人教英语新课标必修3全册精品教案Unit 4 Astronomy The Science Of The Stars.docx

人教英语新课标必修3全册精品教案Unit 4 Astronomy The Science Of The Stars.docx

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人教英语新课标必修3全册精品教案Unit4AstronomyTheScienceOfTheStars

人教英语新标必修3全册精品教案（Unit4Astrn:

TheSienefTheStars）

　　Unit4Astrn:

TheSienefTheStars

　　Teahingais:

　　Enablestudentstiprvetheirlisteningsillsandreadingabilit

　　2Enablestudentstunderstandthedevelpentfgravitandhgravitaffetsusindifferenttiesandplaes

　　3Arusestudents’interesttsearhfrthesterfspae

　　Ephasis:

　　rdsandexpressins:

gravit,flat,heerup,nthat,breaut,et

　　2Astrninledgeliegravitandblahle

　　Diffiulties:

　　Helpthestudentstunderstandthedevelpentfgravit

　　2Helpthestudentstnhgravitinfluenesus

　　Teahingethds:

siing,sanning,disussing

　　Teahingaids:

atapererder,apretrandaputerTeahingpredures:

　　ThefirstperidreadingStepIPresentatinT:

Hell,everne!

Tdae’lletUnit4AstrnBefrethatIhaveaquestin:

heredeefr?

reansa:

hareuranestrs?

S1:

nes!

S2:

BeiingRenhlivedanearsagS3:

ReptilesS4:

aalsS:

AphibiansS6:

DinsaursT:

Vergd!

anuputtheinrightrder?

S7:

Aphibians,Reptiles,Dinsaurs,aals,BeiingRenT:

Dunhatitasliebefrelifeappearednearth?

S8:

Itasfullfater,perhapsT:

Befrethat,hatasitlie?

S9:

Srr,Idn’tnT:

Duanttgetreinfratin?

Tdae’lllearnsethingabutHLifeBeganntheEarthTurntPage2Let’setaringupfirstStepIIaringup1Readthethreequestins,hilethestudentslistenandfll2GivetheSsseveralinutestdisussthequestins3lletansersfrthehlelass4hetheansershiledisussingT:

I’llreadthethreequestinsfruushuldlistentearefullFrexaple,ediinehensenegetsseriusillness,heillgtthehspitalThedtrillexainehiHeilltaehisteperature,easurehisbldpressureandgivehianX-ra,raTFrthehlepressftheexainatin,hatindfsienehasbeenused?

S1:

BilgS2:

heistrT:

Seansaediinebinesbilgandheistrhatabutbiheistrandgephsis?

S3:

IthinbiheistrbinesbilgandheistrS4:

GephsisbinesgelgandphsisT:

hatabutastrn?

S:

PhsisS6:

atheatisT:

Vergdeshuldnthatastrnisaultidisiplinarsubetandifeanttdseresearhnit,eshuldnansienesubetsrelatedtitNdisussthesendquestin:

hatdeeanhenesaearestudingasubetsientifiall?

rhat’stherretattitudetardssiene?

S7:

eshuldbebetive,ntsuperstitiusT:

hat’stherretatprveasientifiidea?

S8:

eshulddesignexperientsttestitfrseveraltiesS9:

TheneananalzetheresultsanddraanlusinatlastT:

Let’ssuuptheansersTstudasubetsientifiall,eusttrtbebetiveInrderttesturidea,eshulddesignexperients,thenanalzetheresultsanddraanlusinNlet’stalabutthethirdquestinhatarethestiprtantsillseneedtberealsientists?

S10:

eshuldbeverarefulS11:

BebetiveandlgialS12:

eshuldbeiseenughtdesignanexperientandritethereprtslearlS13:

eshuldbeabletdranlusinsfrtheexperientsandntipsenlusinsnthedataT:

IthinuhavednegreatrFrthedisussinenthatit’snteastbeasientistSushuldrharderifuanttbeasientistStepⅢPre-readingGettheSstdisussthequestinsnPage2iththeirpartnersThenastheSsttelltheirstriesEnuragetheSsttelldifferentstriesIfthedn’tnan,telltheseT:

NpleaselattheslideshAnddisussthesequestinsithurpartnersThenI’llassestudentsttellustheirstriesAreulear?

Ss:

es,Sir/ada1Duneahreliginrulturehasitsnideasabutthebeginningftheuniverse?

Pleasegiveanexapleifun2Dunhatasientifiideais?

AftertheSs’disussin,teahersasthefllingT:

Nh’dliettellusastr?

Vlunteer!

S1:

LetetrInhina,eallnthatPanguseparatesthesfrtheearthT:

anudesribethestrindetails?

S1:

Srr,Ian’treeberlearlT:

han?

Nbd?

NI’lltelluLatthesreenStepⅣReadingSanningGettheSstreadthepassagequilandauratelandeanhilehelptheSstfragdhabitfreadingTeahergivestheSsauplefinutestlthrughthehlepassageTelltheSstreadthetextsilentlandthenassedetailedquestinsabutthetextntheslideshiththeirpartnersTeahershuldenuragetheSstexpresstheirideasT:

e’regingtlearnapassageabuthlifebeganntheearthNlet’slattheslideshReadthetextquilandfindanserstthefllingquestinsShthequestinsnthesreen1hatastherentheearthbefrelifeuldbegin?

2hdsientiststhintherehasneverbeenlifenthen?

3hdidanialsfirstappearintheseas?

4hdidgreenplantshelplifetdevelp?

hereaalsdifferentfrtheranials?

T:

Nhananserthefirstne?

S1:

atervapur,arbndixide,xgen,nitrgenandthergasesT:

hatabutthesendne?

S2:

BeausethereisnaternthenT:

hatabutthethirdne?

S3:

BeauseateralledtheearthtdisslveharfulgasesinttheeansandseasT:

Thefurthne?

S4:

BeausegreenplantsantaearbndixidefrtheatsphereandfilltheairithxgenT:

hatabutthelastne?

S:

TheeredifferentbeausetheprduedtheirungfrithintheirbdiesT:

elldne!

NturntPage26prehending1,IthinuantinuetreaditagaintgetredetailsSiingInthispart,SsillreadthetextagainandthenfinishPart1,2and3T:

NpleasesithepassagefasttfinishPart1TheneillhetheanseretPart1:

BBBT:

SiParagraph2,3and4,andfinishPart2and3e:

DBIGEHAFT:

FrPart3,disusstheithurpartnerT:

hisitrnginfilsandstriestshdinsaursandpepletgether?

S:

BeausedinsaursdiedutlngbefrehuanbeingsdevelpedntheearthT:

Duagreeithhi?

S:

esT:

hatabuttheansertthesendquestin?

S:

ThearetheleverestanialsbeausethehavelargerbrainsthanantherreaturesntheearthsfarT:

Exellentb!

I’llhehuhuhavelearnedabutthepassageStepVListeningListentthetapefrthestudentstfllandhavefurtherunderstandingfthepassageT:

Readafterthetape,thenanseresequestinsithurblsedPlathetapeT:

Hdidatereintbeingntheearth?

Ifnestudentan’tanserpletel,astrthreerrestudentsSs:

Theexplsinftheearthprduedatervapr,hihturnedintaterhentheearthleddnT:

hisateriprtantntheearth?

Ss:

BeauseateralledtheearthtdisslveharfulgasesinttheeansandseasT:

N3,finishthefllingfr1sallplantsinater6frests7

　　8

　　93greenplantsnland4insets2ettheexerise:

2shellfishandallsrtsffish

　　aphibian7reptiles

　　8dinsaurs

　　9aalsT:

That’sallfrthispassageNlet’sdealithselanguagepintsExplanatinT:

TurntPage2Let’slatthesentenes:

1Itexpldedludlithfireandr,hihereintietprduetheatervapurhihleadsnn-restritiveattributivelauseintie:

snerrlater;eventuallI’llseehiintieintie:

ntlateSheillbebaintietpreparedinnerin/utftie:

in/ntintherrettieTheaudienelappedintiettheusi2Nbdnethatitasgingtbedifferentfrtherplanetsgingarundthesunbedifferentfr:

ntliesenersethingelseinnerreasNte:

eanusever,uh,quite,entirel,ttalltdifdifferentitlifeisquitedifferentfruntrlifegingarundthesunis-ingfrthatservesasattributiveenbreaingthelaillbepunishedanuseethegirldaningithurbfriend?

3hetherlifeillntinuentheearthfrillinsfearsteilldependnhetherthisprbleanbeslvedte:

servesasattributiveSheisthelastpersntdsuhathingdependn:

sethingightnlhappenrbetrueiftheirustanesarerightfritursuessdependsnhetherevernershardrnt4alingdesneedabitfpratienthatgravithashangednthat:

beausefthefatthatNthatI’free,IanenusifrahileNthatu’vegrnupuandeideiturselfPassageAnalzinghartfthetextHlifebeganntheearthater1sallplantsinater2shellfishandallsrtsffish3greenplantsnland4insetsaphibians6frests7reptiles8dinsaurs9aals10sallleveranialsithhandsandfeet11huan4insetsaphibiansTextRetellingRetellthetextusingabut100rdsStepⅥHerRetellthepassageardingtthefrReeberiprtantlanguagepints

　　ThesendperidExtensivereadingStep1ShsepituresftheastrnautsinthespaeStep2ReadthepassageandfillinthefrStep3Languagepints1LastnthIasluenughthaveahanetaeatripintspaeithfriendLianping,anastrnerEnugh:

prn

　　ad

　　advThebisldenughtdtshl

　　Heuldn’trunquilenughtathupiththeat2Theneereff

　　beff

　　=setff

　　Iafftda

　　earefftda3

　　getlset

　　靠近，接近，指动态变化

　　belset

　　距近，指状态

　　Theshlislsetthepstffie4ButhenItriedtstepfrardIfundIasarriedtieasfarasntheearthandfellver1）“A+be+倍数+as+形容词原级+as+

　　B”

　　Thistreeisthreetiesastallasthatne

　　Hisfatheristieasldashe2）“A+be+倍数+形容词比较级+than+

　　B”TheangtzeRiverisalsttielngerthanthePearlRiverThenuberfstudentsinurshlisthreetieslargerthanthatintheirs3）“A+be+倍数+the+名词+f+B”Thenelbradenedsquareisfurtiesthesizefthepreviusne6eathed,aazedasfirebreutntheutsidefthespaeshipastheearth’sgravitinreased

　　breaut1）战争爆发2）发生争吵3）发生7heerup;heersbup

　　感到高兴振奋8assesf

　　许多，大量9getthehangf熟悉,掌握,理解10exhausting;exhaustedStep4HerlletpassagesabutgravitPreparefrspeaing

　　Thethirdperid

　　LanguageStudStep1RevisinTranslatethefllingsentenes1你迟早会成功的。

　　u’llsueedintie2我的车与你的不一样。

　　arisdifferentfrurs3站在门旁边的那个人是谁？

　　histhepersnstandingbthedr?

4他总是第一个来，最后一个离开。

　　He’salasthefirstteandthelasttleave

　　既然你已经长大了，你自己决定吧。

　　NthatuhavegrnupuandeideiturselfStep2hetheexerisesinthispartStep3Graarhatpartdestheunderlinedpartserveasineahsentene?

　　Atreehasfallenarsstherad

　　uareastudent

　　Tfinduraanbeaprble

　　Singisbadfru“Hdud?

”isagreeting

　　hatshesaidisntetnn

　　Thateshallbelateisertain

　　Itisertainthateshallbelate

　　eanseefrthesesentenesthatasenteneservesassubet,seallitSubetlause1NunlausesastheSubetTtellhatitisandtheiprtaneithseexapleshattheteahersaidtdaasquiterightThatthearebadlinneedfhelpisquitelearhethertheillsellthehuseisntetdeidedhateverassaidhereustbeeptseret2it作形式主语Itisapitthatshehasadesuhaistae1）Itis+ad/n+从句　Itisapit/shaethat遗憾的是……　Itispssiblethat

　　很可能……　Itisunlielthat

　　不可能……

　　2）It+不及物动词+从句　Itsees/appearsthat

　　似乎……　Ithappenedthat

　　碰巧……3）It+be+过去分词+从句　　Itissaidthat

　　据说……　　Itisnntallthat

　　众所周知……　　Itisreprtedthat

　　据报道……　　Itisbelievedthat

　　据信……;人们相信……　　Itissuggestedthat有人建议……1

　　AsthestudentstdseexerisesStep4HerFinishtheexerisesabutNunlausesastheSubet

　　TheFurthperidListeningStep1Pre-listeningIntrdueIsaaNetn

　　and

　　AlbertEinsteinStep2Listening1

　　Listentthetapeandfillthefr2

　　Handutthelisteningaterialsandlistentthetapeagain,thenfillthebraetiththerightansersAtlastassestudentstreadthepassageStep3ListeningnP621Disussthefllingquestins1）_h’sangLiei?

　　He’surherhtraveledintspaentber1,XX

　　2）hat’sthenaefthespaeship?

　　ShenzhuV

　　3）Dunhateduatinandexperieneuneedtbeeanastrnaut?

　　N2Listentthetapeandansersetruerfalsequestins3

　　GivethestudentslisteningaterialandasthetpletethepassagehilelisteningStep4HerAfterlass,ushuldlistenttheagainandsuuphatuhavelearntfrtheFrtheher,thinabutnequestin:

hatneedstbeanastrnaut?

　　TheFifthPeridSpeaingandritingStep1Speaing1Spaealisdiffiultanddangerushatshuldanastrnauttaeithhi?

　　xgenan,spaesuit,gravitbts,atersste,speialfd,speialrpes2Haveanintervieiththefllingtheres1）Hdufeelhenuhaveustebafruterspae?

2）

　　hatisthestexitingexperienehenuareinuterspae?

3）

　　hatabutthestterriblething?

4）

　　hatdiffiultieshaveugnethrugh?

3SpeanertsentenesfreahequipentushuldtaeStep2TalingnPage621Shtheusefulexpressins:

Pleaselat/listentPleasehethatuneedPleasepaattentintDn’tfrgettu’dbetteraesureuathutfruustn’t2GivetheSapledialgueStep3Disussin1Ifuaregingffnahlida,hatillutae?

　　Iilltaelthes,shes,fdandantherthings

　　2Butfrspaetravel,uneedspeializedequipenthatequipentshuldutae?

ritednthedangersandtheatslvethe