高中英语人教版必修5课件Unit 1 Great scientists Period 3Word格式文档下载.docx

高中英语人教版必修5课件Unit 1 Great scientists Period 3Word格式文档下载.docx

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Duringthecourse,teachersshouldrankclassactivitiesfromtheeasytothedifficult.First,askthemtolearntheexpressions.Then,askthemtoimitateittohaveadialogue.Finally,thestudentsareexpectedtocreateadialogueordiscussthegiventopic.Inordertodrawstudents’attention,theteacherhadbetterprepareforsomeinterestingsituations.

Thisperiodcentersonemphasisonspeakingandlistening.Theteachershouldtryhisorherbesttoencoura

gethestudentstosaysomething.Don’talwayscorrectthemistakesthatthestudentswouldmakewhilespeaking.Otherwise,thestudentswouldfeelreluctanttospeakouttheiropinions.

TeachingImportantPoints

Trainthestudents’speakingabilitybydescribing,talkinganddiscussing.

Helpthestudentsimprovetheirlisteningability.

TeachingDifficulties

Trainthestudents’listeningability.Especiallylistenandunderstandwhatthespeakersmeanbeyondwords.

TeachingAids

ataperecorder,aprojectorandtheblackboard

ThreeDimensionalTeachingAims

Knowledgeaims:

LettheSsknowaboutsomescientistsandtheirlifeandcontributions.

GettheSstolearnhowtotalkaboutscientificworkandhowtodescribeaperson.

AbilityAims:

Trainthestudents’listeningability.

EmotionalAims:

Trainthestudents’abilitytocooperatewithothers.

Encouragethestudentstolearnfromscientiststoshowinterestinscientificexplorationandresearch.

TeachingProcedure

Step1Greeting

T:

Hello,boysandgirls.

Ss:

Hello,MissWang.

Step2Revision

Todaywewillbeginourlessonwithacompetitionbetweengroups.Inthelastperiod,welearntaboutJohnSnowwhodefeats“KingCholera”.Now,pleasesaysomethingthatyouknowaboutit.Ifyouofferacompletesentence,youwillbegiventenmarks.Yourgroupwillbegiventwentymarkswhenyourexpressionisespeciallybeautiful.

S:

JohnSnowwasawell-knowndoctorinLondon,whoattendedQueenVictoriatoeasethebirthofherbabies.

Hebecameinspiredwhenhethoughtabouthelpingordinarypeopleexposedtocholera,whichwasthedeadlydiseaseofhisday.

JohnSnowgotinterestedintwotheoriesexplaininghowcholerakilledpeople.

Hebelievedinthesecondtheorythatispeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Fromthestomachthediseaseattackedthebodyquicklyandsoontheaffectedpersonwasdead.

...

（Theteachershouldencouragemorestudentstojoininthecompetition.Attheendofthecompetition,theteachershouldannouncetheresultofthiscompetition.Praisethewinnerandencouragethelosers.）

WhatcanwelearnfromJohnShow?



Weshouldbaseourtheoriesonpractice.

Weareinspiredtohaveaspiritofscientificexploration.

Wedosomeresearchwiththepurposeofservingthepeopleandsociety.

...　

Yes,wecanlearnalotfromthescientist.Infact,thereareagreatnumberofpeopleworkingonsc

ienceworthyofbeinglearnedbothathomeandabroad.Canyounamesomescientistsandintroducetheirmaincontributions?

Archimedes,whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat.

Darwinwroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged.

MadamCuriediscoveredradium.

StephenHawkingputforwardatheoryaboutblackholes.

Zhanghenginventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.

...

Youdidagoodjobandlistedmanyscientistsaswellastheircontributions.Today,wearegoingtolearnaboutmorescientists.

Step3Listening（onPages5-6）

Task1Pre-listening

Firstlet’senjoythepicture.Whatcanyousee?

PresidentJiangZeminandanoldman.

PresidentJiangZeminvisitedQianXuese

n.

WhathaveyoualreadyknownaboutQianXuesen?

HeisaChinesescientist,whoseresearchmainlycentersonPhysics.

Heishonoredas“ChineseRocketFather”.

HehasmadegreatcontributionstospacetravelinChina.

Good.Youseemtohaveagoodknowledgeofhim.QianXuesenisafamousscientistwhohascontributedmuchtothecountry’scauseofscienceandtechnology.

Task2FirstListening

Wearetolistentothematerial,whichisaboutQianXuesen.YuPingistellingherfriendSteveSmithaboutQianXuesen’slife.IfyouwereYuPing,whattopicswouldyouliketocoverwhenintroducinghim?

Thedatewhenhewasbornandhedied;

theplacewherehewasborn,lived,studiedanddied;

hisfamily;

hisexperience;

hisachievements;

hiscontributions

Excellent.Whenwetalkaboutandintroduceascientist,weusuallydescribetheseaspects.Now,listencarefullyandtickoutwhichtopicsarementionedinthetape.

（Afterlistening,letthemchecktheanswers.）

Task3SecondListening

Thistime.You’llwritedowntheanswerstothefivequestions.Boysandgirls,howcanwewritetheanswersfastandcorrectly?

Weshouldgothroughthequestionsfirstandkeeptheminmind.Whenwearelistening,wejustneedtopaymuchattentiontothesentencesrelatedtotheanswers.

Weneedn’twritedowneachwordoftheanswers.Wejustwritedownsomekeywords.Laterwecanwritedownthecompleteanswerswiththehelpofthesekeywords.

Youareclever.Nowpleasegetready.First,lookthroughtheintroductiontothelisteningmaterial.Then,scanthequestions.

（Twominuteslater,theteacherplaysthetape.ThengiveSstimetoorganizetheirsentences.）

Let’schecktheanswersonebyone.

（Ifthestudentsmakesomecommonmistakesortheyseemtohavedifficultyinfindingoutanswers,teacherscangivethemsomehintsandletthemlistentoitagain.Afterthat,checktheanswers.Ifthestudentsfeelitdifficulttomakesenseaboutthekeywordsandunderstandthespeakers’intentionandattitude,theteachershouldgivethemsomehelp.）

Task4Post-listening

Afterlistening,wouldyoupleaseanswersomequestions?

1Whatdidyouhearonthetape?

2WhatcanyoulearnfromQianXuesen?

（Atthisparttheteachermayhavethestudentspresentwhattheyhaveheardonthetapeandshowtheirownopinionaboutwhattheyhavelearnedfromhim.Ifpossible,theteachermayhavesomeofthestudentsdothepresentationworkinclass.Bydoingthis,thestudentscangetfullunderstandingofwhatthetapeistalkingabout.）

Step4Listening（Page41）

JustnowwelearnedaboutaChinesescientist,QianXuesen,whohasmadegreatcontributionsonspacetravelinChina.Wewillgettoknowanotherscientist,whosecontributionisonbotany.Canyouguesswhoheis?

CarlLinnaeus,maybeDarwin.

Youareright.Bothscientistsdidstudybotanyanddevotedtheirtimetotheresearch.Asweknow,CarlLinnaeusdevelopedhissystemabouthowtoclassifyspecies.WhileDarwinwroteabookontheOriginalofSpecies,inwhichheexplainedhowanimalsandplantsdevelopedastheenvironmentchanged.ThefollowingisaboutCarlLinnaeus.

Now,readtheinstructionsaboutthelisteningandchoosewhichofthefollowingstatementsmistcloselydescribeswhatthislisteningpassageisabout.Explainwhytheothersarewrong.

Ithinkthethirdoneisright.Thisisaboutamanwhofindsaflowerandwantstoknowifitisanewspeciesofflower.Becauseheisinterestedinbiologyandespeciallyinthestudyofplants.Whathewantstodoistostudywhetheritisanewspecies.Theothertwostatementscannotconveythestudy.