【课件】Unit 4 Space Exploration Reading and Thinking人教版（2019）必修第三册.pptxVIP

Unit4SPACEEXPLORATION

Space:TheFinalFrontier

Teachingobiectives

■Bytheendofthisperiod,youwillbeableto

1.learnsomeknowledgeaboutthedevelopmentandvalueofspaceexploration.

2.knowhowtoanalyzethestructureofthearticleandsummarizethemainideaofthetext.

Lead-in

1.ThereareeightplanetsintheSolarSystem.

2.Footprintsleftbyastronautsonthelunarsurface(月球表面)woulddisappear.

3.ThehottestplanetinthesolarsystemisVenus(金星)。

462℃

4.Thehumanbodywillexplodeinspacewithoutaspacesuit(太空服)。

Becausehumanskinisflexibleenoughto

preventinternalorgansfromcomingout.

5.Thereisnosoundinspace.

Becausethereisnoairinspace,andairtransmitssound.

spacevehicles航天器

satellites

sbacecraft

Withthehelpofspacevehicles,suchassatellitesspacecraft,

mankindisexploringspace.Some

Theywillbeunchedbyrockets,afterwhichtheywill

aroundtheearthalongthe

spacecraftaremanned

,which

havecarrieastronauts

intospace.

Pre-reading

P40

1.Whatkindofpassageisit?

A.Apieceofnews.)3.Apopularsciencearticle.

C.Atraveljournal.D.Anovel.

2.Wherecanyoufindthiskindofpassage?

A.NewspaperB.Novel

C.MagazineSciencebook

Pre-reading

1.Beforeyouread,lookatthetilandthepictures.

While-reading

Para.1

“Arewealone?Whatsout

there?”Lookingupatthestars,

peoplehavealwayswantedtolearnmoreaboutspace,andscientistsworkhardtofind

answers.Theymakevehiclestocarrybravepeopleintospacetofindoutthesecretsofthe

universe.

Theyalsoreallywishto

discoverotherplanetsthataresuitableenoughto

supportlife.

Itisthecuriosity

of...that...

Yuri

Gagarin

firstThatsonesmallstepfor(a)

Apr12,man,

1961)rmankind.

Jul20