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Humans: It's time to abandon Earth or Race Extinction.

It could be the plot of a summer blockbuster (巨片),but this prediction isn't science fiction. It's a glimpse of the future ,according to famous British scientist Stephen Hawking.

“I see great dangers for the human race,” he said in an interview with global forum Big Think. ‘‘There have been a number of times in the past when its survival has been a question of touch and go. ”

“I believe that the long-term future of the human race must be in space”,he said. “It will be difficult enough to avoid disasters on planet Earth in the next hundred years ,let alone the next thousand, or million. ”

Hawking ,who was awarded the Presidential Medal of Freedom last year, has recently voiced many concerns about the future of life on Earth.

"If aliens visited us ,the outcome would be as much as when Columbus landed in America, which didn't turn out well for the Native Americans,” he said. “Such advanced aliens would perhaps become nomads (游牧者),looking to conquer and colonize whatever planets they can reach. ”

But Hawking says he's still hopeful for the future of humanity. He told Big Think. "We've made remarkable progress in the last hundred years. But if we want to continue beyond the next hundred years ,our future is in space.”

Getting to another planet will prove a challenge ,not to mention colonizing it for humanity. Katherine Freese from University of Michigan told Big Think that “the nearest star to Earth is Proxima Centauri which is 4. 2 light years away. That means ,if you were traveling at the speed of light the whole time, it would take 4. 2 years to get there —or about 50,000 years using current rocket science.”

60. Humans are advised to abandon Earth mainly because _____.

A. aliens will take up our home planet soon  B. many disasters will happen on the Earth

C. resources will be used up in the future   D. humans need larger space to live in

61. Thinking about the future of humans, Hawking feels that _____.

A. humans will probably become extinct   

B. aliens are the biggest future threat to humans

C. other planets are ready for humans to reach 

D. the earth will not be habitable for humans

62. What is the writer's key point in the last paragraph?

A. It is impossible to get to another planet in space.

B. The present means of transport are not advanced at all.

C. The near future can't see human's move to another planet.

D. The planet Proxima Centauri is the closest to the earth.

63. This passage is most probably taken from _____

A. a conference interview           B. a science fiction

C.  a forum report          D. a history book

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                         The Zhoukoudian Beijing Man Site is one of the most important world heritage sites in China.Since the discovery, which changed China’s knowledge of its history, was made in the 1920s, Zhoukoudian has become an important place for archaeologists from all over the world.At the site in the south-west suburb of Beijing, there is, for example, the earliest evidence of the use of fire by humans.It has also been proved that people lived there continuously between 500,000 and 10,000 years ago.
Today, however, Zhoukoudian is in serious danger.Parts of the cave have been badly affected by rain and exposure to the air.Some areas are almost completely covered in weeds, causing serious damage.Pollution from nearby cement factories has also contributed to the problem.
The site is extremely expensive to maintain and it will cost between three and five million yuan to repair it.At the moment, visitors are not allowed to visit the caves.
Zhoukoudian is on the World Cultural Heritage List, organized by UNESCO, the United Nations Educational, Scientific and Cultural Organization.The list is constantly checked.Any site which is seriously damaged or which is not properly protected is an endangered heritage, and UNESCO is very quick to do something about situations like this.They have recommended that the site be closed and repaired.If nothing is done to repair it, it could be removed from the list.
This is a very serious matter and the Chinese Academy of Sciences is trying to raise public awareness about it.They have suggested that the general public be encouraged to help with the problem.A professor at the Academy has proposed that a fund be established to raise money.
Dr Zhu Ming of the Academy said, “ We have requested that the government get involved, but we also need assistance from ordinary people.They can help by contributing to the cost of repairing the caves.They are a precious part of our cultural heritage—it is of vital importance that we do something.If not, it will be a catastrophe.”
【小題1】Why is Zhoukoudian of great importance in China?

A.Because the site tells some information about how man lived in the old times.
B.Because it has brought in lots of money as a place of interest.[來源:學&科&網]
C.Because it is the only place in China on the World Cultural Heritage List.
D.Because it changed our knowledge of China’s history of the 1920’s.
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C.Zhoukoudian’s in dangerD.Zhoukoudian’s protection
【小題3】The following has caused the damage of the site except________________.
A.WeedsB.RainC.FireD.Cement factories
【小題4】The passage suggests that to repair Zhoukoudian, Chinese Academy of Sciences is seeking help from_________.
A.Archaeologists from all over the world
B.Government and the public
C.Experts from UNESCO
D.Visitors
【小題5】Which of the following can replace the underlined word “catastrophe”?
A.caseB.worryC.wonderD.disaster

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Oscar-winning director Ang Lee’s new epic “Life of Pi” reveals the relationship between a teenage Indian boy and a Bengal tiger. But in reality, the predators(食肉動物) are under increasing threat from humans. Animal rights group PETA is hoping to use the popularity of the film to focus people’s attention on the real life of Bengal tigers.

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