Why did people in the 19th century believe the existence of intelligent life on Mars? How is the 1996 discovery related to the

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问题 Why did people in the 19th century believe the existence of intelligent life on Mars?
How is the 1996 discovery related to the possible existence of organisms on Mars?

选项 A、The meteorite containing organic compounds is part of Mars.
B、A Martian rock struck Earth about 11,000 years ago.
C、The organisms came back to life after the collision with Earth.
D、The inhabiting organisms appeared more than three billion years ago.

答案A

解析 本题的依据句是文章的倒数第二个句子。B选项的意思与所提的问题不属于因果关系;C选项的意思与事实不相符合;D选项与文章的最后一个句子的意思有差别。本题的关键是用题干中的年代作为信号词,快读文章找到本题的依据句,然后两相对照就可以找出正确选项。
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