GRE Text Completion Question 1709
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Source: CQ
Like several other important advances in medicine, penicillin was a somewhat (i)_____ discovery resulting from (ii)_____ combination of blind chance and technical expertise.
| Blank(i) | Blank(ii) |
|---|---|
| A progressive | D a favorable |
| B untimely | E an unlucky |
| C accidental | F a reliable |