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HomeSweetHomeAmazingPlantsandAnimalsUnit4SectionA1a-1dlnthisunit,youwilltalkaboutsomeamazingplantsandanimals.usesuperlativestocomparemorethantwothings.discusstheconnectionbetweenplants,animals,andourlives.explorewhyplantsandanimalsareimportanttous.Whatmakesplantsandanimalsamazing?BIGQuestionLearningObjectives最高級v.比較n.聯(lián)系LookandshareWhatdoyouseeinthephoto?Whatdoyouthinkofwhenyouseethephoto?Flowersandbees.WhenIseethephoto,Ithinkofthebeautyofnatureandtheimportanceofbeesinpollination.What’sthisinthepicture?moss[m?s]苔蘚;地衣Whatcanmossdoforus?Itcanprotectthesoilandkeepwater.Whatdoesmossmakeyoufeel?wet,smallanddarkgreen.What’sthisinthepicture?redwoodtree紅木樹最具標(biāo)志性的高大樹種之一,以其驚人的體型、悠久的壽命和獨特的生態(tài)價值聞名Whatcanredwoodtreedoforus?tall,andoldWhatdoesmossmakeyoufeel?Itgivesusoxygen(氧氣)andprovideswood.What’sthisinthepicture?bluewhale藍(lán)鯨huge,heavyWhatcanbluewhaledoforus?Whatdoesbluewhalemakeyoufeel?keeptheoceanlifebalancedWhat’sthisinthepicture?cheetah[?t?it?]獵豹Whatdoescheetahmakeyoufeel?fast,strongandscaryWhatcancheetahdoforus?keepthenaturalenvironmentbalancedDoyourememberhowtonametheanimalsorplantsinthepicturesbelow?cheetahbluewhaleredwoodtreemossbeautifulbigfastheavylargelongoldsmalltallshort1aLookattheplantsandanimals.Usethewordsintheboxtotalkaboutthem1,藍(lán)鯨是世界上最大的動物————————————2,紅松是世界上最強(qiáng)壯的植物——————————————3,……….1bListentotheconversationsandnumbertheplantsandanimalsin1ainorderyouhearthem12341bListentotheconversationsandnumbertheplantsandanimalsin1ainorderyouhearthem1234聽力材料Ella:

Oh,what'sthat,ChenJie?It'ssobeautiful!ChenJie:Thanks.It’safoldingfan.Iboughtitlastyear.Ella:

Oh!Ithasapaintingofbambooonit.ChenJie:Yeah.Bambooisoneofthemostpopularsubjects

inChinesepaintings.It’sasymbolof

goodnessinChineseculture.Ella:

Ididn’tknowthatbefore.So,wheredidyougetthatfan?ChenJie:

AttheBambooSeainSichuan,thelargestandoldestbambooforestinChina.IlearntlotsofinterestingthingswhenIwasthere.Ella:

Really?Likewhat?ChenJie:

Well,bambooisoneofthefastest-growingplants

.Somebamboocangrowalmost

onemetreinoneday.Also,it’soneofthemostuseful

plants

intheworld.Peoplecanuseittobuildhousesandmaketools

andinstruments

.Ella:Oh,that'sinteresting.Irememberpandaslovetoeatbambootoo,right?ChenJie:

Exactly

!Actually

we

eatbambooshoots

too.They'rereallydelicious.

折扇Oneof…之一(后面跟形容詞最高級+名詞復(fù)數(shù))…的象征,制造工具Conversation1Emma:Hi,Yaming.Whatareyoudoing?Yaming:Hi,Emma.I’mstartingatestonanimalsandplants.Emma:Soundsfun.Let’stakeittogether.Yaming:OK.Firstquestion.What’sthelargestanimalintheworld?Emma:It’sthebluewhale,right?Yaming:Right.It’salsotheheaviestanimalonearth.Nextquestion.Whichanimalrunsthefastest?Emma:Ohwait!Ijustreadaboutit.Thecheetahrunsthefastest.Yaming:Rightagain!AndIthinkit’sthemostbeautifulanimalintheworld.Emma:Icompletelyagreewithyou.Conversation2Yaming:Nowlet’sanswerthequestionsaboutplants.Whatistheoldestplantintheworld?Emma:Hmm,I’mnotsure.Doyouhaveanyidea?Yaming:Well,Ithinkmossisoneoftheoldestplants.Itappearedoneartharound470millionyearsago...Oh,lookhere.I’mcorrect!Emma:Interesting!Let’sgoon!Yaming:Whichkindoftreeisthetallestintheworld?Emma:Theredwoodtree,right?Yaming:Yes!IhopeIcanseesomeoneday.Listenagain.Matchthewordswiththeplantsandanimalsin1a.Somehavetwoanswers.moss:bluewhale:redwoodtree:cheetah:DABFCE1cAskandanswerquestionsabouttheplantsandanimalsin1a.What’samazingaboutthebluewhale?It’sthelargest/biggestanimalintheworld.1dGroupworkEachgroupchoosesoneplantoranimal,andthendiscussesmoreamazingthingsaboutitandsharetheirfindingswiththewholeclass.Trytousesuperlatives!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old—oldestfast—fastesttall—tallest一般情況下,在詞尾加-estlarge—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-est形容詞/副詞最高級變化規(guī)則big—biggestfat—fattestthin—thinnest重讀閉音節(jié)詞,詞尾只有一個輔音字母時,先雙寫該輔音字母,再加-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)則形容詞與副詞比較級和最高級構(gòu)詞法:

直接在形容詞或副詞后加

er

est

如:

fast-fast

er

-fast

est

2.以

e

結(jié)尾的單詞

,

只用在詞后加

r

st

如:

fine-finer–finest

3.重讀閉音節(jié)

,

輔元輔結(jié)構(gòu)的單詞

,

雙寫最后一個字母再加

er

est

:thin-thin

ner

-thin

nest

4.以

輔音字母加

y

結(jié)尾的詞,變

y

i

再加

er

est如:

happy-happ

ier

-happ

iest

5.多音節(jié)詞或部分雙音節(jié)詞,在詞前加

more或

most6.特殊情況一、根據(jù)句意及漢語提示填寫單詞1.Thecheetahisthe_______(最快的)

animalonland.2.Thesetreesarethe_______(最高的)

treesintheworld.3.Mossisoneofthe_______(最古老的)

plantsonEarth.4.Thebluewhaleisthe__________(最重的)

animalintheocean.5.The__________(紅杉)

forestsarehometosomeanimals.fastesttallestoldestheaviestredwoodPractice二、翻譯句子1.這座山是我們國家里最高的山。Thismountainisthehighestmountaininourcountry.2.藍(lán)鯨是世界上最大的動物。Thebluewhaleisthelargestanimalintheworld.3.蜂鳥是世界上最小的鳥類。(hummingbird)Thehummingbirdisthesma

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