Many facts proved that long before Columbus America, Chinese had visited it.
A. noticed
B. uncovered
C. discovered
D. arrived
网友回答
A. noticed
B. uncovered
(答案→)C. discovered
D. arrived
解析：词义辨析。Notice注意；uncoverer揭露，揭掉盖子；discover发现，发觉；arrive到达。句意：许多事实证明，在很久以前哥伦布发现美洲前，中国人已经到过美洲了。故选C。