Unit4SectionA(1a1d)课件人教版英语八年级上册-1

Unit4AmazingPlantsandAnimals?

SectionAWhatcanplantsandanimalsdo?(1a-1d)Inthisunit,theobjectives(目标）：1.talkaboutsomeamazingplantsandanimals.2.usesuperlativestocomparemorethantwothings.3.discusstheconnectionbetweenplants,animals,andourlives.4.explorewhyplantsandanimalsareimportanttous.

？BIGQuestionWhatmakesplantsandanimalsamazing?/kəˈnekʃn/n.联系/suːˈpɜːlətɪv/n.最高级Whatamazingplantsoranimalscanyousee?

bluewhale

/weɪl/蓝鲸

cheetah/ˈtʃiːtə/猎豹

redwoodtree

/ˈredwʊd/红杉树

moss

/mɒs/苔藓mossbluewhalecheetahredwoodtreebeautifulbigfastheavylargelongoldsmalltallshort

What’samazingabout

?Ithinkthe

is/can

?/ˈredwʊd//mɒs//ˈtʃiːtə//weɪl/1aLookattheplantsandanimals.Usethewordsintheboxtotalkaboutthem.aPre-listeningYamingWhatmighttheytalkabout?A.They’retalkingabook

B.They’retalkingagameC.They’retalkingatestWhatareEmmaandYamingdoing?EmmaListentotheconversationsanduse{1-4}tonumbertheplantsandanimalsintheorderyouhearthem.mossbluewhalecheetahredwoodtree1bThefirstquestionisaboutthe

.Thenextquestionisaboutthe

.Thethirdquestionisaboutthe

.Thelastquestionisaboutthe

.

Whatarethedifferencesbetweenthewordsin1aand1cheaviestlargest

mostbeautifuloldestfastesttallest1c

heavylargebeautifuloldfasttall

1a-iest-st-estmostsupertatives/suːˈpɜːlətɪvs/n.最高级Thetigerislarge.Thelionislargerthanthetiger.Theelephantisthelargestinthethree.Whatarethesuperlatives?Theyarelargeanimals.What'sthelargestanimalintheworld?Whichanimalisthelargestinthethree?Theyarefastanimals.Thehorseruns

fast.ThelionrunsfasterthanthehorseTheanteloperunsthefastest

inthethree.40-50km/h80-95km/h58-70km/hWhichanimalrunsthefastestinthe

world?Ais

old.Bistheolder.Cistheoldest.100millionyearsago345millionyearsagoTheyareold

plants.ABC400millionyearsagoWhat'stheoldest

plantintheworld?Ais

tall.Bisthetaller.Cisthetallest.20metre（米）50metreTheyaretall

trees.ABC60metreWhichkindoftreeisthetallestintheworld?What’sthelargestanimalintheworld?3While-listeningPart1.PredictionListenagain.Matchthewordswiththeplantsandanimalsin1a.Somehavetwoanswers.1c

The

isthe

animal/plantintheworld/onearth.moss

.bluewhale

.redwoodtree

.cheetah

.A.heaviestB.largestE.fastestC.mostbeautifulD.oldest F.tallestEmma:Hi,Yaming.Whatareyoudoing?Yaming:

Hi,Emma.I’mstartingatestonanimalsandplantsEmma:

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.Yaming:Nowlet’sanswerthequestionsaboutpalnts.

Whatistheoldestplantintheworld?Emma:

Hmm,I’mnotsure.Doyouhaveanyidea?Yaming:

Well,Ithinkmossistheoldestplants.Itappearedoneartharound470millionyearsago...Oh,lookhere.I’mcorrect!Emma:

Interesting!Let’sgoon!Yaming:

Whichkindoftreeisthetallestintheworld?Emma:

Theredwoodtree,right?Yaming:

Yes!IhopeIcanseesomesomeday.WhatareYamimg’squestions?Use“firstnext”...toleadintoquestionsUse“superletivestoaskfactsoropinions.RoleplayHummingbird蜂鸟Ostrich鸵鸟Venusflytrap捕蝇草Rafflesia大王花smallestbirdlagest/biggestbirdfastestplantheaviestflowerIt

isthesmallestbirdbecauseitisonlyabout5cmlongandlighterthanacoin!Itisthelargestbirdbecauseitcan’t

fly,butithasstronglegstorunfast.Itisoneofthefastestplantsbecauseitcancloseitsleavesinlessthanasecond.Itistheheaviestflowerintheworld.Itcanweighasmuchasabigdog!Findmoreamazinganimalsandplantsintheworld!Post-listeningWorkon1dAskandanswerquestionsabouttheplantsandanimalsin1a.What’samazingaboutthebluewhale?It’sthelargest/biggestanimalintheworld.heaviestlargest mostbeautifuloldestfastesttallest

Theamazingplantsandanimalsmaketheworldmorebeautiful.Welovethem.Wep