人教版英语高中必修五Unit 3 Life in the future part2教案

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Unit3Lifeinthefuture教案2

(IHAVEAMAZINGTHINGS<PART2>)

Teachingaims:

Learnexpressions&phrases

Learnlanguagepoints

DifficultandImportantPoints:

1〕Languagepoints

2〕Theusageof“takeupandsweep〞

TeachingMethods:

Presentation&Practice

TeachingProcedures:

Step1Pre-reading

T:Youdidagoodjob,Mostofyoureviewedwhatwelearned,NowletusguesswhatLiQiangwouldgoonvisiting,

S:Hewastovisitotherplanetsbytimecapsule,

S:Iguesshewouldgotovisitsomeinterestingplaces,

S:Ithinkhewouldpayavisittoafamilyandaschool,

T:Ifyouweretheauthorofthepassage,whatwouldyouliketointroducetoreaders?

S:Imightintroducethealienswhohemetinthefuture,

S:IthinkIwoulddescribethewayoffuturelife,

S:IfIweretheauthor,Iwouldprefertowritesomethingaboutfutureschool,

T:Somestudentsseemtohavethesameopinionastheauthor,whilesomemightbeabletowriteanewpassageforustoenjoy,Iamgladtoknowyouallhaveusedyourheadstohavevariousanswers,NowstudythepictureonPage21totellmewhatyoucanseeinthepicture,

S:Icanseeastrangethingisworkinginaspecialplace,

S:Thestrangethinghassixhandsandoneleg,butitsheadissimilartoours,

S:Thereisanothercreature,whichisverysmallwithmanyhands,comparedwiththebigone.

Step2FastReading

T:Nowletusreadthetitletogether,

T:Canyoupredictwhatthepassagemaybeabout?

S:Itmaybeaboutwhathehadseen,especiallyabouttheamazingthingsinthefuture,

T:Youareright,asweallknow,thebesttitleistheonewhichcanshowthemainideaofthereadingpassage,Asaconsequence,weshouldreadthetitlewhenwebegintoreadone,whichwillhelpustounderstandapassage,nowreadthepassagequicklytofindwhatamazingthingsarementionedinit,

(Afteroneminute,)

S:apacestation,somealiencreatures,mu-mu,dimpods

T:Yes,Pleaselookthroughitagainandfindoutmainideaforeachparagraph,You’dbetterfinishitintwominutes,

(Twominuteslater,askthestudentstoshowtheiropiniontothewholeclass,Thendiscussitanddecidethebestanswer,Theteachershouldtellthemtheanswerintheend,)

Suggestedanswers:

Para,1aspacestationconsideredthemostmoderninthispartofspace

Pare,2thefriendliestcreatures,mu-mu

Para,3themostinterestingcreatures,dimpods

Para,4thedifferencesandsimilaritiesbetweenthem

Step3CarefulReading

T:PleasereadPara,oneandanswerthequestions:Wheredidhefirstvisit?Describetheplace,

(Afteroneminute)

S:Hisfirstvisitwastoaspacestationconsideredthemostmoderninthispartofspace,Itisanenormousroundplate,anditspinsslowlyinspacetoimitatethepulloftheearth’sgravity,Insideofit,itisdividedintozoneswithextraordinarilydifferatmospheresandgravities,

T:Right,Whatotherstrangethingscanbefound?

S:Therelivethealiencreatureswhiletheyworkwithhumanspacescientistssearchingfornewworlds,

T:Nowpleasereadthenexttwoparagraphstotellthefollowingsentencestrueorfalse,

1.Thefriendliestcreaturesarethetinydimpods,whilethemostinterestingcreaturesarethemu-mu,

2.Themu-mumustwearrednightlightsonthehelmetssothattheycanseeinthedark,

3.TheWorldSpaceAgencywillsendaspaceshiptoexaminethefourthstarinthePleiadessystemnextyear,

4.Themu-mucanskiparoundthepipesandbetweenthewoodenwallsofthespacestation,

5.Thetinydimpodsaregreatengineers,whichrequirethesamethesameatmospheresashumans,

6.Thetinydimpodsvanproducesaliquidfromtheirbodies,whichmeltsmetalandveryusefulfortheoutsideforspaceships,

(Givestudentsfourminutestoreadandconsiderthestatements,)

T:Let’schecktheanswers,ifitiswrong,pleasecorrectit,

S:1,Ithinkthefirstsentenceiswrong,thetwoobjectsshouldbeexchanged,Thatistosay,thefriendliestcreaturesarethemu-mu,whilethemostinterestingcreaturesarethetinydimpods,

T:Right,Whataboutthenext?

S:2,Itisfalse,Humanbeingsmustwearrednightlightsonthehelmetssothattheycanseeinthedark,Butthemu-musdon’tneeditbecausetheycanseeinthedark,

T:Good,Isthethirdonewrong?

S:3,Ithinkitisright,

T:Right,Whataboutthenextone?

S:4,itiswrong,Thetinydimpodscanskiproundthepipesandbetweenthewoodenwallsofthespacestation,

T:Iagreewithyou,

S:5,thefifthandthesixthareright,

T:Excellent,Now,let’sreadthelastparagraphandcombinewhatwejustreadtofinishthefollowingchart,

Nameofcreature

Mu-mu

Dimpods

Size

Big

Tiny

Appearance

Theyaretallandthinwithshell-covered“leg〞,

Theyaresmall,justthesizeofalittlecat,

Color

Theyhaveblackandwhitefaces,

Theyarepurpleorblueandthecolorchangesdependingontheirmood,

Personality

1,Theyseeinthedarksotheyliveinanareawithoutlightofanykind,

2,Theyarecleversothattheyhaveassistedinthescientificdiscovery,

3,Theyarenoteasytotalktosothatyouhavetousealanguage-changertohelp,Themu-musonlyspeakinwhispers,

4,Theyeatfoodthatcontainscarbonanddrinkastrangemixtureofcarrotjuiceandcocoa,

1,Theyrequirethesameatmosphereashumans,

2,Theyaregreatengineersandveryclever,

3,Theyareabletotravelmanylightyearsawayfromtheearth,whichcanproduceastrangeliquidfromtheirbodies,

4,Theyaredifficulttotalktosothatyouhavetousealanguage-changertohelp,Thedimpodsshoutloudlyinyourear,

5,Theyeatfoodthatcontainscarbon,whichdrinklemonademixedwithherbs,

Numberofarms

Sixarms

Manyarms

Numberoflegs

Ashell-coveredleg

Manylegs

Howitmoves

Theymoveforwardbyslowlyshakingfromsidetosideonashell-coveredleg,

Theyskiparoundthepipesandbetweenthewoodenwallsofthespacestation,

Step4Post-reading

T:What’sthemainidea?

S:Thepassagemainlytellsusthestrangethingsthathesawinthefuture,

T:Right,Whatisthepurposeofwritingthepassage?

S:Writingthepassageistoletusknowwhatwillhappeninadvance,

S:Ithinktheauthorattemptedtoencourageustobebraveenoughtosearchforthefuturetospeedupthedevelopmentofscience,

T:Whatacleverhead!Weshouldhaveacreativespirittoexplorethedevelopmentofthefuturetobuildupoursociety,Weshouldworkhardtomakecontributionstoourcountry,tryingtomakeourhomelandhighlydeveloped,

T:Nowlet’simaginetoaddtwoextracharacteristicsofthecreatures,Discusswhatanaliencreatureofyourownmightbelikewithyourpartners,

(Aboutthreeminutes,asksomestudentstodescribewhatanaliencreaturemightbelikeintheirminds,)

Step5Writing

T:Justnowyoudiscusswhatanaliencreatureofyourownmightbelike,Nowpleasedrawapictureofyouralien,Thenwriteadescriptionbasedonyourdrawingandthenotesinthechart,Showyourdrawingtoyourclassmatesandreadyourdescriptiontothem,

(Givethemtenminutestodoit,First,letthemdoitbythemselves,Latergetthemtoexchangewiththeirdeskmates,Finallyasksomestudentstoshowtheirworktothewholeclass,Duringdoingit,theteachercandesignacompetitiontoarousetheirinterest,Ifpossible,getsomeexcellentworksshowntothewholeschooltoencouragestudentstohaveacreativespirit,)

Step6Consolidation

T:Inthisperiod,wemainlyfocusonreadingthepassage:IHaveSeenAmazingThings,Wouldyoupleasemakeasentencewith“WhatIhaveseen…〞?

(Inordertogetmorestudentstotakepartinthisactivity,theteachercanletthemhaveacompetitionbetweengroups)

Step7Listening(onPage23)

Task1Pre-listening

T:Let’sreadthefollowingphrasestogether,

spacecreatures,livingonanotherplanet,newdiscoveriesinspace,whyaspacestationspins,howtogetwateronMars,comets,housesinatownonMars,Martiancreatures,atmosphereandgravity.

T:Canyouunderstandthosephrases?Pleasepredictwhatyouaregoingtolistenmaybeaboutaccordingtothephrases,

Ss:Itmaybeaboutlifeontheotherplanet,

Task2FirstListening

T:Nowlet’slistentothetapetoseewhetherwhatyoupredictisrightornot,Atthesametime,youareaskedtotickthethingsthatyouhearonthetape?DoExerciseOneonPage23.

(Afterlistening,letthemchecktheanswers)

Task3SecondListening

T:Thistime,You’dwritedowntheanswerstothefourquestions,Boysandgirls,howcanwewritetheanswersfastandcorrectly?

S:Weshouldgothroughthequestionsfirstandkeeptheminmind,Whenwearelistening,wejustneedtopaymuchattentiontothesentencesrelatedtotheanswers,

S:Weneedn’twritedowneachwordoftheanswers,Wejustwritedownsomekeywords,Laterwecanwritedownthecompleteanswerswiththehelpofthesekeywords,

T:Youareclever,nowpleasegetready,First,lookthroughtheintroductiontothelisteningmaterial,Then,scanthequestions,

(Twominuteslater,theteacherplaysthetape,ThengiveSstimetoorganizetheirsentences)

T:Let’schecktheanswersonebyone,

(Ifstudentsmakesomecommonmistakesortheyseemtohavedifficultyinfindingoutanswers,teacherscangivethemsomehintsandletthemlistentoitagain,Afterthat,checktheanswers,Ifthestudentsfeelitdifficulttomakesenseaboutthekeywordsandunderstandthespeakers’intentionandattitude,theteachershouldgivethemsomehelp)

Task4Post-listening

T:Afterlistening,wouldyoupleaseanswersomequestions?

1.Whatdidyouhearonthetape?

2.Doyouthinkpeopleinthefuturewillbeabletolivein“Wonderworld〞?Whydoyouthinkso?

(Atthisparttheteachermayhavethestudentspresentwhattheyhaveheardonthetapeandshowtheirownopiniononlivingin“Wonderworld〞,Ifpossible,theteachermayhavesomeofthestudentsdothepresentationworkinclass,Bydoingthis,thestudentscangetfullunderstandingofwhatthetapeistalkingabout.)

Step8Speaking

Task1Lead-in

T:Boysandgirlsareyousurewhatwillhappentoyoutomorrow?

S:No,Nooneknowswhatwillhappentomorrow,

T:Iagreewithyou,whenweexpresswhatwillhappen,whatexpressionsdoweoftenuse?

S:Isitpossiblethat…?

S:Supposethat…

T:Goo