概括大意与完成句子
1、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。