2008年6月大学英语六级AB卷答案(昂立版)

He adds:”There is even a chance we will find alien life forms here on Earth.It mightbe as different as English is to Chinese.

Priceton professor Freeman Dyson thinks it “likely” that life form outer space will be discovered defore 2056 because the tools for finding it, such as optical and radio detection and data processing,are improving.

He ays:”As soon as the first evidence is found,we will know what to look for and additional discoveries are likely to follow quickly.Such discoveries are likely to have revolutionary consequences for biology, astronomy and philosophy. They may change the way we look at ourselves and our place in the universe.

Colonies in space

Richard Gottprofessor of astrophysics at Princeton,hopes man will set up a self-sufficient colony on Mars,which would be a “life insurance policy against whatever catastrophes,natural or otherwise,might occur on Earth.

“The real space race is whether we will colonise off Earth on to other worlds before money for the space programme runs out.”

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