新概念英语第二册Lesson61课 ppt课件.ppt

《新概念英语第二册Lesson61课 ppt课件.ppt》由会员分享，可在线阅读，更多相关《新概念英语第二册Lesson61课 ppt课件.ppt（37页珍藏版）》请在三一办公上搜索。

1、Hubble,ast,astronaut,Lesson 61,Trouble with the Hubble,是以天文学家哈勃为名，在轨道上环绕著地球的望远镜。他的位置在地球的大气层之上，因此获得了地基望远镜所没有的好处影像不会受到大气湍流的扰动，还能观测会被臭氧层吸收的紫外线。于1990年发射之后，已经成为天文史上最重要的仪器。他已经填补了地面观测的缺口，帮助天文学家解决了许多根本上的问题，对天文物理有更多的认识。从他于1946年的原始构想开始，直到发射为止，建造太空望远镜的计划不断的被延迟和受到预算问题的困扰。在他发射之后，立即发现主镜有球面像差，严重的降低了望远镜的观测能力。幸好在199

2、3年的维修任务之后，望远镜恢复了计划中的品质，并且成为天文学研究和推展公共关系最重要的工具。,哈勃太空望远镜,Words and expressions,Hubble shuttletelescope Endeavourlaunch robot-armspace grabNASA atmospherebillion distantfaulty galaxy astronaut universeeagle eye,What is this?,universe,Are we alone(孤单的)in the universe?,in the universe=in space,What can w

3、e see in space?,The Hubble telescope,n.望远镜 v.缩短，压缩tele-远程，远距离的television 电视 telephone 电话,telescope,Where is the Hubble?,It is above the earths_.,atmosphere,above=outside,Guess:How much does it cost?,It costs over a billion dollars.,over=more than,Who launched the Hubble telescope into space?,It was

4、launched into space by NASA,？,He is the director(局长)of NASA.,What will we do if the Hubble telescope is broken?,Who can repair it?,astronaut,How can the astronauts get to the Hubble?,The shuttle Endeavour will take the astronauts to the Hubble.,endeavour,v.奋力，努力 endeavour to do=try to do 竭尽全力做n.尝试，努

5、力 best endeavours 尽最大的努力他总是竭尽全力帮助他人。He always edeavours to help others.,What is this?,galaxy,The galaxy is very _from us.,distant,distant,遥远的，远方的;远亲的;冷淡的the distant sound a distant cousin 一位远房（表）堂亲distance n.距离in the distance 在远处keep your distance 保持距离,grab v.抓，抓住，抓住（机会）,grab sth from sb 从某人手里抢来某物 g

6、rab a chance 抓住机会 Grab your chance to travel while youre still young,at a cost of 造价为at all costs 无论如何，不惜任何代价她不惜任何代价都要送他的女儿去美国读书。She sent her daughter to America to study at all costs.,cost,pay/spend/cost/take,pay构成：sb pay+(money)+for sth pay for sth付钱、pay for sb 替某人付钱I paid 200 yuan for the new bik

7、e yesterday.spend构成：sb spend+money+on sth sb spend+time+（in）doing sth,cost（主语是物或it）构成：sth+cost+（sb）+moneyThe book cost me 20 yuan.take 构成：it takes sb+time+to doIt took me 5 hours to finish my homework.,practise,I _ 3 hours doing the maths problemA new computer_ a lot of money.Repairing this new car

8、_ the whole afternoon.It _ me 4 years to finish the book.I have to _ them 20 yuan for this skirt.,trouble,ask for troubleget into troubleget out of troublemake trouble,自讨苦吃陷入困境脱离不幸（困境）闹事，捣乱,v.使失望，对失信 disappointing 令人失望的 disappointed 失望的 be disappointed in a person/thing 对某人或某事失望,disappoint,send inse

9、nd upsend outsend for,递交，送来发射，发出派遣派人去叫,send,Questions on the text,When was the Hubble telescope launched into space?What were the pictures it sent us like?3.What will the four astronauts from the shuttle Endeavour doing?4.What will the pictures from the Hubble tell us?,Text,The Hubble telescope was

10、launched into space by NASA on April 20,1990 at a cost of over a billion dollars.,hundreds,thousands,millions,billions+of,Right from the start there was trouble with the Hubble.The pictures it sent us were very disappointing because its main mirror was faulty!,1.right from the start=from the very st

11、art/beginning,2.There is trouble with sth There was trouble with the computer.,3.faulty adj.fault n.a faulty answer/a faulty decision,4.disappointing adj.,disappointed adj.She was disappointed at what he said.,NASA is now going to put the telescope right,so it will soon be sending up four astronauts

12、 to repair it.,1.put sth right,Have you put the watch right?Remember to put the lights right tomorrow.,2.astronaut n.=spaceman,The shuttle Endeavour will be taking the astronauts to the Hubble.A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary

13、repairs.Of course,the Hubble is above the earths atmosphere,so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.,The Hubble will tell us a great deal about the age and size of the universe.By the time you read this,the Hubbles eagle eye will h

14、ave sent us thousands and thousands of wonderful pictures.,a great deal 大量/许多a great deal of+不可数名词by the time+句子：截止到,Blank Filling:,The Hubble telescope _into space by NASA on April 20,1990,at a cost of over a billion dollars.Right from the start there _trouble with the Hubble.The pictures it_us_ver

15、y disappointing because its main mirror _faulty!NASA now _put the telescope right,so it will soon _four astronauts to repair it.The shuttle Endeavour _the astronauts to the Hubble.A robot-arm from the Endeavour _the telescope and _it while the astronauts _ the necessary repairs.Of course,the Hubble

16、_above the earth atmosphere,so it will soon _us the clearest pictures of stars and distant galaxies that we have ever_.The Hubble _us a great deal about the age and size of the universe.By the time you _this,the Hubbles eagle eye _us thousands and thousands of wonderful pictures.,was launched,was,se

17、nt,were,was,is going to put,be sending up,will be taking,grab,hold,make,is,be sending,seen,will tell,read,will have sent,在时间状语从句中的现在完成式,在现在时间的句子里,可用现在时表示将来.这里的现在时是一个广义的时间,它在实际上包括现在完成时,它们的道理是相通的.,When he has finished this project(工程),I will arrived in UK for another project.,当他完成这项工程的时候，我就会到英国去商议另一项工程,If he has started on his way here,I will wait another hour.,如果他已经起程来这里了，我就再等一个小时,Thank you!,