阿摩線上測驗
7. The lowest temperature at which a liquid will give off sufficient vapors to form a __________
mixture with air is known as the flash point.
(A) flammable
(B) poisonous
(C) corrosive
(D) explosive
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統計： A(401), B(38), C(29), D(124), E(0) #3155813
統計： A(401), B(38), C(29), D(124), E(0) #3155813
