Unit1GreatScientists教學設計

（第2課時）

ListeningandSpeaking

[ThreeDimensionalTeachingAims]

1.Knowledgeaims:

LettheSsknowaboutsomescientistsandtheirlifeandcontributions.

GettheSstolearnhowtotalkaboutscientificworkandhowtodescribeaperson.

2.AbilityAims:

Trainthestudents’speakingabilitybydescribing,talkinganddiscussing.

Trainthestudents’listeningability.

3.EmotionalAims:

Trainthestudents’abilitytocooperatewithothers.

Encouragethestudentstolearnfromscientistsandshowinterestinscientificexplorationandresearch.

[TeachingImportantPoints]

1.Trainthestudents’speakingabilitybydescribing,talkinganddiscussing.

2.Helpthestudentsimprovetheirlisteningability.

[TeachingDifficulties]

Trainthestudents’listeningability.Especiallylistenandunderstandwhatthespeakersmeanbeyondwords.

[TeachingAids]

Ataperecorder,aprojectorandtheblackboard

[TeachingProcedure]

Step1Greeting

T:Hello,boysandgirls.

Ss:Hello,MissWang.

Step2Revision

T:Todaywewillbeginourlessonwithacompetitionbetweengroups.Inthelastperiod,welearnedaboutJohnSnowwhodefeats“KingCholera”.Now,pleasesaysomethingthatyouknowabouthim.Ifyouofferacompletesentence,youwillbegiventenmarks.Yourgroupwillbegiventwentymarkswhenyourexpressionisespeciallyexcellent.

S:JohnSnowisawell-knowndoctorinLondon,whoattendsQueenVictoriatoeasethebirthofherbabies.

S:Hebecomesinspiredwhenhethinksabouthelpingordinarypeopleexposedtocholera,whichisthedeadlydiseaseofhisday.

S:JohnSnowgetsinterestedintwotheoriesexplaininghowcholerakillspeople.

S:Hebelievesinthesecondtheorythatpeopleabsorbthisdiseaseintotheirbodieswiththeirmeals.Fromthestomachthediseaseattacksthebodyquicklyandsoontheaffectedpersonisdead.

Ss:...

(Theteachershouldencouragemorestudentstojoininthecompetition.Attheendofthecompetition,theteachershouldannouncetheresultofthiscompetition.Praisethewinnerandencouragethelosers.)

T:WhatcanwelearnfromJohnShow?

S:Weshouldbaseourtheoriesonpractice.

S:Weareinspiredtohaveaspiritofscientificexploration.

S:Wedosomeresearchwiththepurposeofservingthepeopleandsociety.

Ss:...

T:Yes,wecanlearnalotfromthescientist.Infact,thereareagreatnumberofpeopleworkingonscienceworthyofbeinglearnedbothathomeandabroad.Canyounamesomescientistsandintroducetheirmaincontributions?

S:Archimedes,whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat.

S:Darwinwroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged.

S:MadamCuriediscoveredradium.

S:StephenHawkingputforwardatheoryaboutblackholes.

S:ZhangHenginventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.

Ss:...

T:Youdidagoodjobandlistedmanyscientistsaswellastheircontributions.Today,wearegoingtolearnaboutmorescientists.

Step3Listening(onPages6)

Task1Pre-listening

T:Firstlet’senjoythepicture.Whatcanyousee?

S:PresidentJiangZeminandanoldman.

T:PresidentJiangZeminvisitedQianXuesen.

T:WhathaveyoualreadyknownaboutQianXuesen?

S:HeisaChinesescientist,whoseresearchmainlycentersonPhysics.

S:Heishonoredas“ChineseRocketFather”.

S:HehasmadegreatcontributionstospacetravelinChina.

T:Good.Youseemtohaveagoodknowledgeofhim.QianXuesenisafamousscientistwhohascontributedmuchtothecountry’scauseofscienceandtechnology.

Task2FirstListening

T:Wearetolistentothematerial,whichisaboutQianXuesen.YuPingistellingherfriendSteveSmithaboutQianXuesen’slife.IfyouwereYuPing,whattopicswouldyouliketocoverwhenintroducinghim?

S:Thedatewhenhewasbornandhedied;theplacewherehewasborn,lived,studiedanddied;hisfamily;hisexperience;hisachievements;hiscontributions

T:Excellent.Whenwetalkaboutandintroduceascientist,weusuallydescribetheseaspects.Now,listencarefullyandtickoutwhichtopicsarementionedinthetape.

(Afterlistening,letthemchecktheanswers.)

Task3SecondListening

T:Thistime.You’llwritedowntheanswerstothefivequestions.Boysandgirls,howcanwewritetheanswersfastandcorrectly?

S:Weshouldgothroughthequestionsfirstandkeeptheminmind.Whenwearelistening,wejustneedtopaymuchattentiontothesentencesrelatedtotheanswers.

S:Weneedn’twritedowneachwordoftheanswers.Wejustwritedownsomekeywords.Laterwecanwritedownthecompleteanswerswiththehelpofthesekeywords.

T:Youareclever.Nowpleasegetready.First,lookthroughtheintroductiontothelisteningmaterial.Then,scanthequestions.

(Twominuteslater,theteacherplaysthetape.ThengiveSstimetoorganizetheirsentences.)

T:Let’schecktheanswersonebyone.

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

Task4Post-listening

T:Afterlistening,wouldyoupleaseanswersomequestions?

1Whatdidyouhearonthetape?

2WhatcanyoulearnfromQianXuesen?

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

Step4Listening(Page41)

Task1Pre-listening

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

S:CarlLinnaeus,maybeDarwin.

T:Youareright.Bothscientistsdidstudybotanyanddevotedtheirtimetotheresearch.Asweknow,CarlLinnaeusdevelopedhissystemabouthowtoclassifyspecies.WhileDarwinwroteabook,theOriginofSpecies,inwhichheexplainedhowanimalsandplantsdevelopedastheenvironmentchanged.ThefollowingisaboutCarlLinnaeus.

T:Now,readtheinstructionsaboutthelisteningandchoosewhichofthefollowingstatementscloselydescribeswhatthislisteningpassageisabout.Explainwhytheothersarewrong.

S:Ithinkthethirdoneisright.Thisisaboutamanwhofindsaflowerandwantstoknowifitisanewspeciesofflower,becauseheisinterestedinbiologyandespeciallyinthestudyofplants.Whathewantstodoistostudywhetheritisanewspecies.Theothertwostatementscannotconveythestudy.

Task2Listening

T:Whatyousaidisreasonable.Let’slistentogethertofindwhetheryouranswerisright.

(Afterlistening,letthemchecktheanswers.)

T:Listentothetapeagainandtrytocompletethefollowingpassage.

Tofindthenameofanunknownflower,firstyouhavetogotoseeaflower__________he/shewilllookinaspecial__________writtenbyCarlLinnaeus.Helivedin__________from__________to__________.Hewasveryimportantbecausehesolvedaseriousproblemfor__________.Hesawallplantsandanimalsproduce__________.Someanimalsproduce__________butotherslay__________whileplants__________.Heusedthesedifferentwaysofproducingyoungtoputplantsandanimalsinto__________.Forexample,thegroupcalledbirdslay__________toproduceyoungandtheyallhave__________.Linnaeusputtheplantsandanimalsintosmallergroupsorspecies.Hegaveeachonetwonames.Oneisforthelargegroup,forexample,__________andoneisforthespecies,forexample__________.Soaparrotwouldbe__________.Hewasthefirstpersontosuccessfullyclassifyallplantsandanimals.

Task3Post-listening

Letthestudentsfillintheblanketsandthencheck.Ifthestudentsfeelitdifficulttodoit,letthemlistentoitathirdtime.Aftercheckingtheanswers,askthestudentstoreadittogether.

Step5Listening(Page44)

T:Lookatthescreenandlet’sreadthefollowingnewwordsfirstly.

(Thesewordsarepresentedonthescreen:analyze,pure,foundation,symbol,sin,cousin,geometry,calculus,mechanics,practical,topology)

T:Canyouguesswhichfieldthenextscientistisinaccordingtothenewwords?

S:Thenextmustbeamathematician.

T:Right.ThismathematicianisLeonhardEuler.JohnSmithisdiscussingwithZhaoYanghisresearchintothelifeandworkofamathematiciancalledLeonhardEuler.ListentothetapeandfillinthechartontheimportanceofEuler’swork.

Euler’sachievements

Examples

Newsymbolsandterms

Oldareasofmathematics

Newareasofmathematics

Importance

(Afterlistening,asksomestudentstofillinit.Ifmanystudentsfeelitdifficult,letthemlistentoitagain.Whiledoingit,theteachercanalsoasktwostudentstocometowritetheanswersontheblackboard.)

Step6Speaking

Task1Lead-in

T:Boysandgirls,fromthelisteningmaterial,weknowaboutsomescientists.Doyouhaveadreamtobeascientistinthefuture?

Ss:Yes./No.

T:Supposeyouwouldliketoworkasascientist,andyouarediscussingwithyourpartneraboutyourfuturejob.Whatquestionswouldyouliketoconcern?

S1:Whatjobdoyouwanttodo?

S2:Howwillyougetthejob?

S3:Whatpreparationswillyoumakeforthefuturejob?

T:Right.Apartfromthose,wecanalsotalkaboutthefollowingquestions:

1Whateducationwillyouneed?

2Whatpersonalitywillbeneeded?

3Whatworkexperiencewouldbeuseful?

4Howlongwillthetrainingtake?

5Howwillyouprepareforthiscareer?

T:Theseexpressionsmayhelpyou:

Ialwayswantedto...because...TheexperienceIwillneedis...

Imightfinditdifficultto... Ineedtopractice...

Mygreatestproblemwillbe...

Iwillneedtobe/become...

patient,creative,hard-working,co-operative,confident,brave,positive,pleasant,polite,determined,energetic,strictwith...

Task2Dialogue(pairwork)

T:Nowitistimetodiscusswhatscientificjobeachofyouwouldliketochooseinthefuturewiththehelpofthementionedquestionsandexpressionsinpairs.Iwillgiveyoufiveminutestoprepareforit.AfterthatIwillletsomepairstocometoactitout.

Sample:

A:Whatjobdoyouwanttodointhefuture?

B:Ialwayswanttobeabotanist.

A:Ifyouwanttobeascientist,whateducationwillyouneed?

B:Iwilltrymybesttogotoakeyuniversitytolearnandstudybotany.

A:Whatworkexperiencewouldbeuseful?

B:TheexperienceIwillneedistostudywildplantsinthewildwhenIamatschool.Now,Ijointhesocialnaturalcluborganizedbyourschool.EverytimeImakeeveryefforttoovercomedifficultytostudyplantsinthewild.

A:Doyouknowwhatpersonalitywillbeneededifyouwanttobeascientistinthefuture?

B:Iwillneedtobepatient,creative,hard-working,brave,energeticandco-operative.

A:Yes,Iagreewithyou.Besidesthosepersonalities,wealsoshouldbedetermined,confidentandpositive.

B:Iwillmakeeffortstoownsuchgoodquality.

A:Howwillyouprepareforthiscareer?

B:IintendtogotocollegenextyearandthenIwillhaveachancetobeascientist.ButmygreatestproblemwillbewhetherIwillbeabletogotouniversityinthefuture.

A:Don’tworryaboutitandjustgetdowntopreparingforit.Goodchancesalwaysbelongtothepersonswhohavealreadypreparedforthem.Iamsureyouwillsucceedifyoukeepworkinghard.Iamwaitingforyourgoodnews.

B:Thankyoufor