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讲解词汇：atmosphere、billion、distant、grab、launch
2.重要词汇思维导图
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs.
Of course, the Hubble is above the earth's atmosphere, so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.
Of course, the Hubble is above the earth's atmosphere, so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.
3.重要短语讲解
1、The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
at a cost of … 造价为……，耗资，以……的价格/费用
He has just built a new house for his family at a cost of $10,000.
NASA = National Aeronautics and Space Administration
(美国)国家航空和宇宙航行局（单词縮写一般都是组织或者机构）
2、right from the start there was trouble with the Hubble.
right from the start 从最开始（right起强调作用）
He didn’t want to work at the firm (right) from the start.
trouble with… 关于……有麻烦
What's the trouble with you? 你有什么麻烦? (医生常这样问)
There is (engine) trouble with my car.
3、The pictures it sent us were very disappointing because its main mirror was faulty!
fault n. 错误 ； faulty adj. 有错误的
Sorry, it's my fault.
4、NASA is now going to put the telescope right, so it will soon be sending up four astronauts to repair it.
put sth. right 修好（故障等），校正，纠正
Remember to put the lights right tomorrow.
send up 往上送
5、A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs.
hold it 抓住它
6、The Hubble will tell us a great deal about the age and size of the universe.
a great deal 大量
a great deal of… 大量的……
7、By the time you read this, the Hubble's eagle eye will have sent us thousands and thousands of wonderful pictures.
by the time 到那时
engle eye 鹰眼，锐利目光
His father’s eagle eye is always on him.
thousands and thousands of 成千上万的
There are hundreds of thousands/thousands and thousands of cars in this city.
4.优选试题
一、填空题
1.The burning of fossil fuels results in the pollution of the ____ (大气).
2.India and China are only countries with a population of over one ___(10亿).
二、选择题
1.The manager decided to ___ a sales campaign of the products in order to regain the market share.
A. introduce B. launch C. lunch D. relieve
2.The blind girl paid the driver and then using her hands to ___ the seats,settled in one of them.
A. count B. feel C. grab D. touch
3.It snows all year around in that ___ little village.
A. a far B. distance C. distant D. far away
4.The ___ of brain cells are interconnected in a vastly complicated network that we can't begin to interrupt as yet.
A. any billions B. billionC. many billions of D. much billions
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