高二英语Unit1 Making a difference教案二 人教版.docx

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高二英语Unit1Makingadifference教案二人教版

2019-2020年高二英语Unit1Makingadifference教案二人教版

I.BriefStatementsBasedontheUnit

Doyoulikescience?

Doyouwanttobeascientistinthefuture?

Definitelymostofusdo.Doyouwanttoknowmore?

ThewholeunitofUnit1Makingadifferencewilltellyoumoreaboutscienceandscientists.Itwillbetaughtinfiveperiods.Warmingup,listeningandspeakingwillbedealtwithinthefirstperiod.Inthebeginning,thepicturesofonegreatwriterandthreeoutstandingscientistsandtheirfamoussayingsareshownbeforethestudents.Theyallmadegreatcontributionstotheworldandarerespectedbythousandsofmillionsofpeople,includingourmiddleschoolstudents.Bytalkingaboutgreatscientistsandtheirfamousquotes,thestudentswillbeencouragedtodevotethem-selvestoscience.Listeningisaboutthescientists'description.Detailedexercisesaredesignedforthemtodo.Afterdoingthis,thestudents'abilitytolistenwillsurelybeimproved.Speakingiswelldesigned.Thestudentsaredividedintogroupstodiscussaboutscienceanddecidewhichbranchisthemostimportantandusefulforsociety.Afterthedebate,thestudents'abilitytospeakisimproved,forthisisaninterestingtopicandwearesureallthestudentswillbeinterestedinit.Inthesecondperiod,wedealwithPre-reading,ReadingandPost-reading.ThetextisaboutanoutstandingBritishscientistofthiscentury.Heisamanwithdisability.Hecan'tspeakandcanonlymoveonhiswheel-chair.Whenhespeakshehastospeakthroughaputer.Hedevoteshimselftoscienceandachievesgreatsuccess.Inxx,hevisitedourcountryandspoketomanyuniversitystudents.Thereisnodoubtthathisunyieldingspiritisencouragingthousandsofmillionsofpeople.Hiswords,“peopleof-tenthinkthatscienceisanumberof‘true’factsthatneverchange…andeventhebesttheorycanturnouttobewrong.”.Shortenthedistancebetweenscienceandallofus.Whilereadingthewholetextanddoingtheexercisesbeforeandafterthetext,thestudentswilllearnthefinequalityofthegreatscientist,aswellaslearningplentyofusefulwordsandexpressions.Meanwhiletheirreadingabilitywillbeimprovedaswell.WordstudyandGrammararedealtwithinthethirdperiod.EspeciallyinGrammaralotofexercisesaboutinfinitivearedesigned.Afterdoingthem,thispartwillsurelybewellmasteredbythestudents.Thefourthperioddealswithintegratingskills.Inthereadingpassage,thequestion"howtomakeascientist"willbeanswered.Ittellsusthatifknowledgeispower,thenperhapscreativitycanbedescribedastheabilitytousethatpower.Scientistsmustbecreativeandusetheirimaginationallthetime.Intheend,thestudentsarerequiredtowriteabouttheirfavouritescientist.Afterlearningallthecon-tentsofthisunit,thestudentsaresuretowritethepassagewell.Inthefifthperiod,we'lldealwiththegrammar--theInfinitive.

Ⅱ.TeachingGoals

1.Talkaboutscienceandscientists.

2.Practisedescribingpeopleanddebating.

3.LearnmoreabouttheInfinitive.

4.Writeadescriptiveparagraph.

Ⅲ.TeachingTime:

Fiveperiods

IV.BackgroundInformation

1.THEBEGINNINGOFTIMEANDAREMARKABLEMANCALLEDSTEPHENHAWKING

Ifyouhaveeverthoughtabouthowtheuniversebeganandwhethertimehasabeginningoranending,thenyoushouldknowabouta55-year-oldEnglishmancalledStephenHawking.

Why?

BecauseheisconsideredtobeoneofthebrainiestmenintheworldandtobethemodernsuccessorofAlbertEinstein.

StephenhasspenthislifestudyingandthinkingabouttheoriginsoftheuniverseandhowitcanbeexplainedbyusingthemoderntheoriesofphysicssuchasRelativityandQuantumMechanics.Hisdiscoveriesandhisscientificproposalshavebeenrevolutionary.Peoplecallhimagenius.

Justasamazingisthefactthatsincehisearlytwenties,hehasbeensufferingfromanincurablediseaseofthenervoussystemwhichhasaffectedhismovementsandhisspeech.But,fortunately,althoughhemustuseawheelchairandothertechnicalaidstodothings,hisbrainfunctionsperfectly.In-deed,itfunctionsbetterthanthevastmajorityofpeople’s.So,inspiteofaseveredisability,hehasmadetremendouscontributionstoourunderstandingofouruniverse.

So,whatdoesStephenthinkaboutthebeginningsofourworld?

Well,hethinks(alongwithothers)thatitbeganaroundfifteenbillionyearsago.Healsothinksthatouruniversewasprobablycreatedbyanenormousexplosion,a“BigBang”.Thisisaviewheldbymanycosmologists(scientistswhostudytheuniverse).

ButscientistsholddifferentviewsaboutwhattheuniversewaslikebeforetheBigBang.SomepeoplethinkthatthereisnowaythatmodernphysicscanexplainorpredictanythingbeforetheBigBang.ManyotherpeoplethinkthattheBigBangmusthavebeentheworkofGod.

StephenHawkinghashisownviewonwhattheuniversewaslikebeforetheBigBang.Hehassuggestedthat,yes,wecansaythattheuniverseandtimebeganatoneparticularpoint(aBigBang).But,thisonepointwasjustanordinarypointintimelike,say,thenorthpoleisapointonthesmoothsurfaceoftheearth.Itwasnotapointofrealbeginning,justapoint.

Stephenbelievesthatifwecanuseourpresentknowledgeofthelawsofphysicstounderstandhowtheuniversebegan,thenwewillnothavetobelievethata“God”oraspiritualforcemadetheBigBang.

Whatdoyouthinkaboutourbeginnings?

IfyouwouldliketoreadmoreaboutStephen'sideasontheoriginsoftheuniverse,thenyoushouldreadhisbestsellerABriefHistoryofTime.

Inspiteofhisdifficultillnessandhisconfinementtoawheelchair,StephenHawkingworksasaProfessorofMathematicsatCambridge;holdingthesamepositionheldbyanotherfamousscientist,IsaacNewton,in1663.ItmaybethatthenameHawkingcouldbeejustaswellknowninhistoryasthatofhisfamouspredecessor.

2.StephenHawkinginChina

StephenHawking,thedisabledauthorofABriefHistoryofTimeislaunchinghissecondjourneytoChinainHangzhouofZhejiangProvince.Hisfirstvisitwasover10yearsago.

Thegreattheoreticalscientisthasbeeninvitedtoattendastate-of-the-artmathematicsresearchinstituteatZhejiangUniversity,Hangzhou-basedDushiKuaibaoreported.

OnSundayevening,hemadehisdebutatapressconferenceheldatShangri-Lahotel,Hangzhou.Hawkingappearedatabout5:

00p.m.withhiswife.

The50-year-oldmanansweredatotalofninequestionswiththehelpofhisputer.

“Expertsintheoreticalsciencearedispersedaroundtheworld,butweneedmunication.Iamverygladthattheworld'sfirst-classconferenceisbeingheldinChinathistime,”hesaid.

“IfindtherealuniversemuchmoreinterestingthantheoneinthefilmStarWars,”Hawkingjoked.“Iencourageyoungpeopletostudytheoreticalphysicsfirstiftheyareinterestedinit.”

StephenHawkinghasworkedonthebasiclawswhichgoverntheuniverse.WithRogerPenroseheshowedthatEinstein'sGeneralTheoryofRelativityimpliedspaceandtimewouldhaveabeginningintheBigBangandanendinblackholes.TheseresultsindicateditwasnecessarytounifyGeneralRelativitywithQuantumTheory,theothergreatscientificdevelopmentofthefirsthalfofthe20thcentury.

Oneconsequenceofsuchaunificationtheorywouldbethatblackholeswouldnotbepletelyblack,butemitradiationandeventuallyevaporateanddisappear.Anotherconjectureisthattheuniversehasnoedgeorboundaryinimaginarytime.Thiswouldimplythatthewaytheuniversebeganwaspletelydeterminedbythelawsofscience.

ButthetalentedmanwhohasproducedsuchrichworksuffersseriousAmyotrophicLateralSclerosis(ALS).Heisoneofthe350000sufferersintheworld.Thediseasekillsover100000peopleeveryyear.

“IlikelifeandIlovelife,myfamilyandmusicgivemethegreatesthappiness,”smiledHawking,whocanonlymovethreefingers.

Intheingyear,HawkingsaidheisscheduledtowriteaneweditionofABriefHistoryofTimeforyoungchildren.

“ABriefHistoryofTimeismyfirstbookformonpeople.ButIlaterfoundthatIcouldwriteitinamoresimpleway,”heanswered.“SoIdecidedtorewriteitsothatallpeoplecanreaditeasily.”

TheFirstPeriod

TeachingAims:

1.Learnandmasterthefollowingwords:

inspiration,perspiration,undertake,analysics,obvious,within,quote

2.Talkaboutscienceandscientists.

3.Listentothedescriptionofsomescientists.

4.Dosomespeaking,describingpeopleanddebating.

TeachingImportantPoints:

1.Trainthestudents'listeningabilitybylisteningpractice.

2.Trainthestudents'speakingabilitybytalkingaboutscienceandscientists,describingpeopleanddebating.

TeachingDifficultPoints:

1.Howtoimprovethestudents'listeningability.

2.Howtohelpthestudentsfinishthetaskofspeaking.

TeachingMethods:

1.Warminguptoarousethestudents'interestinscience.

2.Listening-and-answeringactivitytohelpthestudentsgothroughthelisteningmaterial.

3.Individual,pairorgroupworktomakeeverystudentworkinclass.

TeachingAids:

1.amultimedia

2.ataperecorder

3.theblackboard

TeachingProcedures:

StepIGreetings

T:

Goodmorning/afternoon,everyone.

Ss:

Goodmorning/afternoon,Miss/Mr.X.

StepIIWarmingup

T:

Therearemanyoutstandingscientistsintheworld,whomadegreatcontributionstosocietyandscience.Nowpleasemakealistofthenamesofsomescientistsandtheircontributions.Writethemdownonapieceofpaper.Afterawhile,l’llcollectyouranswers.

(Teachergoesamongthestudents.Afterawhile,collecttheirlistsofnamesandcontributions.)

T:

Whatgreats

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