According to the passage, it is difficult to be certain about the distant future of the universe because we ______. For whom is

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问题 According to the passage, it is difficult to be certain about the distant future of the universe because we ______.
For whom is the author probably writing this passage?

选项 A、Train engineers.
B、General audiences.
C、Professors of statistics.
D、Young children.

答案B

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