Unit5DevelopingideasReading課件外研版高中英語選擇性

新外研社高中英語選擇性必修一Unit5RevealingNature

DevelopingIdeasReadingattackbreatheeatsleepmovespeakstealthink√√√√√Whatdoyouthinkplantscando?Ticktheboxes.Howmuchisitrealisticthattreescancommunicatewithpeople?Canplantsliketreesevenbehaveinmanyotherwayslikehumansdo?Readthepassage(P56-57)toexplore!Readthepassagetosortoutthetypeofwriting.Anexpositoryessay(說明文)Introductionwithatopictocatchreaders’attention,andathesisstatementtopresentthemainconceptofyouressay.Body:thefirst,second,third…point/argumentwithsupportingevidenceConclusionwithaconcisesummary

ofyourkeypoints/athesisstatement.ExpositoryessaystructurePart1IntroductionandthesisstatementPart2

BodyPart3ConclusionManycultureshavestoriesoftalkingtrees.Para.1Para.2Para.3Para.4Scientistsarelearningmoreaboutthesecretwaysinwhichplantstalktoeachother.Para.5Para.6ReadforthemainideaofeachparagraphandthepassagestructureScientistsarelearningmoreaboutplants’languagePart1IntroductionandthesisstatementPart2BodyPart3ConclusionPara.1—athingofmythsandlegendsTalkingtreesgive_____________________topeople,eg.,AlexandertheGreatandMarcoPoloweresaidtohavevisitedsuchatreeinIndia.Talkingplants——————EvidencefromstoriesofmanyculturesEvidencefrom_________________somemodernstoriesTreesinthefilmAvatarcancommunicatewith___________________.animalsandpeopleadviceandwarningsReadforparagraphorganisation:Para.2Readtoanswerthequestions:1.Whatrelationisimplied(暗含)betweenthispartandtherestofPara.2?2.What’stheroleofPara.2indevelopingthewholepassage?Para2isusedtoclearlyillustratethethesisstatement.It’salsoatransitionalparagraph.Para.3beanplantA________

releases______________________asawarningorcallforhelp:“I’mbeingattacked!”tinyamountsofchemicalsbeanplantBdetectsthechemicals

releasesitsown,______________differentchemicalssomeofthesechemicals__________________driveinsectsawayothersattract__________thewaspsReadtoworkoutthegraph:attackkillInspirationforscientificresearchScientistshopetolearnmoreaboutthis___________________,sothatwecanuseittogrowcropswithout_________.plantwarningsystempesticidesPara.4Readtoworkoutthetable:PlantsHowtheycommunicateusingsoundExamplecornandchilliplants

____________withtheirrootslistentothenoisesfrom___________sometreesmakenoisesotherplantsmakeclickingnoiseswhenthereisnot___________,indicatingdroughtisarriving.enoughwaterAchilliplantcantellifa_____________________ishelpful,orunfriendly.neighbouringplantrootsofdifferentplantsarelinkedtoeachotherundergroundby_____

enablesplantstoperhapsonedayitwillbecreatedtohelppreventattackswithinwoodwidewebshareinformationandevenfoodwitheachotherPara.5Readtofilloutthetableabout:plantsstealfoodfromeachotherplantsspreadpoisonstoattackotherplantsfungifirewallwoodwidewebcybercrimehowitislinked______Para.5Readtoanswerthequestions:1.Whatisthefunctionof“Mostsurprisinglyofall”?It’samark:thefollowingsentencewillexplorethesametopicaswhathasbeenmentioned,yetdevelopingthetopictoadeeper,furtherdegreethanallthathasbeenwrittenbefore.2.How’swoodwidewebsimilartoInternet?Para.6WhatisthefunctionofPara.6?Readtoanswerthequestion:Modernresearchisshowingthatplantscan1_________________________.UsingchemicalsTheplantreleaseschemicals2_____________thatarebeingeaten.Whenanotherplantdetectsthechemicals,itstartsto3______________________________.

fromtheleavesreleaseitsown,

different

chemicalsChecktheanswersUsingsoundSomeplantsmakenoises4______________.Achilliplantcan5____________________________________________.Sometreesmake6_________________________________________________________________.

withtheirroots

tellifaneighbouring

plantis

helpful,or

unfriendly

clickingnoiseswhenthereisnot

enoughwater,

indicatingdroughtisarrivingChecktheanswersUsingthe“woodwideweb”Thisfungalnetworklinks7____________________________________.Plantscan8_____________________________witheachother.Plantscan9________________________________________toattackotherplants.

therootsofdifferentplantstoeachother

shareinformationandevenfood

stealfoodfromeachother,orspreadpoisonsMaybeonedaywewillbeableto“talk”withplants.Checktheanswers

1.

Whatfigureofspeechisbeingusedwhentheplantsaredescribedas

callingforhelp?Whatisitsfunction?2.Whatdoes“woodwideweb”mean?Shareyourthinking

onthefollowingquestionsPersonification.

Itcanmakedescriptionsmorevivid.

Learning

to

learnPersonificationmeansgivinghumancharacteristicstosomethingthatisnothuman.Byusinghumancharacteristicstodescribeanobject,animalorevenaplace,personificationcanmakedescriptionsmorevivid.Surprisingly

indicating

amazing

which

with

attackedarebeingeatenaitsCompletethesummarybyfillingcorrectwordsorcorrectformsofthegivenwords.ThinkShareItwillhelpusknowmoreabouttheworldofplantsandthengetabetterunderstandingofthesecretofnatureandencourageustoexploremoreaboutthemysteriousnature.What’smore,itwillteachusanimportantlesson,thatis,humanshouldliveinharmonywithmothernature.Anditisourresponsibilitytofulfillthemission.ThinkSharePassage1reveals

thediscoveryofevolution.Theyallreflect

thattherearenumeroussecretsinnaturethat

remaintobeexplored.GroupWork

3.Organiseyourideasfollowingthestepsbelow.WritingWritingWritinganobservationaljournal

Readtheobservationaljournalandanswerthequestions.1.Howwerethedaffodilbulbsplanted?2.Inwhatenvironmentdidtheleavesgrow?3.Whatdotheflowerslooklike?Week1Thedaffodilbulbshavebeenplantedsidebyside

insoil,

withthepointedendsfacingup.Waterhas

beenaddedandthecontainerwasputinacool,

dark

place.Thebulbsarebeingwateredregularly.Week3Asinglestemhassproutedfromeachofthebulbs.On

eachstemaretwoleaves,

whicharelongandnarrow

withawaxytexture.

Thecontainerhasbeenmovedto

asunny,

butcoolplace.Week6Thestemshavegrowntoaround20centimetrestall

andeachhasproducedasingleflower.Theflowersare

yellowandwhite,

andshapedliketrumpets.Theywereplantedsidebysideinsoil,withthe

pointedendsfacingup.Theleavesgrewinasunny,butcoolplace.Theflowersareyellowandwhite,andshaped

liketrumpets.WritingWritinganobservationaljournal

Workinpairsandlookatthepicturesandtalkabouthowthesunflowersgrow.Thenwriteanobservationaljournalaboutthesunflowers.WritingWorkinpairsandlookatthepicturesandtalkabouthowthesunflowersgrow.Thenwriteanobservationaljournalaboutthesunflowers.Writinganobservationaljournal

WritingWorkinpairsandlookatthepicturesandtalkabouthowthesunflowersgrow.Thenwriteanobservationaljournalaboutthesunflowers.Writinganobservationaljournal

WritingWorkinpairsandlookatthepicturesandtalkabouthowthesunflowersgrow.Thenwriteanobservationaljournalaboutthesunflowers.Writinganobservationaljournal

LanguagePointsPara.4-6insomeways不完全地；在某種程度上besimilarto與…相似fungusn.真菌(復(fù)數(shù)：fungi)fungaladj.真菌的?Para.1that引導(dǎo)定從，修飾talkingtrees1.Talkingplantshavelongbeenathingofmythsandlegends.Talkingplants即“會說話的樹”，talking為現(xiàn)在分詞作定語，它與所修飾的名詞之間存在邏輯上的主謂關(guān)系，可以替換成一個定語從句，即Plantsthattalk?！就卣埂繂蝹€分詞作定語時，通常放在被修飾的名詞之前；分詞短語作定語時，放在被修飾的名詞之后?，F(xiàn)在分詞作前置定語，通常表示正在進(jìn)行的主動動作，也可以表示主動但不是正在進(jìn)行的動作。過去分詞作前置定語，通常表示被動，且有時有已完成的含義。LanguagePointsAfterreading—keywordsandexpressions

【例句】Afallingbodyisacceleratedbytheattractionoftheearth.（單個分詞，前置）Thecinemastandingacrossthestreetwassetuplastyear.（分詞短語，后置）Theinjuredmanwasrushedtothehospital.（單個分詞，前置）MostoftheyoungmeninvitedtothepartywereJack’sclassmates.（分詞短語，后置）asleepingchild,afallingstar（主動，正在進(jìn)行）apromisingchild,awalkingdictionary（主動，但不是正在進(jìn)行）friedeggs,boiledwater（被動完成）LanguagePoints1.Talkingplantshavelongbeenathingofmythsandlegends.Afterreading—keywordsandexpressions

【例句】據(jù)說Darwin是《物種起源》一書的作者。Darwinis

saidtobethewriterofthebookOntheOriginofSpecies.=Itis

saidthatDarwinisthewriterofthebookOntheOriginofSpecies.=Peoplesay

(that)DarwinisthewriterofthebookOntheOriginofSpecies.sbbesaidtodosth結(jié)構(gòu)的含義和用法：sbbe

saidtodosth=Itissaidthatsbdosth=peoplesay(that)sbdosth“據(jù)說某人做了某事”。LanguagePointsAfterreading—keywordsandexpressions

?Para.2Withuslongbelievingthattalkingplantsarefantasy復(fù)合結(jié)構(gòu)在句中作狀語，說明背景?，F(xiàn)在分詞believing和前面的代詞是邏輯上的主謂關(guān)系，表示主動?！就卣埂吭凇皐ith+名詞/代詞+非謂語動詞”復(fù)合結(jié)構(gòu)中，非謂語動詞可以是不定式（多指動作尚未發(fā)生）、動詞-ing形式（多指動作正在進(jìn)行）、動詞-ed形式（與前面的名詞構(gòu)成被動關(guān)系）。LanguagePoints【例句】WithTimguidingus,

wehadnodifficultyinfindingthedestination.

由于Tim的引導(dǎo)，我們毫不費力地找到了目的地。Withnoonetotalk

to,Johnfeltmiserable.

沒有人可以傾訴，約翰感到很難受。Withtheproblemsettled,

hefeltrelieved.

問題解決了，他如釋重負(fù)。Afterreading—keywordsandexpressions

?Para.3that引導(dǎo)定從，修飾theleavesthat引導(dǎo)主語從句，It為形式主語，為了避免頭重腳輕。LanguagePointsAfterreading—keywordsandexpressions

1)Itis+n.+that

Itisapity/shamethat... Itisafactthat…2)Itis+adj.+that

It’scertain/possible/obviousthat…3)It+不及物動詞+thatIthappened/appears/seemsthat...4)It+be+過去分詞+從句Itissaid/reportedthat...5.Thishappenswhenaplant,sayabeanplant,getsattackedbyinsects.LanguagePointssay在這里意為“認(rèn)為；假定，比方說”?！就卣埂砍Ｓ玫谋磉_(dá)還有：let’ssay(that)和justsay(that)?！纠洹縄f

weputout,say,

twentychairs,

wouldthatbeenough?

如果我們搬出去，比方說二十把椅子，夠不夠？Let’ssay

yourplanfails,

thenwhat?

假設(shè)說你的計劃失敗，那怎么辦？Justsayyouwonthelottery

—

whatwouldyou

do?

假定你中了彩票——你打算做什么？Afterreading—keywordsandexpressions

Whenanotherbeanplantdetectsthechemicalsfromitsinjuredneighbour,itstartstoreleaseitsown,differentchemicals.當(dāng)另一株豆類植物檢測到附近受傷同伴釋放的化學(xué)物質(zhì)時，它自身便開始釋放不同的化學(xué)物質(zhì)，Someofthesechemicalsdriveinsectsaway.Othersattractinsects—thewasps!其中一些能驅(qū)趕昆蟲，而另一些則會吸引另一種昆蟲—黃蜂！?Para.3Thewaspskilltheinsectsthatareeatingthebeanplants.黃蜂會殺死那些啃食豆類植物的昆蟲。Scientistshopetolearnmore

aboutthisplantwarningsystem,科學(xué)家希望能進(jìn)一步了解這種植物警報系統(tǒng)，sothatwecanuseittogrowcropswithoutpesticides.從而將其應(yīng)用于種植不用使用農(nóng)藥的農(nóng)作物。?Para.3sothat引導(dǎo)目的狀語從句，意為“以便，為了”LanguagePoints單句語法填空damagedgivenattendedsatisfiedthat/whoThat?Para.4if引導(dǎo)賓語從句，作tell的賓語6.Sometreesmakeclickingnoiseswhenthereisnotenoughwater,indicatingdroughtisarriving.LanguagePointsindicating為現(xiàn)在分詞作狀語，表示方式。Afterreading—keywordsandexpressions

Onthelastdayofourweek-longstay,wewereinvitedtoattendaprivateconcertonabeautifulfarmontheNorthShoreunderthestars,___________(listen)tomusiciansandmeetinginterestinglocals.2.ManyChinesebrands,__________________(develop)theirreputationsovercenturies,arefacingnewchallengesfromthemodernmarke