高三英语必修五《Unit 1 Great scientists》教案

　　【导语】高考竞争异常激烈，千军万马争过独木桥，秋天到了，而你正以凌厉的步伐迈进这段特别的岁月中。这是一段青涩而又平淡的日子，每个人都隐身于高考，而平淡之中的张力却只有真正的勇士才可以破译。为了助你一臂之力，免费高中频道为你精心准备了《高三英语必修五《Unit1Greatscientists》教案》助你金榜题名！

　　教案【一】

　　教学准备

　　教学目标

　　1.Studentslearnsomenewwordsandexpressionstodescribepeople,especiallyfamouspersons;

　　2.Studentsareencouragedtogivemoreinformationaboutfamouspersonswhotheyarefamiliar:

　　3.Studentscanrealizethatitisscientificspiritthatmakesthosescientistssuccessful.

　　教学重难点

　　1.Wordsandexpressionsinthisunit

　　2.Previousknowledgeofsomeofthefamousscientists

　　3.Comprehendingthetext

　　教学过程

　　【导入】Wordslearning

　　StudentsareassignedtolearnthenewwordsofthisunitandfindouttheEnglishexplainationsofthenewwords

　　Definitionsorexplanations

　　A.examine1.generalprinciplesofanartorscience

　　B.repeat2.sayordoagain

　　C.theory3.atonce;withoutdelay

　　D.immediate4.lookat...carefullyinordertolearnaboutorfrom...

　　E.complete5.ofgreatvalue,worthoruse

　　F.valuable6.havingallitsparts;whole;finished

　　G.announce7.makeknown

　　H.control8.comeorbringtoanend

　　I.positive9.powertoorderordirect

　　J.conclude10.quitecertainorsure

　　【讲授】usefulsentenceslearning

　　Thesentencesarepickedfromthetext.

　　1.“AllroadsleadtoRome,”heencouragedmeafterIfailedtheentranceexamination.

　　2.Thissentencedoesn’tmakeanysense.

　　3.OurEnglishteacherisnotonlystrictwithusbutalsofriendlytous.

　　4.Heisgood-looking,apartfromhisnose.

　　5.Itisannouncedthatthespacecraft,ShenzhouⅥ,landedontheearthsuccessfully.

　　6.ItisnotTombutyouwhoaretoblame.

　　7.In1995,theChinesegovernmentputforwardaplanfor“rejuvenatingthenationbyrelyingonscienceandeducation”.AndithashelpedChinesescientistsmakemanybreakthroughs.

　　8.Haveyoudrawnanyconclusionafteryoureadthispassage?

　　9.Welldone.Somuchforthelearningofthenewwordsandexpressions.

　　【讲授】Introductionofaclassicarticle

　　Teacherintroduceafamousperson--QianXuesenandstudentslearntowriteanarticleaboutthefamousscientisusingthewordsandexpressionstheyjustlearninclass.

　　【活动】Sharetheoutcome

　　Studentssharetheirarticleorallyanddiscusswhethertheyhaveusedsomegoodandadvancedexpressions.

　　【练习】Consolidation

　　完成句子

　　1爱因斯坦被认为是二十世纪最伟大的科学家之一。

　　Einstein___________________oneofthegreatestscientistsin

　　the20thcentury.

　　2他对实验结果感到满意,他把成绩归功于大家。

　　He________________________oftheexperimentand_____

　　句型转换

　　1把句①改为非限制性定语从句。

　　QianXuesenwasbornintoawealthyfamilyonDecember11,

　　1911,ZhejiangProvince,__________________________

　　____________________________________________.

　　2把句②改为含状语从句的复合句。

　　___________________________________________________

　　_______,hewenttoAmericaforhisfurtherstudyandgained

　　hisdoctor’sdegreeintheScienceofAstronom

　　单词?分类记忆

　　短语?双语互译

　　语境取词——选用上面的单词或短语填空

　　句型?超级仿写

　　教案【二】

　　教学准备

　　教学目标

　　1.Targetlanguage目标语言

　　a.重点词汇和短语

　　attend,control,severe,pub,immediately,handle,instructor,pump,contribute,conclude,steamengine,virus,putforward,makeaconclusion,exposeto

　　b.重点句式

　　Topreventthisfromhappeningagain,JohnSnowsuggestedthat...P3

　　2.Abilitygoals能力目标

　　Enablethestudentstotalkaboutscienceandscientists.

　　3.Learningabilitygoals学能目标

　　Enablethestudentstolearnaboutsomefamousscientistsandtheircontributionsandhowtoorganizeascientificresearch.

　　教学重难点

　　Talkaboutscienceandscientists.

　　教学工具

　　Acomputerandaprojector.

　　教学过程

　　StepⅠLead-in

　　Askthestudentstothinkofsomegreatinventionsandinventorsinhistory.

　　T:Welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.MaybeIshouldsayeveryonehasenjoyedascientificlife.Why?Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?

　　S1:Edisoninventedthelightsandthegramophone.

　　S2:ThefirstcomputerwasinventedbyagroupofAmericanscientists.

　　StepⅡWarmingup

　　First,asksomequestionsaboutgreatscientists.Second,askallthestudentstotrythequizandfindoutwhoknowsthemost.

　　T:Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.Canyounameoutasmanyscientistsaspossible?

　　S1:Newton.

　　S2:Watt.

　　S3:Franklin.

　　Sampleanswers:

　　1.Archimedes,AncientGreek287-212BC,amathematician.

　　2.CharlesDarwin,Britain1808-1882.ThenameofthebookisOriginofSpecies.

　　3.ThomasNewcomen,British1663-1729,aninventorofsteamengine.

　　4.GregorMendel,Czech,abotanistandgeneticist.

　　5.MarieCurie,PolishandFrench,achemistandphysicist.

　　6.ThomasEdison,American,aninventor.

　　7.LeonardodaVinci,Italian,anartist.

　　8.SirHumphryDavy,British,aninventorandchemist.

　　9.ZhangHeng,ancientChina,aninventor.

　　10.StepperHawking,British,aphysicist.

　　StepⅢPre-reading

　　Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

　　T:Now,class,pleaselookattheslide.Discussthesequestionswithyourpartners.ThenI’llasksomestudentstoreporttheirwork.

　　Showthefollowingonthescreen.

　　Whatdoyouknowaboutinfectiousdiseases?

　　Whatdoyouknowaboutcholera?

　　Doyouknowhowtoproveanewideainscientificresearch?

　　Whatorderwouldyouputthesevenin?Justguess.

　　Sampleanswer1:

　　S1:Letmetry.Infectiousdiseasescanbespreadeasily.Theyhaveanunknowncauseandmaydogreatharmtopeople.

　　S2:Peoplecouldbeexposedtoinfectiousdiseases,somayanimals,suchasbirdflu.

　　S3:AIDS,SARSareinfectiousdiseases.

　　S4:Infectiousdiseasesaredifficulttocure.

　　Sampleanswer2:

　　S1:CholeraiscausedbyabacteriumcalledVariancholera.

　　S2:Itinfectspeople’sintestines,causingdiarrhea,vomitingandlegcramps.

　　S3:Themostcommoncauseofcholeraispeopleeatfoodordrinkwaterthathasbeencontaminatedbythebacteria.

　　S4:Choleracanbemildorevenwithoutsymptoms,butaseverecasecanleadtodeathwithoutimmediatetreatment.

　　Sampleanswer3:

　　S1:Iknowsth.aboutit.Firstweshouldfindtheproblem.Then,thinkofasolution.

　　S2:Weshouldcollectasmuchinformationaspossible.

　　S3:Analyzingresultsisthemostimportantstage.

　　S4:Beforewemakeaconclusion,itisnecessaryforustorepeatsomestagesorprocesses.

　　Sampleanswer4:

　　S1:Ithink“Findaproblem”shouldbethefirststage.

　　S2:“Makeupaquestion”shouldfollowthefirststage.

　　S3:“Thinkofamethod”,“Collectresults”and“Analyzeresults”areafterthat.

　　S4:Ofcourse,before“Makeaconclusion”,weshould“Repeatifnecessary”.

　　T:Welldone!Whenwewanttosolvesomeproblems,firstweshouldfindouttheproblem,dosomeresearchonit,proveyourfindings,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.Nowlet’sseehowdoctorJohnSnowdidhisresearch.

　　StepⅣReading

　　Letthestudentsskimthewholepassageandtrytoworkoutthemeaningsofthenewwordsandstructuresusingcontext.

　　T:TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassageandfindanswerstothequestions.

　　Showthequestionsonthescreen.

　　1.Whatconditionsallowedcholeradevelop?

　　2.Whydoyouthinkpeoplebelievedthatcholeramultipliedintheairwithoutreason?

　　3.WhatevidencedidJohnSnowgathertoconvincepeoplethatidea2wasright?

　　Sampleanswers:

　　S1:Thedirtywatermadethecholeradevelopquickly.

　　S2:Becausepeoplecouldnotunderstanditscauseandcouldnotgetitcured.Sopeopleimaginedthatsomepoisonousgasintheaircausedthedeaths.

　　S3:Hefoundthatmanyofthedeathswerenearthewaterpumpwhilesomeareasfarawayfromthewaterpumphadnodeaths.Sowhenpeoplewereaskednottousethewaterpump,thediseasebegantoslowdown.Inthisway,JohnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.

　　StepⅤTextanalyzing

　　Askthestudentstoanalyzethetextingroups.

　　T:Pleaselookatthechartonthescreen.ThechartshowsthateachparagraphofthetextexplainsJohnSnow’sstagesinhisresearch.Pleasereadthetextandfindoutthegeneralideaofeachparagraphandmatchthestagewitheachparagraph.Discussitingroups,andthenreportyouranswers.

　　Paragraphs

　　Stages

　　Generalideas

　　1

　　2

　　3

　　4

　　5

　　6

　　7

　　Sampleanswers:

　　S1:Mygroup’sopinionisthis:stageone“Findaproblem”isexpressedinparagraphone.Thegeneralideaislikethis:JohnSnowwantedtofindthecausesofcholera.

　　S2:Ouranswerislikethis:paragraphtwoexpressesthesecondstage“Makeupaquestion”.Thegeneralideaislikethis:JohnSnowwantedtoprovewhichtheorywascorrect.

　　S3:“Thinkofamethod”isthethirdstage.Anditiscontainedinparagraphthree.Thegeneralideaislikethis:JohnSnowcollecteddataonthosewhowereillordiedandwheretheygottheirwater.

　　S4:Thefourthstage“Collectresults”liesinparagraphfour.Itsgeneralideaislikethis:JohnSnowplottedinformationonamaptofindoutwherepeoplediedordidnotdie.

　　S5:OurgroupbelieveparagraphfivecontainsthefifthstageofJohnSnow’sresearch.Thegeneralideaislikethis:JohnSnowanalysedthewatertoseeifthatwasthecauseoftheillness.Sothisstageisto“Analysetheresults”.

　　S6:Thesixthstageis“Repeatifnecessary”.Itiscontainedinthesixthparagraph.Thegeneralideaislikethis:JohnSnowtriedtofindotherevidencestoconfirmhisconclusion.

　　S7:Thelastparagraphisabouttheseventhstage“Makeaconclusion”.Itsgeneralideaislikethis:ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera.

　　Asksomestudentstoputtheiranswersinthechart.

　　Paragraph

　　Stages

　　Generalideas

　　1

　　Findaproblem

　　Thecausesofcholera

　　2

　　Makeupaquestion

　　Thecorrectorpossibletheory

　　3

　　Thinkofamethod

　　Collectdataonwherepeoplewereillanddiedandwheretheygottheirwater

　　4

　　Collectresults

　　Plotinformationonamaptofindoutwherepeoplediedordidnotdie

　　5

　　Analysetheresults

　　Analysethewatertoseeifthatisthecauseoftheillness

　　6

　　Repeatifnecessary

　　Findotherevidencestoconfirmhisconclusion

　　7

　　Makeaconclusion

　　ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

　　T:Nowclass.Canyoutellmewhatstyleofthepassagebelongsto?

　　S1:Ithinkitisareport.

　　T:Herearethreepiecesofwriting.Theybelongtodifferentwritingstyles.Nowreadandfindoutwhatstyleeachpiecebelongsto.

　　Showthechartandthreepiecesofwritingonthescreen.

　　Report

　　Description

　　Creativewriting

　　Formallanguagewithfewadjectives

　　Vividuseofwordswithsimilesandmetaphors

　　Vividuseoflanguageandmoreinformalstyle

　　Nospeechexcept

　　quotations

　　Nospeechexcepttohelpthedescription

　　Speechtoshowfeelings,reactionsetc.

　　Notemotional

　　Emotionaltodescribeatmosphere

　　Emotionaltodescribefeelings

　　Onlyonemaincharacter

　　Nocharacters

　　Mayhaveseveralcharacters

　　Factual

　　Notfactualbutimaginative

　　Imaginativebutcanbebasedonfact

　　Structuralaccordingtoexperimentalmethod

　　Notstructured

　　Beginning,middle,end

　　Pasttenseandpassivevoice

　　Pasttense

　　Pasttense

　　MakingWay

　　OnceGoethe歌德,thegreatGermanpoet，waswalkinginapark.Hewasthinkingaboutsomethingwhenhenoticedhecametoavery,verynarrowroad.Justatthattime,ayoungmancametowardshimfromtheotherendoftheroad.Itwastoonarrowforbothofthemtopassthroughatthesametime.Theystoppedandlookedateachotherforawhile.Thentheyoungmansaidrudely，“Inevermakewayforafool.”ButGoethesmiledandsaid,“Ialwaysdo.”Thenheturnedbackquicklyandwalkedtowardstheendoftheroad.

　　WeatherReport

　　Here’stheweatherreportforthenext24hours.Beijingwillbefinewiththetemperaturefrom4to13.Tokyowillbefinetooandcloudylaterintheday.Thelowesttemperatureislto8.Londonwillberainyandwindylaterintheday.Thehighesttemperatureis8andthelowestis4.NewYorkwillbesunnyandcloudylaterintheday.Thetemperatureis13to19.

　　Heartbeating

　　Putyourhandtotheleftsideofyourchest.Trytofeelyourheartbeating.Thehearttakesalittlerestaftereachpumporbeat.Inboysorgirlsofyourage,heartbeatsabout90timesaminute.Agrown-up’sheartbeatsabout70or80timesaminute.Buttheheartbeatisdifferentinthesamepersonatdifferenttimes.Forexample,theheartbeatsfasterduringexercise.Itisalsofasterwhenapersonisangry,scared,orexcited.Duringsleep,theheartbeatslowsdown.

　　Sampleanswers:

　　S1:Ithinkthefirstpiece“MakingAWay”isinastyleofcreativewriting.Thesecondpiecebelongstoadescriptionstyle.Thethirdpiecebelongstoareportstyle.

　　T:Verygood.Nowlet’sreturntoourtext.Whocantellmethemainideaofthispassage?

　　S2:Ican.ClearlyittellsushowJohnSnowdefeatedthediseasecholerabydoingscientificresearch.

　　StepⅥHomework

　　1.Getmoreinformationaboutsomeinfectiousdiseasesandmodernscientists.

　　2.FinishtheExercises1,2,3onpages3and4.