaday.Itusuallygrowsintropical(熱帶的)areas.8____BambooplantsarefoundinAsia,Australia,partsofAfrica,andSouthAmerica.Oneoftheworld’soldestbuildingmaterialsisbamboo.Liketoday,peopleuseitbecauseit’sverystrong.Theyusedittobuildhouses,boats,andbridges.TheChinesemadeabamboobridgeovertheMinRiverinSichuan,Chinaalmost1000yearsago.9____Also,bambooisstillusedtomakehousestoday,especiallyinChinaandPhilippines.Asapartofhistory,bambooisveryimportant.ThegreatscientistThomasEdisondidnotinventthelightbulb(燈泡),buthemadeitperfect.Hewan