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Chang'e 3 is a lunar(月球的) exploration mission operated by the China National Space Administration (CNSA), incorporating a robotic lander and China's first lunar rover.
The spacecraft was named after Chang'e, the goddess of the Moon, and is a follow-up to the Chang'e 1 and Chang'e 2 lunar orbiters. The rover was named Yutu following an online poll, after the mythological rabbit that lives on the Moon as a pet of the Moon goddess.
Chang'e 3 achieved lunar orbit on 6 December 2013 and landed on 14 December 2013, becoming the first probe to soft-land on the Moon since Luna 24 in 1976.
In January 2004, the People's Republic of China's lunar orbiter project was formally established. The first Chinese lunar orbiter, Chang'e 1, was launched from Xichang Satellite Launch Center on 24 October 2007 and entered lunar orbit on 5 November. The spacecraft operated until 1 March 2009, when it was intentionally impacted into the surface of the Moon. Data gathered by Chang'e 1 were used to create an accurate 3-D map of the entire lunar surface, assisting site selection for the Chang'e 3 lander.
Chang'e 1's successor, Chang'e 2, was approved on October 2008 and was launched on 1 October 2010 to conduct research from a 100-km-high lunar orbit, in preparation for Chang'e 3's 2013 soft landing. Chang'e 2, though similar in design to Chang'e 1, was equipped with improved instruments and provided higher-resolution imagery of the lunar surface to assist in the planning of the Chang'e 3 mission.
In March 2012, China began manufacturing the body and payload of the Chang'e 3 lander, which will attempt to perform lunar surface and space studies independently of the mission's mobile rover.
Like its orbiting predecessors, the Chang'e 3 mission is planned as a precursor(先驱)to further robotic lunar exploration missions, including Chang'e 5, a sample return mission planned for 2017. Following these automated missions, a manned landing may be conducted around 2025.
Chang'e 3 will attempt to perform the first direct measurement of the structure and depth of the lunar soil down to a depth of 30 m (98 ft), and investigate the lunar crust(壳) structure down to several hundred meters deep.
The development of the six-wheeled rover began in 2002 and was completed in May 2010. It has a total mass of approximately 120 kg, with a payload capacity of approximately 20 kg. It can perform simple analysis of soil samples and may transmit video in real time. It can navigate inclines(斜坡) and has automatic sensors to prevent it from colliding(碰撞) with other objects.
The rover was successfully deployed from the lander, and it made contact with the lunar surface on 14 December. After taking pictures of each other the lander and rover will start their respective science missions. The rover is designed to explore an area of 3 square kilometres during its 3-month mission, with a maximum travelling distance of 10 km.
Title: Chang’e 3 | ||
__1.__ | It is a lunar exploration mission operated by CNSA, incorporating a robotic lander and China's first lunar rover. | |
Name Source | It was named after the goddess of the Moon, __2.__ up the names of Chang'e 1 and Chang'e 2. | |
The History of China’s Lunar Exploration Program | The program | In January 2004,it was formally established. |
Chang'e 1 | On 24 October 2007, it was launched and entered lunar orbit on 5 November. | |
On 1 March 2009, it was impacted into the surface of the Moon on purpose. | ||
To help select a proper __3.__for Chang’e 3 lander, data about the entire lunar surface were gathered. | ||
Chang’e 2 | On October 2008, it was approved and launched __4.__ years later. | |
Its mission was to conduct research for Chang’e 3 soft landing. | ||
Although __5.__designed, it was better equipped than Chang’e 1. | ||
Chang’e 3 | Started in March 2012, it achieved lunar orbit on 6 December 2013 and landed 8 days later, becoming the __6.__ probe to soft-land on the Moon since Luna 24 in 1976. | |
The objectives are to measure the structure and depth of lunar soil and investigate the lunar crust to a great __7.__. | ||
Chang’e 5 | A sample return mission planned for 2017. | |
Around 2025 | A manned landing may be conducted. | |
Information about the rover | It was began in 2002 and completed in 2010, __8.__ about 120 kg with a payload capacity of 20 kg or so. It has many __9.__, from analyzing soil samples to protecting itself. After the first __10.__ with the moon on 14 December, it will stay on the moon for 3 months, exploring an area of 3 square km and travelling a maximum distance of 10 km. | |
科目:高中英语 来源:2014年普通高等学校招生全国统一考试高考押题卷英语试卷一(解析版) 题型:单项填空
Though she didn't come back to her hometown for many years,she could still________some scenes of childhood.
A.bring up B.call up C.turn up D.make up
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I prefer to deal with big companies because their service and reputation are better than ________ of small ones.
A.that B.those
C.ones D.one
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With the word "PM2.5"______ heard and seen in our life, people become more and more concerned about air pollution.
A. constantly B. occasionallyC. consequently D. contemporarily
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— I watched the film you mentioned. Isn’t it cool?
— ______. It can’t be ______.
A. Exactly; worse B. Frankly; better C. Definitely; worse D. Absolutely; better
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科目:高中英语 来源:2014届江苏省常州市高三第一学期期末考试英语试卷(解析版) 题型:完型填空
Starting a new book is a risk, just like falling in love. You have to ____ to it. You open the pages knowing a little bit about it, maybe from the back or from a blurb(宣传信息)on the front. But who ____, right? Those bits and pieces aren’t always right.
Sometimes people ____ themselves as one thing and then when you get deep into it you realize that they’re something completely different. Either there was some good marketing ____ to a terrible book, or the story was only explained in a(n) ____ way and once you reach the middle of the book, you realize there’s so much more to this book than anyone could ever have told you.
You start off slow. The story is beginning to ____. You’re unsure. It’s a big commitment reading this tome(巨著). Maybe this book won’t be that great but you’ll feel ____ about putting it down. Maybe it’ll be so awful you’ll set it down immediately and never pick it up again. Or maybe you’ll come back to it some night, drunk or lonely—needing something to ____ the time, but it won’t be any better than it was when you first started reading it.
Maybe you’re ____. You’ve read tons of books before. Maybe you’ve taken some time off from reading because the last few books you read just weren’t ____ it. Do they even write new, great works of literature anymore? Maybe it’s a once in a lifetime feeling and you’re never going to find it again.
Or something ____ could happen. Maybe this will become your new favorite book. There’s always a possibility, right? That’s the ____ of risk. You ____ your time and your brain power in the words and what you get back is a new understanding and pure wonder.
How could someone possibly know you like this? Some stranger, some author, some character. It’s like they’re seeing inside your ____. This book existed inside some book store, on a shelf, maybe handled by other people and really it was just ____ for you to pick it up. It was waiting to speak to you. To say, “You are not ____.”
You just want more of the story. You want to keep reading, maybe everything this author has ever ____. You wish it would never end. The closer it gets to the smaller side of the pages, the ____ you read, wanting to savor(品味) it all. This book is now one of your favorites forever. You will always wish you could go back to ____ having read it and pick it up fresh again, but also you know you’re better for having this close, inside you, ____ your heart and mind.
Reading a book is just like falling in love. Once you get in deep enough, you know you could never put this book down.
1.A. contribute B. commitC. subscribe D. react
2.A. tellsB. caresC. writesD. knows
3.A. advertiseB. believeC. behaveD. mistake
4.A. attached B. comparedC. usedD. related
5.A. artificialB. superficialC. theoreticalD. confidential
6.A. repeatB. changeC. conflictD. unfold
7.A. worried B. contentC. guiltyD. serious
8.A. fill B. spareC. saveD. take
9.A. worn outB. run outC. given outD. made out
10.A. likeB. worthC. beyondD. beneath
11.A. excitingB. familiarC. rareD. tough
12.A. price B. beautyC. dangerD. style
13.A. balanceB. wasteC. harvestD. invest
14.A. soulB. bookC. bodyD. eyes
15.A. askingB. lookingC. standingD. waiting
16.A. aloneB. yourselfC. busy D. crazy
17.A. devotedB. agreedC. writtenD. enjoyed
18.A. slowerB. fasterC. moreD. less
19.A. alwaysB. everC. onceD. never
20.A. coveringB. breakingC. separatingD. blocking
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— Tom seems not so enthusiastic as he was two years ago.
— Yes. He’s really reached a point in his career ______ he has to decide what to do next.
A. thatB. when C. whereD. which
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科目:高中英语 来源:2013-2014学年黑龙江省高三下学期第一次高考模拟英语试卷(解析版) 题型:阅读理解
“Cleverness is a gift while kindness is a choice. Gifts are easy – they’re given after all. Choices can be hard.” –– Jeff Bezos.
I got the idea to start Amazon 16 years ago. I came across the fact that the Internet usage was growing at 2,300 percent per year. I’d never seen or heard of anything that grew that fast, and the idea of building an online bookstore with millions of titles was very exciting to me. I had just turned 30 years old, and I’d been married for a year. I told my wife MacKenzie that I wanted to quit my job and go to do this crazy thing that probably wouldn’t work since most start-ups don’t, and I wasn’t sure what to expect. MacKenzie told me I should go for it. As a young boy, I’d been a garage inventor. I’d always wanted to be an inventor, and she wanted me to follow my passion.
I was working at a financial firm in New York City with a bunch of very smart people, and I had a brilliant boss that I much admired. I went to my boss and told him I wanted to start a company selling books on the Internet. He took me on a long walk in Central Park, listened carefully to me, and finally said, “That sounds like a really good idea, but it would be an even better idea for someone who didn’t already have a good job.” That logic made some sense to me, and he convinced me to think about it for 48 hours before making a final decision. Seen in that light, it really was a difficult choice, but ultimately (最后), I decided I had to give it a shot. I didn’t think I’d regret trying and failing. And I suspected I would always be haunted by a decision to not try at all.
After much consideration, I took the less safe path to follow my passion, and I’m proud of that choice. For all of us, in the end, we are our choices.
1.What inspired the author with the idea of building an online bookstore?
A. His dream of being an inventor.
B. The support of his wife.
C. The greatly increasing usage of the Internet.
D. Millions of exciting titles.
2.Which of the following is closest in meaning to the underlined sentence?
A. The idea of not trying would keep coming to his mind and disturb him.
B. He would be very excited if he tried it out.
C. He would be always having a doubt if he didn’t try.
D. The decision to not try the online bookstore would terrify him.
3.We can know from the passage that _______.
A. the boss thought the idea was suitable for the author
B. the author wanted someone else to try the idea
C. the author might not regret if he failed the idea
D. the author might go back to his boss if he failed
4.Which of the following would be the best title for the passage?
A. Cleverness and KindnessB. The Starting of Amazon
C. Following My PassionD. We Are What We Choose
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科目:高中英语 来源:2013-2014学年高考阅读理解全程冲刺训练(18)英语试卷(解析版) 题型:阅读理解
In bringing up children, every parent watches eagerly the child's acquisition (学会) of each new skill m the first spoken words, the first independent steps, or the beginning of reading and writing. It is often tempting to hurry the child beyond his natural learning rate, but this can set up dangerous feelings of failure and states of worry in the child. This might happen at any stage. A baby might be forced to use a toilet too early, a young child might be encouraged to learn to read before he knows the meaning of the words he reads. On the other hand, though, if a child is left alone too much, or without any learning opportunities, he loses his natural enthusiasm for life and his desire to find out new things for himself.
Parents vary greatly in their degree of strictness towards their children. Some may be especially strict in money matters. Others are severe (严格的) over time of coming home at night or punctuality for meals. In general, the controls represent the needs of the parents and the values of the community as much as the child's own happiness.
As regards the development of moral standards in the growing child, consistency is very important in parental teaching. To forbid a thing one day and excuse it the next is no foundation for morality (道德). Also, parents should realize that "example is better than precept". If they are not sincere and do not practice what they preach (说教), their children may grow confused when they grow old enough to think for themselves, and realize they have been to some extent fooled.
A sudden awareness of a marked difference between their parents' principles and their morals can be a dangerous disappointment.
1.Eagerly watching the child’s acquisition of new skills, _________________.
A. should be avoided
B. is universal among parents
C. sets up dangerous states of worry in the child
D. will make the child lose interest in learning new things
2. In the process of children’s learning new skills, parents _________________.
A. should encourage them to read before they know the meaning of the words they read
B. should expect a lot of the children
C. should achieve a balance between pushing them too hard and leaving them on their own
D. should create as many learning opportunities as possible
3. The second paragraph mainly tells us that _________________.
A. parents should be strict with their children
B. parental controls reflect only the values of the community
C. parental restrictions vary, and are not always for the benefit of the children alone
D. it’s parents’ and society’s duty to control the children
4.The word “precept” in Paragraph 3 probably means “_________________”.
A. opinion B. punishment C. behavior D. instruction
5.In terms of moral matters, parents should _____________________.
A. follow the rules themselves
B. be aware of the huge difference between adults and children
C. forbid their children to follow hook teachings
D. always ensure the security of their children
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