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1.【完成句子】Sagan was noted for the vigour of his logic style, especially when criticizing some piece of pseudoscience(伪科学). I remembered a 1973 AAAS meeting at which he destroyed the theories of Immanuel Velikovsky, who was maintaining that only a few thousands of years ago, Venus had repeatedly collided with Earth and Mars; events well noted. Velikovsky said, in the bible.

In Sagan's opinion, Velikovsky might be__________.

A.a member of the National Academy of Science

B.a pseudo-scientist

C.a science populariser

D.a reporter

【正确答案】B

【答案解析】从这段文字中,我们可以了解到作者认为,Sagan与伪科学作斗争的一个实例就是Sagan摧毁了Velikovsky的错误论述,即Velikovsky提出,在过去几千年中,水星与地球和火星反复多次相撞,这在圣经中有加载。

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