,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,必修,3,必修3,Listening,Unit 4,Astronomy:,the science of the stars,注,:,另附,word,文档。,点击此处链接,ListeningUnit 4 注:另附 word 文档。,Listen to,Part 1,.,Using Language,THEORIES OF GRAVITY,Michael Jones of the New Space Magazine is talking with space traveller Li Yanping about changes in the theory of gravity.,LY=Dr Li Yanping,MJ=Michael Jones,Listen to Part 1.Using Languag,MJ:,Hello,Dr Li Yanping.Its so good of,you to talk 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.,students,earth,explain,centre,wrong,apple,MJ:Hello,Dr Li Yanping.Its,fall 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 couldnt fall back to the,earth.Youre just too far _.,pulling,accept,objects,smaller,deep,away,fall to the ground.He,Listen to Part 2.,Listen 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 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.,gravity,closer,towards,pass,usual,MJ:Does it mean theres no _,MJ:,How do you know this?,LY:,In _ Einstein said that in space large,objects make space-time bend;the,larger the object,the _ space-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,1905,further,slower,black,mass,from,MJ:How do you know this?1905f,around this mass.If you cross over this edge,its _ for you to get back.However if you 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.,impossible,escape,research,well,around this mass.If you,Workbook-Listening,Listen to Part 1.,AN INTERVIEW WITH YANG LIWEI,R=Mr Renault,Y=Yang Liwei,Workbook-ListeningListen to Pa,R:,Thank you so much,Mr Yang,for,coming to talk to us today 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 China,Listen again and fill in the blanks.,experience,happy,exciting,lift,way,R:Thank you so much,Mr Yang,would become the _ country to send,people into space.,R:,Did you feel _?,Y:,No,because I was _ not to worry.,So I watched all my instruments and,stayed _.,R:,What surprised you?,Y:,The _ of space.Id never realized,how lovely the earth looks till I was,going round it.,third,afraid,trained,calm,beauty,would become the _ co,Listen to Part 2.,Listen to Part 2.,R:,Did you always want to be an astronaut?,Y:,Well,I _ of it when I was young,but I never thought my wish would,come true.It all happened _.,First I got my _ and then I trained,for _ years to fly airplanes and then to,fly a _.,Listen again and fill in the blanks.,dreamed,gradually,degree,ten,spaceship,R:Did you always want to be a,R:,I see.Did you have to be a _ size,and weight?,Y:,Yes.An astronaut has to be smaller,than _ cm and weigh less than _ kg.,R:,So you were the perfect _!But of,course you had to work very hard.,Would you like to go into space _?,certain,170,70,choice,again,R:I see.Did you have to be a,Y:,Yes,I would if there was an _.,Id love to go to the _ one day.,R:,I hope well be talking to you again,after youve _ that trip!Goodbye,Mr Yang.Thank you for _ to us.,Y:,It was my pleasure.,opportunity,moon,finished,talking,Y:Yes,I would if there was a,Listen to the text.,Workbook-Listening Task,AN INTERVIEW WITH LI YANPING,W=Wallis,L=Li Yanping,Listen to the text.Workbook-Li,W:,Mr Li,would you please tell us about,your space _?,L:,Yes.Id be happy to.We cleaned and,_ the Hubble telescope.,W:,Oh,and is that _ you did your space walk?,L:,Yes.,W:,How did you _ for it?,Listen again and fill in the blanks.,walk,repaired,when,prepare,W:Mr Li,would you please tel,L:,First we had to get into spacesuits.,Theyre very _ and carry all the,oxygen we need to _.The suit,also has hot and cold _ so it can,warm us if its too cold or cool us if its,too _.So its very heavy.,W:,Is it _ to leave the spaceship?,thick,breathe,water,hot,dangerous,L:First we had to get into sp,L:,Yes,indeed.When we _,we go,into a small room.We have to wear,gravity _ to walk there.We close,the door behind us and then we open,the door to _.Then our gravity,boots stop working