According to the conversation why wont DME be on the market soon?A.It hasn"t been adequat
已帮助 人
According to the conversation, why wont DME be on the market soon?
A.It hasn"t been adequately tested.
B.It"s expensive.
C.It damages car engines.
D.It"s dangerous to transport.
请帮忙给出正确答案和分析,谢谢!
-
正确答案:B
细节题。DME不会很快取代柴油,因为它的生产费用昂贵,expensive是noteconomical“不经济的,不节俭的”的同义替换,所以选择B项。其他选项纯属无中生有。
