考试类型: 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