全全廬 全 AA人LVSDLU 2
Scientific discovery can take Various forms. One ofthem is “serendipity,” the Juck offinding vaJuaplje
thingSs unintentionally. Serendipity was at Work when Alexander Fleming discovered penicijlin, fhe
antlbliotic miracle.
Fleming had long been known for having an untidy ]aboratory. One morning jm 1928, 了is _16_proved
Very fortunate. It Was his first day coming back to Work afteralong Vacation. Before the yacation,hce _47 _悶
the Sink anumber ofpetri dishes in which he had been growing bacteria. While he was sorting trougfh 和he
long __18 dishes of germs that morning, he observed that some ofthe dishes were contaminated wi也a
fungus, Which had ruined his experiment. He was about to _19 the dishes, but he noticed that 同 one
dish'_the bacteria had failed to grow in the area around the funeus. This accidentaJ finding gave rise fo
subsedueht researeh that led to the disceovery ofpenicillin一a drug that has since saved m記ions of Jiyes.
Chanee _20_, however may not be enough to make key discoveries Jike this. The scienftist musf
and open mind to detect the importance of the unforeseen incident and tfo use
have a prepared
constructively. (B) opinion (C) seandal (D) disorder 及
0之16. (6) me明 人和 (C) was piling (D) might have piled 生
贍 17. (A) 和 e 0 (C) unattended (D) misunderstood
〔.18.(A) disable 主 (C) eateh up (D)eany on
19. (A) toss out (C) above (Dbxahead
(B) alike
292 ,,歸過填(古10分)
