高二英语必修五Unit 1 Great scientists教案Word文档格式.docx

高二英语必修五Unit 1 Great scientists教案Word文档格式.docx

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difficultpoints教学重难点

　　Talkaboutscienceandscientists.

　　Teachingmethods教学方法

　　Task-basedactivities.

　　Teachingaids教具准备

　　Acomputerandaprojector.

　　Teachingprocedures&

ways教学过程与方式

　　StepⅠLead-in

　　Askthestudentstothinkofsomegreatinventionsandinventorsinhistory.

　　T:

welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.maybeIshouldsayeveryonehasenjoyedascientificlife.why?

Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?

　　S1:

Edisoninventedthelightsandthegramophone.

　　S2:

ThefirstcomputerwasinventedbyagroupofAmericanscientists.

　　StepⅡwarmingup

　　First,asksomequestionsaboutgreatscientists.Second,askallthestudentstotrythequizandfindoutwhoknowsthemost.

youknowourlifeiscloselyrelatedtoscienceandscientists.webenefitalotfromthem.canyounameoutasmanyscientistsaspossible?

Newton.

watt.

　　S3:

Franklin.

　　Sampleanswers:

　　.Archimedes,AncientGreek,amathematician.

　　2.charlesDarwin,Britain.ThenameofthebookisoriginofSpecies.

　　3.ThomasNewcomen,British,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.

　　0.StepperHawking,British,aphysicist.

　　StepⅢPre-reading

　　Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

Now,class,pleaselookattheslide.Discussthesequestionswithyourpartners.ThenI’llasksomestudentstoreporttheirwork.

　　Showthefollowingonthescreen.

　　whatdoyouknowaboutinfectiousdiseases?

　　whatdoyouknowaboutcholera?

　　Doyouknowhowtoproveanewideainscientificresearch?

　　whatorderwouldyouputthesevenin?

justguess.

　　Sampleanswer1:

Letmetry.Infectiousdiseasescanbespreadeasily.Theyhaveanunknowncauseandmaydogreatharmtopeople.

Peoplecouldbeexposedtoinfectiousdiseases,somayanimals,suchasbirdflu.

AIDS,SARSareinfectiousdiseases.

　　S4:

Infectiousdiseasesaredifficulttocure.

　　Sampleanswer2:

Iknowsth.aboutit.Firstweshouldfindtheproblem.Then,thinkofasolution.

weshouldcollectasmuchinformationaspossible.

Analyzingresultsisthemostimportantstage.

Beforewemakeaconclusion,itisnecessaryforustorepeatsomestagesorprocesses.

　　Sampleanswer3:

Ithink“Findaproblem”shouldbethefirststage.

“makeupaquestion”shouldfollowthefirststage.

“Thinkofamethod”,“collectresults”and“Analyzeresults”areafterthat.

ofcourse,before“makeaconclusion”,weshould“Repeatifnecessary”.

welldone!

whenwewanttosolvesomeproblems,firstweshouldfindouttheproblem,dosomeresearchonit,proveyourfindings,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.Nowlet’sseehowdoctorjohnSnowdidhisresearch.

　　StepⅣReading

　　Letthestudentsskimthewholepassageandtrytoworkoutthemeaningsofthenewwordsandstructuresusingcontext.

TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.manypeoplediedwithoutknowingthereason.ItwasdoctorjohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassageandfindanswerstothequestions.

　　Showthequestionsonthescreen.

　　.whatconditionsallowedcholeradevelop?

　　2.whydoyouthinkpeoplebelievedthatcholeramultipliedintheairwithoutreason?

　　3.whatevidencedidjohnSnowgathertoconvincepeoplethatidea2wasright?

Thedirtywatermadethecholeradevelopquickly.

Becausepeoplecouldnotunderstanditscauseandcouldnotgetitcured.Sopeopleimaginedthatsomepoisonousgasintheaircausedthedeaths.

Hefoundthatmanyofthedeathswerenearthewaterpumpwhilesomeareasfarawayfromthewaterpumphadnodeaths.Sowhenpeoplewereaskednottousethewaterpump,thediseasebegantoslowdown.Inthisway,johnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.

　　StepⅤTextanalyzing

　　Askthestudentstoanalyzethetextingroups.

Nowclass.canyoutellmewhatstyleofthepassagebelongsto?

Ithinkitisareport.

Pleaselookatthechartonthescreen.ThechartshowsthateachparagraphofthetextexplainsjohnSnow’sstagesinhisresearch.Pleasereadthetextandfindoutthegeneralideaofeachparagraphandmatchthestagewitheachparagraph.Discussitingroups,andthenreportyouranswers.

　　Paragraphs

　　Stages

　　Generalideas

　　2

　　3

　　4

　　5

　　6

　　7

mygroup’sopinionisthis:

stageone“Findaproblem”isexpressedinparagraphone.Thegeneralideaislikethis:

johnSnowwantedtofindthecausesofcholera.

ouranswerislikethis:

paragraphtwoexpressesthesecondstage“makeupaquestion”.Thegeneralideaislikethis:

johnSnowwantedtoprovewhichtheorywascorrect.

“Thinkofamethod”isthethirdstage.Anditiscontainedinparagraphthree.Thegeneralideaislikethis:

johnSnowcollecteddataonthosewhowereillordiedandwheretheygottheirwater.

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

　　Findaproblem

　　Thecausesofcholera

　　makeupaquestion

　　Thecorrectorpossibletheory

　　Thinkofamethod

　　collectdataonwherepeoplewereillanddiedandwheretheygottheirwater

　　collectresults

　　Plotinformationonamaptofindoutwherepeoplediedordidnotdie

　　Analysetheresults

　　Analysethewatertoseeifthatisthecauseoftheillness

　　Repeatifnecessary

　　Findotherevidencestoconfirmhisconclusion

　　makeaconclusion

　　ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

　　StepⅥHomework

　　.Getmoreinformationaboutsomeinfectiousdiseasesandmodernscientists.

　　2.FinishtheExercises1,2,3onpages3and4.

　　教后反思：

　　在高考阅读中，常常会出现对文中单词或词组词义的猜测，在平时的阅读教学中如何渗透对学生这一方面能力的培养，也是教师应该思考的一个问题。

平时有意识地培养猜词的能力，根据词根，上下文等，尤其要注意单词及词组在上下文中的含义，而不是仅仅它的字面含义。

同样，在高考阅读中还经常会有深层理解题，如whatcanyouinferfromthesecondparagraph?

所以阅读的要求不能仅停留在表面含义，更应挖掘潜藏的内涵。

在教学中，也应充分应试技巧的训练和培养。

这节课也有一些亮点，比如：

1.这节阅读课上出了英语新课程标准的理念。

在阅读之前先对内容进行预测，这符合阅读的一般规律，在阅读之前首先在头脑中形成一个信息包，为阅读做好准备。

　　2.这节阅读课把应试教育和素质教育结合起来了。

首先，在阅读时注重篇章的理解，帮助学生理解结构（Briefintroduction,Bodyandconclusion）。

其次，难句的突破在课文理解中带出，不是为了难句去讲难句。