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  3. Researchers at the Shimizu Institute in Japan believe it is possible to terrafor

Researchers at the Shimizu Institute in Japan believe it is possible to terrafor

游客2025-02-21  48
问题 Researchers at the Shimizu Institute in Japan believe it is possible to terraform Mars by making use of the planet’s own resources and by introducing genetically altered life from Earth. They hope these actions will speed up the terraforming process, not just by adapting Mars to support Earth-life, but also by adapting Earth-life to exist on Mars. These experts think they can use the Martian geology itself to jump-start the planet. The theory is that detonation of thermonuclear devices deep in the Martian mountains will trigger eruptions of hot magma that would melt the frozen atmosphere, thereby releasing the components necessary for life. [br] Which of the following, if true, would most weaken the experts’ theory as explained in the last two sentences?
选项 A、Martian mountains are well-situated and easily accessible by remote mobility devices.
B、Similar eruptions of magma on Earth have demonstrated the ability to enable life in hostile underwater environments.
C、Mars’ frozen atmosphere lacks the critical components necessary for life.
D、Even if scientists could terraform Mars, the planet would eventually have all the same problems as Earth.
E、Thermonuclear devices would be very dangerous to send to Mars.
答案 C
解析 The best answer is C. According to the passage, detonation of the thermonuclear devices would release specific components found in the atmosphere, and life on Mars would be possible. If those components were not in the atmosphere to begin with, they could not be released and life could not result.
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