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第16 至 20 題為題組      Scientific discovery can take various forms. One of them is “serendipity,” the luck of finding valuablethings unintentionally. Serendipity was at work when Alexander Fleming discovered penicillin, theantibiotic miracle. Fleming had long been known for having an untidy laboratory. One morning in 1928, this 16 provedvery fortunate. It was his first day coming back to work after a long vacation. Before the vacation, he 17 inthe sink a number of petri dishes in which he had been growing bacteria. While he was sorting through thelong 18 dishes of germs that morning, he observed that some of the dishes were contaminated with afungus, which had ruined his experiment. He was about to 19 the dishes, but he noticed that in onedish, the bacteria had failed to grow in the area around the fungus. This accidental finding gave rise tosubsequent research that led to the discovery of penicillin—a drug that has since saved millions of lives.        Chance 20 , however, may not be enough to make key discoveries like this. The scientist musthave a prepared and open mind to detect the importance of the unforeseen incident and to use itconstructively.
16.
(A) merit
(B) opinion
(C) scandal
(D) disorder

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