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考試類型: Writing > Identifying Sentence Errors
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.?
When, in 1864, a factory established by Alfred Nobel to manufacture nitroglycerin blew up, the scientist discovered that the explosive was as ------- as it was powerful, ------- to detonate without warning.
A. A
B. B
C. C
D. D
E. E
