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A、The problems of environment pollution.B、A material which can save fuel.C、The
A、The problems of environment pollution.B、A material which can save fuel.C、The
游客
2024-02-16
7
管理
问题
选项
A、The problems of environment pollution.
B、A material which can save fuel.
C、The installation of pollution filters.
D、The way to spray a coat on the engines.
答案
B
解析
对话中后面,两人讨论的是一种被称作coniine oxide的绝缘材料及其作用,故选B)项。
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