知识学习The Secret of Life教案Word格式文档下载.docx

知识学习The Secret of Life教案Word格式文档下载.docx

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并就阅读内容展开讨论.

　　Languageinuse复习和巩固the/this/now的用法.

　　Vocabularyandlistening通过听的活动,提高对整体的理解能力和听力的概括能力.

　　Languageinuse复习和运用was/were,it,much

　　Readingandvocabulary了解现代遗传学的发展以及可能带来的相关问题;

学习和初步运用有关的词汇;

提高阅读能力.

　　culturalcorner通过阅读科幻小说&

lt;

&

时光机器&

gt;

所描述的两种生物,进一步激发学生对生命奥秘的兴趣.

　　II．教学计划

　　本模块分为五个课时：

　　第一课时：

Introduction，Presentationskill,culturalcorner

　　第二课时：

ReadingandVocabulary

（1）

　　第三课时：

Languageinuse&

amp;

　　第四课时：

ReadingandVocabulary,

　　第五课时：

Readingpractice，Task，moduleFile

　　III.Learningstrategy:

　　.cognitivestrategy

　　2.monitoringstrategy（调控策略）

　　municationstrategy（交际策略）

　　4.resourcestrategy（资源策略）

　　IV．教学步骤

　　Periodone

　　content:

Introduction，Speaking．culturalcorner

　　Procedure:

introduction

　　Step1:

matchthewordandphrasesintheboxwiththeirmeanings

　　Looklike

　　resemble

　　takeafter

　　.tohavesimilarphysicalfeaturesassomeoneelse

　　looklike

　　2.tobesimilartoanolderpersoninyourfamilyinappearanceorpersonality

　　3.aformalwordmeaningtohavesimilarphysical

　　featuresassomeoneelse.Resemble

　　Step2workinpairsanddiscussthequestions.

　　.

　　whodoyoulooklike,yourmotheroryourfather?

Explainhowyouresemblehim/her.

　　2.

　　whodoyoutakeafterinyourpersonality?

　　Step3completethesentencesaboutthebodywiththewordsinthebox.

　　cell

　　diseases

　　environment

　　gender

　　genetics

　　identical

　　twin

　　.Somethingthatisfoundinalllivingthingsisa________.

　　2.A______isoneoftwochildrenbornatthesametimetothesomemother.

　　3.__________isthestudyofgenes.

　　4.

　　Some__________areinheritedbutnotallofthem.

　　5.The_______ofachildisisaboyoragirl.

　　6.Twinswhoare_________haveexactlythesamegenes.

　　7.The____________aswellasourgenesmakesuswhoweare.

　　答案:

cell

　　Genetics

　　Step4Discusswhichcharacteristicsyouhaveinheritedfromyourparentsandwhichcharacteristicsareformedbyyourenvironment.

　　Usethewordsinthebox.

　　eyesighteyecolor

　　gene

　　health

　　height

　　intelligenceweightpersonality

　　culturalcorner

　　Readthepassageandanswerthequestions.

　　HowaretheEloiandthemorlocksdifferentfromeachother?

　　TheEloiliveaboveground,whilethemorlocksliveunderground;

TheEloiaresmall,beautifulandunabletodophysicalwork,whilethemorlocksarestrongandwicked.Theirappearancewasverydifferent,too.TheEloiwerehairyonlyontheirheads,whilethemorlockshadhairdowntheirbacks,too.Themorlocks’eyesweregrayish-red,whiletheElois’yeswerelargeandmild.

　　PeriodTwo

　　Step1Readparts1and2ofthepassageandanswerthequestions.

　　.whydidwatsonandcricksay,“wehavediscoveredthesecretoflife”?

　　BecausetheydiscoveredDNAandthatiswhatgenesaremadeof.

　　2.DoyouthinkstoriedA-Dinpart2aretrue?

why?

/whynot?

　　StoryA

　　DNAtestingwasmadeastandardprocedureincriminalinvestigations.

　　StoryB

　　Usingatechnologycalledgeneticengineering,acouplehadahighlyintelligent,good–lookingbaby.

　　Storyc

　　Havingbeeninsertedananimalgene,markwonallhisraces.

　　StoryD

　　Havingbeentestedthattheunbornchildwouldhaveaterrible,inheritedillness,thecoupledecidedtogetridofit.

　　Step2Readpart3ofthepassageandanswerthequestions.

　　.whatwillgeneticengineeringhelpscientiststodointhenearfuture?

　　Insertnewgenesintopeopletocreatenewcharacteristics.

　　2.whatdoesthewriterfeelaboutthenewdevelopmentsingenetics?

　　Somethingswouldbepositivebutothersmightchangethebasicnatureofhumanbeings;

hefeelswemustbecarefulinmakingdecisions.

　　Step3Lookatthewordsfromthepassage

　　commitamurder

　　couple

　　hereditary

　　performanoperation

　　pregnant

　　question

　　reproduce

　　victim

　　.…howdolivingthingsreproducethemselves?

　　Thismeans____.

　　A.tohavebabiesorproduceyoungplants

　　B.tofeedthemselves

　　2.…ourgenes,whichpasshereditarycharacteristicsontoourchildren.

　　Thismeans______.

　　A.new

　　B.inheritedfromparents

　　3.Althoughthepolicequestionedhim…

　　Thismeans_______.

　　A.towonderaboutsomeone

　　B.toasksomeonequestions

　　4.Butwhenhecommittedthemurder…

　　A.killedtheman

　　B.sawthedeadman

　　5.…watersleftsomeofhisowncellsonhisvictim.

　　A.thepersonheattacked

　　B.hisownclothes

　　6.Aboutsixmonthsago,marksecretlyvisitedasurgeon,whoperformedanoperationonhim.

　　Thismeans________.

　　Amarkhadanoperation

　　B.thesurgeonsaidmarkshouldhaveanoperation

　　7.DamianPetersonandhiswifeclaraareanothercouple…

　　A.twopeoplewhoaremarried

　　B.example

　　8.whenclarabecamepregnant…

　　A.becameworried

　　B.wasgoingtohaveababy

　　Step4Readthroughthewordsinthebox,andpayattentiontothestress.

　　advancealterathletebenefitconsequencedevelopmentfield

　　good-looking

　　insert

　　structure

　　technology

　　whatisanotherwordfor

　　A.athlete

　　B.consequence

　　c.alter

　　D.field

　　E.good-looking

　　2.Doesaplanthaveastructure?

　　yes,itdoes.

　　3.whatarethebenefitsoflearningEnglish?

　　Internationalcommunication.

　　4.canyouthinkofatechnologythatisusedinbusiness?

　　computertechnology.

　　5.whichtwowordsintheboxcanhavemoreorlessthesamemeaning?

　　advance,development

　　6.Ifyouinsertsomething,whatdoyoudo?

　　Putitintosomethingelse.

　　Step6Findthesesentencesandphrasesinthepassage.

　　.ThediscoveryofDNAhasbeencalledthemostimportantbiologicalworkofthelast100years.why?

　　Becauseithassuchabiginfluenceonourlives.

　　2.Butwhenhecommittedthemurder,watersleftsomeofhisowncellsonhisvictim.

　　whatwerescientistsabletodoasaresult?

　　matchtheDNAinthecellstotheDNAofthesuspect.

　　3.Twomonthslaterjuliahadasmallbutveryexpensiveoperation…

　　whatdoyouthinkthesurgeondid?

　　4.He’saworldchampionagain…

　　whydoesn’tmarkdeservetobeaworldchampion?

　　Becauseheisnota“natural”champion.

　　5.…hospitaltestsshowedthatherchildwouldhavethisillness.

　　whydidclarahavehospitaltests?

　　Tofindouriftheirunbornchildhadthefamily’shereditarydisease.

　　6.Anewfutureisapproaching.

　　whydoesthewritersaythis?

　　Becausegeneticengineeringwillbecomeverycommonandchangeeverything.

　　7.ontheotherhand,wemaysoonbeabletogetridofthedisease---butkeepthebaby!

　　Howmightwedothis?

　　8.…therearemanyimportantissuestodiscuss.

　　canyougivesomeexamples?

　　PeriodThree

ReadingPractice

　　Step1Answerthequestions

　　whatisgeneticallymodifiedfood?

　　HowcanyoutellthedifferencebetweenordinaryfoodandGmfood?

　　3.

　　HowmuchGmfoodisthereinchina?

　　whataretheadvantagesofGmfood?

　　5.

　　whatarethedisadvantages?

　　6.

　　whatshouldwedoaboutGmfoodinchina?

　　Step2discussion

　　Notmuchisknownaboutlong-termeffectsofGmfoodonhumansandtheenvironment.Itis“unpredictable”.

　　Step3Readthetextagainandanswerthefollowingquestions

　　.Istransgenicfoodthesameasgeneticallymodifiedfood?

　　yes.

　　2.whatistheriskofproducingaGmcropwhichkillspests?

　　Itwillkillgoodinsectsaswell.

　　3.whyistheriskfromcarcinogensreducedinGmfood?

　　Becausetherearefewertracesofcancerinducingpesticidesinthefood.

　　4.whatistherisktosomeonewhoisallergictoaparticulargene?

　　Ifthatgeneistransferredtoanotherfood,andtheallergicpersondoesn’tknow.

　　5.HowdoestheamountofGmfoodintheUScomparewiththenumberofpeoplewhothinkit’sdangerous?

　　30﹪ofmaize,50﹪ofSoyabeans,50﹪ofpotatoesandtomatoesareGm,and27﹪ofconsumersareworriedaboutthedangersofGm.

　　6.HowcouldGmfoodbestoppedfromenteringchina?

　　Byhavingthecustomsinspectallimportedfoods.

　　7.Howdidthewriterknowthatthereweren'

tanyimportedGmfoodsinthemarkets?

　　Theydidabigsurvey.

　　8.whatactionisgoingtobetakenaboutGmfoodsinchina?

　　Foodsaregoingtobelabeled.

　　9.Doyouthinkthewriteragreeswiththisaction?

　　Step4Lookatthesepairsofsentencesfromthepassage.Decideifthesecondsentenceaddstoorcontrastswiththeinformationinthefirstsentences.

　　.…GmfoodisalreadycommonintheUnitedStates.

　　chinadoesnotproduceverymuchGmfood…

　　2.IncanadaandtheUnitedStates,27percentofconsumersfearthatGmfoodcouldbedangerous.

　　InEurope,amajorityofconsumersareinfavorofbanningthem,and79percentoftheUkpublicopposesGmfood.

　　3.chinesecustomsdonotlisttransgenicproductsasanitemrequiringinspection.

　　ThereforeGmproductsmayenterthecountryfromabroad.

　　NeitheryoungnoroldpeoplefearedpossiblesideeffectsfromGmfoods.

　　…someparentsofchildrensaidthattheywouldnowpaymoreattentiontofoodlabeling.

　　Step5:

Answerthequestions

　　.Scientistshavefoundthatacropwithagenethatkillspestscanleaveapoisoninthesoilthatkillshelpfulaswellasharmfulinsects.

　　whatcanthecropdo?

　　leaveapoisoninthesoil.

　　whatdoesthecropcontain?

　　agenethatkillspests

　　whatcanthepoisoninthesoildo?

　　killshelpfulaswellasharmfulinsects

　　2.yetreducingtheamountofinsecticidesneededbyusingGmcropscanreducetheamountofcancerproducingchemicals---orcarcinogens---thatarefoundinfood.

　　Howcanyoureducetheamountofinsecticidesneeded?

　　byusingGmcrops

　　whatneedsinsecticides?

　　thecrops

　　whatcanreducecancerproducingchemicals?

　　usinglessinsecticides

　　3.Ifagenethatproducesanallergicreactionistransferredintoanothercrop,thenapersonwhousuallyavoidsfoodcontainingthisgenemaynotknowthatitisnowpresentinthemodifiedfood.

　　whatkindofgeneisit?

　　onewhichcausesanallergicreaction

　　whatkindofpersonisit?

　　apersonwhousuallyavoidsthosefoods

　　whatmightthispersonnotknow?

　　thattheGmfoodhasthatgeneinit

　　4.Unfortunately,the“AgriculturalorganismsT