2008年6月大学英语六级AB卷答案(昂立版)

B)humans will be able to settle on Mars

C)alien life will likely be discovered

D)life will start to evolve on Mars

6.According to Princeton professor Richard Gott,by setting up a self-sufficient colony on Mars,

Humans_____.

Might survie allcatastrophes on earth

Might acquire ample natural resources

Will be able to travel to Mars freely

Will mo\ve there to live a better life

7.Ellen Heber-Katz, professor at the Wistar Institue in Philadelpia,predicts that_____.

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