The improbable chain of events that leads Alexander Fleming 1.______ to discover penicillin in 1928 is the stuff which scient

admin2011-06-29  28

问题     The improbable chain of events that leads Alexander Fleming    1.______
to discover penicillin in 1928 is the stuff which scientific myths    2.______
are made. It was a discovery that would change the course of the
history, The active ingredient in that mold, which Fleming   
named penicillin, turned to be an infection-fighting agent of    3.______
enormous potency. When it was finally recognized as what it
was—the efficacious life-saving drug in the world—penicillin    4.______
would alter forever the treatment of bacterial infections. By the
middle of the century, Fleming’s discovery spawned a huge phar-    5.______
maceutical industry, churning out synthetic penicillin that would
conquer some of man-kind’s most ancient scourges, including
syphilis, gangrene, and tuberculosis.
    When he died a heart attack in 1955, he was mourned by    6.______
the world and buried as a national hero in the crypt of St. Paul’s
Cathedral in London. Although Fleming’s scientific work in and
of itself may not have reached great, his singular contribution    7.______
changed the practice of medicine. He deserves our utmost recog-
nition. At the same time, we must bear on mind that the    8.______
"Fleming Myth", as he called it, embodies the accomplishments
of many giants of anti-biotic development. Fleming is but a cho-
sen representative for the likes of Florey, Chain, Domagk, and
Waksman, many of who remain, sadly, virtual unknowns.    9.______
Their achievements have made the world a better, healthier
place. In commemorating Fleming, and we commemorate them    10.______
all.

选项

答案turned∧改成out。

解析 turn out to be是固定用法,意为“结果却是”。
转载请注明原文地址:https://kaotiyun.com/show/Ry6O777K
0

最新回复(0)