2005年6月六级英语考试模拟试题（四）

      limits, we should be able to work our way through to all our answers, if

      we keep at it long enough, and pay attention.

      21. According to the author, really good science . A. would surprise the

      brightest minds of the 18th century Enlightenment B. will produce results

      which cannot be foreseen C. will help people to make the right choice in

      advanceD. will bring about disturbing results

      22. It can be inferred from the passage that scientists of the 18th