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