高二英语 Unit12 Fact and fantasy第四课时教案 人教版文档格式.docx

高二英语 Unit12 Fact and fantasy第四课时教案 人教版文档格式.docx

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2.Question-and-answeractivitytohelpthestudentsunderstandthereadingpassagebetter.

3.Discussionmethodtohelpthestudentsfinishthetaskofwriting.

4.Individual,pairorgroupworktomakeeverystudentworkinclass.

TeachingAids:

1.themultimedia

2.theblackboard

TeachingProcedures:

StepⅠGreetings

Greetthewholeclassasusual.

StepⅡRevision

T:

Inthelastperiod,we’velearnedsomerulesofwordformation.Doyouthinkknowledgeofwordformationcanhelpuslearnnewwords?

Why?

S1:

Yes.BecausemanyEnglishwordsareformedbyaddingaffixes.Solongasyouknowthemeaningsofsomeaffixes,andwordparts,youwillguessthemeaningsofsomenewwordswithoutlookingthemupinadictionary.

Quiteright.Sitdown,please.Now,let’sdoanexercisetoconsolidateit.Pleaselookatthescreen,andthenfillintheblanks.

（Teachershowsthefollowingonthescreen.）

1.submarine=______+______

2.disappear=______+______

3.overturn=______+______

4.Internet=______+______

5.underwater=______+______

6.prisoner=______+______

（Afterawhile,teacherasksonestudenttodotheexercise.Thenteachershowstheanswersonthescreen.）

Good.TellmetheChinesemeaningofeachword,andpointoutwhatthesuffixesmean.

Suggestedanswers:

1.潜水艇sub+marinesub-=under

2.消失dis+appeardis-=not

3.打翻over+turnover-=toomuch

4.因特网Inter+netinter-=between

5.在水下的under+waterunder-=below

6.囚犯prison+er-er=personwhocarriesouttheactionoftheverb

StepⅢReading

Inthelasttwoperiods,wehavelearntmuchaboutsciencefictionandknownmoreaboutJulesVerne,thefatherofsciencefiction,whowrotemanyfamoussciencefiction,suchas20000LeaguesUndertheSea,AroundtheWorldin80Days,JourneytotheCentreoftheWorld…Hebinedfactwithfantasycleverly.Now,we’regoingtoreadanotherpassageaboutsciencefiction,whosetitleistheStoryofDrFrankenstein.OpenyourbooksandturntoPage15.Readthepassagequicklyandthenanswersomequestionsonthescreen.

（Showthefollowingonthescreen.）

1.WhatdidDrFrankensteinwanttodowhenhewasyoung?

2.Afterhewassenttouniversity,whatdidhethinkofthethingstaughtatuniversity?

3.Whatattractedhisattention?

4.Didhediscoverthecauseoflife?

5.Althoughheknewhowtocreatlife,whatremainedadifficultworkforhim?

6.Whydidhedecidetocreatalargerhumanbeingthanmanabouteightfeetinheight?

（Teachergivesthemfiveminutestoreadthem.Afterthat,checktheiranswers.）

1.Hewantedtolearnthesecretsofheavenandearthwhenhewasyoung.

2.Hefoundallthatwastaughtatuniversityverydisappointinganddecidedtopioneeranewwayhimself.

3.Thestructureofthehumanbodyandanyanimalthatwasaliveattractedhisattention.

4.Yes.

5.Howtoprepareabodyforitwithallitsmusclesandorgansstillremainedadifficultjobforhim.

6.Becausethesmallsizeofthepartssloweddownhisspeed.

Welldone!

Haveyouanyprobleminunderstandingthepassage?

Ifany,pleaseaskme.

S4:

Idon’tknowhowtotranslatethesentence“Myfatherwasso…amap”intoChinese,andwhyhesaidhehadtolookforaroadwithouthavingamap.

Agoodquestion.ThesentencecanbetranslatedintoChinese“我的父亲没有什么科学头脑，所以我不得不在没有指导的情况下自己摸索”.DrFrankensteinusedametaphorintheso-clause.Heparedtheroadwithoutanyinstructionstothatwithouthavingamapinordertoshowhehadtoworkhardtofindawaytosciencebyhimself.Areyouclearaboutit?

Yes.Thankyou.

Anyotherquestions?

S5:

Inthesecondparagraph,whatdoes“throwlighton”mean?

Couldyoumakeasentencewithit?

Who’dliketoanswerhis/herquestionandmakeasentencewithit?

S6:

I’dliketo.TheChinesemeaningofthephraseis“使某事显得非常清楚”.Thepreposition“on”canbereplacedby“upon”here.Forexample,themodernscientificdevelopmenthasthrownlightuponthemysterious.

（TeacherwritesthephraseandthesentencemadebyS6ontheblackboard.）

Agoodjob.Thankyou.S5,areyouclearaboutit?

Yes.

（Anotherstudentstandsuptoraiseanotherquestion.）

S7:

Idon’tunderstandthestructure:

Whileunfinished,hewasugly…

Thesentence“whileunfinished”isequalto“whilehewasunfinished”.Thereasonwhy“he”and“was”canbeomittedisthatthesubjectinthewhile-clauseandthatinthemainsentencearethesame,andthewhile-clausecontainsa“be”verb,sointhiscase,thesubjectand“be”bothcanbeomitted.Theconjunctionlikethisincludes:

when,if,although,once,…Doyouunderstand?

Yes.Couldyoupleasemakeasentencewiththestructure?

Whocantry?

S8:

Whenaskedwhathadhappened,hetolduseverythingaboutit.AmIright?

Quiteright.Thankyou.S7,areyouclear?

Yes.Thankyouverymuch.

Inthereadingpassage,therearemanyimportantphrases.Now,I’llreadthemout.Youneedtofindthemoutandunderlinethem.OK?

Ss:

OK.

（Teacherreadsoutthefollowingphrasesandwritesthemontheblackboard:

throwlighton,attractsb.’sattention,dreamof,slowdown,cutup,burnout,aswhiteassnow）

Now,let’sdoanexercise.（Teachershowsthefollowingonthescreen.）

1.Theboy______beingapilot.

2.______beforeyoureachthecrossroads.

3.Heshoutedto______.

4.Thefire______.

5.Canyou______theproblem?

6.He______meatwithasharpknife.

7.Herskinis______.

Fillintheblanksusingtheproperphrasesontheblackboard.

1.dreamsof

2.Slowdown

3.drawpeople’sattention

4.burnnot

5.throwanylighton

6.cutup

7.aswhiteassnow

StepⅣListeningandReadingAloud

Now,let’slistentothetape.Firstlistenandrepeat.Thenreadthepassagealoudbyyourselves.Payattentiontoyourpronunciation.

（Teacherplaysthetapeforthestudentstolistenandfollow.Thengivethemafewminutestoread.Afterthat,asksomestudentstoreadthepassageandcorrectthemistakesinpronunciation.）

StepⅤDesigningandWriting

WehavereadapassageaboutDrFrankenstein,whichtellsushowDrFrankensteincreatedahumanbeinglikeus.Infact,oneofman’sgreatestdreamshasalwaysbeentocreatlife,especiallyalifeformthatlookslikeus:

tocreataman.Now,lookatthescreen.Pleasediscussthemingroupsoffour.

（Teachershowsthefollowingonthemultimedia.）

1.Howdoesyourdoctorcreatalifeformthatlookslikeahumanbeing?

2.Describeyourdoctor’seffortstodothat.

3.Creatawordwebofnouns,verbsandadjectivesforthestory.Addallthewordsyouneed.

（Teachergoesamongthestudentstohelpthemfinishthewordweb.）

1.Mydoctoruseshightechnologicalskillstocreatalifeformthatlookslikeahumanbeing,whohastheadvantagesofhumanbeingsandanimals,andatthesametimehasthefeaturesofadvancedputers.Itisasuperman.

2.Mydoctortakesthefollowingstepstocreatthehuman:

First,choosethecellsofhumanbodyandfurandfeaturesofanimalsasmaterials.

Second,usethetesttubeandmedicinetocultivatecellsinthelab.

Third,ontheonehand,armtheman-madehumanwithcultureandthought;

ontheotherhand,putthemachinewhichhasthefunctionsofstorage,code,language…inthebodyofhim.

Fourth,asupermanisborn.

3.

OK.Yourimaginationisverygood.Now,writeashortstoryabouthowyourdoctorwouldcreatahumanbeingaccordingtowhatyou’vediscussed.Beforewriting,readthetipsforwritingonPage16.Theywillgiveyousomehelp.

（Theteachergivesthestudentsenoughtimetofinishthetaskandaskssomeofthemtoreadtheircreativewritingtothewholeclass.）

Onepossibleversion:

HardCourse

Mymysteriousdoctor,MikeChan,owedhisgreatsuccessofcreatingRobottoaridiculousdream.Anideasuddenlystruckhimwhenhewassleeping.

Hebegantocollectthebonesfromgravesatnight.Itwashororablebuthedidn’tstop.Eventrappedbythestainland,hestillwentonandon.“I’llnevergiveup,”hethought.Daysgoingby,itwasalongwaytomakehisdreametrue.Besides,hisfriendJohnsaid,“StupidMike,you’llneverfinishit!

Godblessesyou!

…”

Hearingthesewords,Mikewentafurtherstepinsteadofbeingangry.Hecontinuedtodohisjob,suchascuttingupbodiesandanalysingthestructureofeachorgancarefully.Butthiswasfarawayfromthepleteanalysisindetail.Hehadnochoicebuttogetdeadanimalsconsistingofrabbits,birdsandmonkeysfromthebutcher’s.

Atthesametime,hewenttothehospitaltogettesttubes,chemicalmedicinestokeepthematerialsfresh.Ittookhimnearlyonemonthtoprepare.

Romeisnotbuiltinoneday.Hewentonwithhisresearch.Heputtheseusefulcellsintothetesttubesandobservedthemeveryday.Thenhestoredtheinformationintoamini-puter.Whathemustdonextwastomakeclearofthestructureoffur,feathersofbirds.Hedidtheresearchinthesameway.Aftertwomonths,hesolvedthecodeoftheorderonGeneDNA.Thiswasamarkablestone.“I’llnevergiveup,”hethought.

Everythingwentwell,buthowtomaketheunfinishedRobotspeak?

Withthehelpofthelanguagefunctionofputer,heachievedthesuccessatlast!

AsupermanRobotwasborn!

StepⅥSummaryandHomework

Inthisclass,we’vereviewedsomerulesofwordformationbydoinganexercise.We’vealsoreadapassageaboutthestor