2. 职称英语
  3. 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2023-07-15  43
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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