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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  75
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.
Which of the following can be inferred from the passage regarding the Martian atmosphere?
选项 A、It has a lower pressure than Earth’s atmosphere.
B、It has a higher surface temperature than Earth.
C、It can most certainly be transformed to be more like Earth’s atmosphere.
答案A
解析 The best answer is A. According to the passage, it would be necessary to raise the atmospheric pressure of Mars to make it possible for humans to live there, or in other words, to make it like Earth’s.
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