浙江省杭州市塘栖中学高中英语必修三教学课件:U4P5 LISTENING EXERCISE.ppt
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- 浙江省杭州市塘栖中学高中英语必修三教学课件:U4P5 LISTENING EXERCISE 浙江省 杭州市 中学 高中英语 必修 三教 课件 U4P5
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1、必修3Unit 4 Astronomy:the science of the stars注:另附 word 文档。点击此处链接Listen to Part 1.THEORIES OF GRAVITYMichael Jones of the New Space Magazine is talking with space traveller Li Yanpingabout changes in the theory of gravity.LY=Dr Li YanpingMJ=Michael JonesMJ:Hello,Dr Li Yanping.Its so good of you to tal
2、k to me.Some _ ask us why things always fall back to _ if you throw them up in the air.Could you _ it?LY:Well,at first people thought it was because the earth was the _ of the universe.Of course that was _.One day Isaac Newton watched an _Listen again and fill in the blanks.studentsearthexplaincentr
3、ewrongapplefall to the ground.He said that something else must be _ the apple back to earth.He called it“gravity”.MJ:I see.Did people _ his idea?LY:They did.Later they worked out that bigger _(like the sun)have stronger gravity than _ objects (like our planets).If youre travelling in _ space,you cou
4、ldnt fall back to the earth.Youre just too far _.pullingacceptobjectssmallerdeepawayListen to Part 2.MJ:Does it mean theres no _ in space?LY:No.In a spaceship you would feel the pull as it got _ to such an object.You would travel faster and faster _ it.MJ:Until you hit it?LY:Not exactly.You may _ it
5、 very fast and then it would throw you out into space again.After that you would slow down to the _ speed.Listen again and fill in the blanks.gravityclosertowardspassusualMJ:How do you know this?LY:In _ Einstein said that in space large objects make space-time bend;the larger the object,the _ space-
6、time bends.So time goes _ in very strong gravity.MJ:What about _ holes?LY:Thats a place in space which has such a strong _ that nothing can escape _ its gravity.There is a kind of edge 1905furtherslowerblackmassfrom around this mass.If you cross over this edge,its _ for you to get back.However if yo
7、u dont cross this edge,you can still _.Stephen Hawking has done a lot of _ into black holes.He has shown that they“spit”things out as _ as“eat”them.impossibleescaperesearchwellListen to Part 1.AN INTERVIEW WITH YANG LIWEIR=Mr Renault Y=Yang LiweiR:Thank you so much,Mr Yang,for coming to talk to us t
8、oday about your _ in space.Y:Not at all.Im _ to be here.R:Please can you tell us your most _ moment?Y:Well,that was when the spaceship began to _ off the ground.Then I knew that I was really on my _ and that ChinaListen again and fill in the blanks.experiencehappyexcitingliftway would become the _ c
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