外研版英语八年级下m3Unit.pptxVIP

Module3

Module3Journeytospace

Unit2Wehavenotfoundlifeonanyotherplanetsyet.

earthmoonRevision

spaceshipastronaut

spacetravel

ScientistshavesentspaceshiptoMars.Thejourneyhastakenseveralmonths.

Astronautshavealreadybeentothemoon.

NoonehasbeentoMarsyet,becauseMarsisveryfaraway,muchfartherthanthemoon.

LotsofscientistsareworkinghardinordertosendastronautstoMarsoneday.

WorkinpairsLookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.

Listenandread

Readthepassageandchoosethebesttitleforit.Anyoneoutthere?LifeontheearthThesunandotherstarsThestarsatnight√

×1√2√3Theearthisastar.4Thesunisastar.5Thereismorethanonegalaxy intheuniverse.Check(√)thetruesentences.6

Thelightfromthestarsinother galaxieshastravelledforalong timetoreachus.Scientistshavereceivedmany messagesfromspace.Spaceshipshavevisitedmostof theuniverse.1√2×3×4

CompletethepassagewiththewordsandexpressioninthemunicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)____________,but(2)______ofthemhasa(n)(3)____________likethatoftheearth.solarsystemnoneenvironment

Spaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)_____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_________yet,butsomescientistsbelievethattheywillfinditsomemunicateuniverse

Scientiststhinkthattherehasbeenlife ontheearthforhundredsofmillionsof years.科学家认为地球上的生命已经有亿万年了。millionsof数百万hundredsof数百 thousandsof成千上万billionsof数十亿Languagepoints

e.g.Therearebillionsofstarsinthe Galaxy,andthesunisonlyoneofthem.银河系中有数十亿颗恒星，太阳只是其中的一个。However,