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  3. Scientists believe that by raising atmospheric pressure and surface temperature, it is possible to transform the climate of Mars

Scientists believe that by raising atmospheric pressure and surface temperature, it is possible to transform the climate of Mars

admin2013-11-20  54
问题 Scientists believe that by raising atmospheric pressure and surface temperature, it is possible to transform the climate of Mars to the point where humans would be able to live there. The process by which a hostile or unsuitable environment is transformed into one that can sustain human life is called terraforming. In addition to potentially providing an alternate home for the people of Earth in the future, this undertaking may also allow scientists to test hypotheses about the process of global warming, which is a highly pertinent issue affecting our planet today.
The passage addresses which of the following consequences of terraforming?
选项 A、The creation of a more hospitable planet.
B、The risk of overpopulation.
C、The elimination of suitable environments.
D、The depletion of the atmosphere.
E、The production of greenhouse gases.
答案A
解析 The best answer is A. According to the passage, terraforming turns hostile environments into hospitable ones by creating environments that can sustain human life.
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本试题收录于： GRE VERBAL题库GRE分类
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