高中英语人教大纲第三册Unit9 Health care第四课时.docx

高中英语人教大纲第三册Unit9 Health care第四课时.docx

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高中英语人教大纲第三册Unit9Healthcare第四课时

2019-2020年高中英语（人教大纲）第三册：

Unit9Healthcare（第四课时）

TeachingAims:

1.Learnandmasterthefollowingwords:

incident,significance,bench,sink,jar,lid,devotion

2.Trainthestudents’integratingskills,especiallyreadingandwritingskills.

3.LearnaboutAlexanderFlemingandhisgreatcontributiontothehuman’shealth.

TeachingImportantPoints:

1.UnderstandthepassageexactlyandlearnaboutAlexanderFlemingandhisdiscovery—penicillin.

2.Trainthestudents’readingandwritingability.

TeachingDifficultPoint:

Howtohelpthestudentswriteagoodarticleforajournal.

TeachingMethods:

1.Freetalktopresentsomeinformationaboutthepassagetothestudents,soastomakethestudentsinterestedinit.

2.Instructingmethodtohelpthestudentswriteanarticle.

3.Individul,pairorgroupworktomakeeverystudentfinishthegiventasksbetter.

TeachingAids:

1.themultimedia

2.theblackboard

TeachingProcedures:

StepⅠGreetings

Greetthewholeclassasusual.

StepⅡRevision

T:

Inthelastperiod,werevisedtheSubjunctiveMood.Canyouuseitfreely?

Ss:

Yes.

T:

Well,let’sdoanexercise.Lookatthescreenandfinishtheexerciseinthreeminutes.ThenI’llcheckyouranswers.

（Teachershowsthescreenandthestudentsbegintheirworkquickly.）

Correctmistakesifany.

1.Ifyouworkedharder,youwouldhavesucceeded.

2.Thericewouldnothaveburntifyouhadbeenmorecareful.

3.Itwassuggestedthatthemedicinesweresentherebyplane.

4.Ifthesunwillnotrisetomorrow,whatwouldyoudo?

5.Ifyouhadn’ttakensuchalongtimetogetdressed,we’dhavegottherebynow.

6.HowIwishIhadbeenabletosaytheruleswithoutamistake!

Suggestedanswers:

1.worked—hadworked

2.haveburnt—havebeenburnt

3.were—be

4.will—did

5.havegot—get

6.√

StepⅢPresentation

T:

Inthisunit,we’vetalkedalotabouthealthcareandsociety.Itisknowntousthatthegovernmenthasmadegreateffortstoimprovehealthcare.However,therearesomepersonswhohavealsomadegreatcontributionstohealthcare.Doyouknowwhatkindsofpersontheyare?

Ss:

Itmustbedoctors,nurses,chemistsandmedicinescientists.

T:

Youareright.Forexample,in1928,ayoungScottishscientistdiscoveredachemicalthatwasveryeffectiveincuringinfections.Doyouknowwhohewas?

Ss:

AlexanderFleming.

T:

Whatdidhecallthechemical?

Ss:

Penicillin.

T:

Yes.ItwasFleming’sgreatdiscoverythatchangedhospitalsandhealthcareforever.Thankstohisdiscovery,manyliveshavebeensaved.Today,wearegoingtoreadapassageaboutAlexanderFlemingandhisdiscoverypenicillin.First,let’slearnthenewwordsinit.

（Teachershowsthefollowingonthescreenanddealswiththenewwordsasusual.）

StepⅣReading

T:

OK.Now,pleaseopenyourbooksatPage79.ReadthepassageTheLittleMouldThatCouldsilentlyandquickly.Thenfinishthefirstexerciseafterit.Fiveminuteslater,I’llcheckyouranswers.

Suggestedanswers:

Ex.1　1.C　2.B　3.D　4.B　5.B　6.C

T:

Well,you’veunderstooditverywell.Inordertogetamoreexactmeaningofthetext,let’slearnsomesentencesinit.OK?

Ss:

OK.

（Teachershowsthesentencesonthescreen.）

1.Treatmentwereneitherscientificnoreffective,andmanypatientssuffereddeadlyinfectionasaresultofoperation.

2.Thismedicalwasabletofightmildinfections,butitwasnotstrongenoughtocureseriousinfections.

3.Despitetheirlackofinterest,Flemingkepttryingtodevelopthechemicalspthatitwouldbesafeandeffective.

4.ItwasnotuntilWorldWarⅡthattheimportanceofFleming’sdiscoverywasfullyrecognized.

5.Whenaskedabouthisdiscovery,SirAlexanderFlemingsaid,“Onesometimesfindswhatoneisnotlookingfor.”

T:

Nowlookatthesentencesonthescreen.I’llasksomestudentstotranslatethemintoChinese.Onestudent,onesentence.Theotherslistencarefullyandtelliftheirtranslationsareright.LiMing,thefirstsentence.

S1:

治疗既不科学，也没什么效果，许多病人手术后严重感染。

T：

……

S2:

这种药物能治疗轻微的感染，但对于严重感染，其药效还不够强而不能治愈。

S3:

尽管其他科学家对弗莱明的发现不感兴趣，但他还是继续努力研制这种药物以使其安全而有效。

S4:

直到二战，弗莱明发现的药物的重要性才被完全接受。

S5:

当有人问及亚历山大·弗莱明自己的发明时，他说：

“一个人有时会发现他自己并未寻找的东西。

”

（Bb:

neither...nor,asaresultof,enoughto...,lackof,keepdoing,sothat,Itwasnotuntil...that...,whendone...）

T:

Youalldidgoodjobs.Nowlet’sgoontodoEx.2.WorkinpairsandchoosewhichofthecharacteristicsbelowdoyouthinkhelpedAlexanderFlemingdiscoverpenicillin.Atthesametime,explainyourchoices.Ifnecessary,readthetextcarefullyagain.Youcanbeginnow.

（Severalminuteslater,teachercheckstheirwork.）

T:

Areyoureadynow?

Ss:

Yes.

T:

Well,who’dliketobethefirsttotalkaboutyourchoice?

S6:

Iwill.Inmyopinion,itwasadoctor’ssenseofresponsibilitythathelpedAlexanderFlemingdiscoverpenicillin.Withthischaracteristic,hedevotedhimselftohisdutyandobservedcarefully.

S7:

IthinkitwasthecharacteristicsofsympathythathelpedAlexanderFlemingdiscoverpenicillin.Withoutsympathy,hewouldnotmakeeffortstosearchforthechemicalwhichhebelievedcouldtreatinfections.

S8:

...

T:

Well,allyourchoicessoundreasonable.Afterclass,goontoaskaboutothers’choices.Now,let’slistentothetapeofthepassageandfurtherunderstandit.Ready?

Ss:

Ready.

（Teacherplaysthetape.Afterlistening,teacherbeginstodealwiththenextpart.）

StepⅤWriting

T:

NowimaginethatyouareAlexanderFleming.Youhavejustdiscoveredpenicillinandyouareveryexcitedaboutthenewchemical.Doyouwanttotellotherdoctorsaboutyourdiscovery?

Ss:

OfcourseIdo.

T:

Whatdoyouwanttotellthem?

WangHong.

S9:

FirsttellthemwhatIhavediscoveredandthenwhatitcanbeusedtodo.

T:

Bywhatmeanscanyoutellthem?

LiXia.

S10:

Bywritinganarticleinafamousmedicaljournal.

T:

Whatdoyouthinkofheridea?

Ss:

Verygood.

T:

OK.Now,pleasewriteyourarticleintheformofaletter.Youmayusetheinformationgivenonthescreen.

（Teachershowsthefollowingonthescreen.Thestudentsbegintowritetheirarticles.Iftimepermits,teachermayasksomestudentstoreadtheirarticlestotheclass.）

Penicillin

·isanaturalmouldthatiseasytogrowanduse

·willmakehospitalsafer

·cancureinfections

·killbacteria

·canbeusedtotreatdiseases

Asamplearticle:

Everydoctor,

I’mverygladtotellyouthatIhavediscoveredanewchemical,amouldgrowingonthecultureofsomeharmfulkindofbacteria.Itisanaturalmouldthatiseasytogrowanduse.Moreimportantly,themouldseemstobeabletokillthebacteria.Iexamineditcarefullyandfoundoutitbelongedtoastrainofpenicillinwhichcouldkilloffbacteriawhilenotcausinganydamagetowounds.Itworkedagainstmanykindsofbacteria.Later,aseriesofexperimentsprovedmyfinds,andtherefore,Icalleditpenicillin,whichcouldcureinfectionsbykillingbacteriaandwasmostlysafeforthehumanbody.Asaresult,theexistenceofpenicillinwouldmakehospitalsmuchmoresafer.Iwishthediscoveryofthemouldcouldbeusefultotreatdiseasesthathadbeenconsideredincurable.Ifreallyso,Iwouldfeelverydelighted.

AlexanderFleming

StepⅥSummaryandHomework

T:

Now,let’sseewhatwe’velearntinthisperiod.First,we’vereadthepassageaboutAlexanderFlemingandhisdiscoverypenicillin.It’shisdiscoverythatchangedhospitalsandhealthcareforever.Hisdiscoveryisastoryofhardworkandahappyaccident.Wecanlearnmuchfromhim,suchashischaracteristicsofdevotiontoduty,carefulness,observationandsenseofresponsibility.Doyouthinkso?

Ss:

Yes.

T:

Second,we’vepractisedwritinganarticleforajournaltomakeourdiscoveryknowntoothers.Ourabilitytouselanguagehasalsobeengreatlydeveloped.Afterclass,pleasereadthepassagesinthisunitagainandagain,findingoutwhichwordsandexpressionscanhelpyoudescribehealthcare.Doyouremember?

Ss:

Yes.

T:

That’sallfortoday.Goodbye.

Ss:

Goodbye.

Suggestedanswers:

insurance,allowance,clinic,fundamental,chemist,medicaltreatment,hospitalfees,etc.

StepⅦTheDesignoftheWritingonthe

Blackboard

Unit9　Healthcare

TheFourthPeriod

neither...nor...　　asaresultof

enoughtodo...　　　　lackof

keepdoing　　　　sothat

Itwasnotuntil...that...

Whendone...,....

StepⅧRecordafterTeaching

_____________________________________________________________________________________________________________________________________________________________

2019-2020年高中英语（人教大纲）第二册下：

Unit14Freedomfighters（第五课时）

TeachingAims:

1.SummarizeandreviewthedifferentformsofthePassiveVoiceinthePresentIndefinite,thePastIndefinite,theFutureIndefiniteandthePresentPerfect.

2.HelpthestudentsmasterhowtoturntheActiveVoiceintothePassiveVoice.

3.MakesurethestudentsknowhowtochangesentenceswithmodalverbsintothePassiveVoice.

TeachingImportantPoint:

HelpthestudentstousethePassiveVoiceintheFutureIndefiniteandthePresentPerfectcorrectly.

TeachingDifficultPoint:

HowtomakethestudentsknowhowtochangetheverbalphrasesfromtheActiveVoiceintothePassiveVoicecorrectly.

TeachingMethods:

Review,explanation,inductivemethods

TeachingAids:

1.themultimedia

2.theblackboard

TeachingProcedures:

☞StepⅠGreetings

Greetthewholeclassasusual.

☞StepⅡRevision

T:

We’velearntthePassiveVoicebefore.Now,lookatthescreen,please.

（Showthefollowingsentencesonthemultimedia.）

TurnthefollowingintothePassiveVoice:

1.Hewasheshisclotheseveryweek.

2.Irepairedmybikeyesterday.

3.Weshalldiscussthequestionatournextmeeting.

4.Theyhavedoneeverythingtomaketheworkeasier.

5.Thedriverisrepairingthecar.

6.Youmustkeepthebookclean.

T:

Pleasechangethesesent