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【填空答案】
extensive adj. 广泛的；大量的；广阔的
precedevt. 领先，在…之前；优于，高于 vi. 领先，在前面
crater n. 火山口；弹坑
telescopic adj. 望远镜的；[眼科] 远视的；套管式伸缩的；眼力好的；有先见之明的
rejected v. 拒绝，驳回（reject的过去分词形式）adj. 被拒的；不合格的
【听力原文】
Some of you may be familiar with the Apollo programs geological studies of the
moon during the 1960s. But you may not be aware of the extensive research
that preceded those studies. The work of two early researchers was very
important in determining the nature of the surface of the moon. Back in 1892, a
geologist named Carlos Gilbert was challenging the prevailing views about the
lunar surfaces. At that time most scientists thought the crater on the moon had
been created by volcanic action. Gilbert made some careful telescopic studies.
There were no spacecrafts back then, so telescopes were the best way to
observe the moon. It concluded that the lunar crater is so uniform that they had
to be the result of impact of falling bodies such as meteorites. I posted the
enlargements just some of the drawings on the board. If you compare them to
those in your text, you can see that his are amazingly accurate. Still, his
contemporaries rejected his work. 50 years later, a graduate student named
Wolf Baldwin reasserted Gilbert's species. He too met with resistance and he
left academics to run his family's machinery business. But he didn't give up his
research. He worked alone in his spare time, and eventually wrote an
influential book called "the face of the moon". A young geologist who read it
was so inspired that he persuaded NASA to incorporate geology into the Apollo
missions. Well, the Apollo missions eventually confirmed most of Baldwin's
ideas, which is astonishing, considering that he wasn't a professional scientist.
