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  3. According to the conversation, why won’t DME be on the market soon?

According to the conversation, why won’t DME be on the market soon?

admin2015-03-11  92
问题 According to the conversation, why won’t DME be on the market soon?
选项 A、It hasn’t been adequately tested.
B、It’s expensive.
C、It damages car engines.
D、It’s dangerous to transport.
答案B
解析 细节题。DME不会很快取代柴油，因为它的生产费用昂贵，expensive是not economical“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。
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