A-A+

A.A fuel that burns cleanly.B.An oil additive

2022-08-05 14:34:09 问答库 阅读 168 次

问题详情

A.A fuel that burns cleanly.
B.An oil additive that helps cool engines.
C.A material from which filters are made.
D.An insulating material sprayed on engine parts.

参考答案

正确答案:D
解析:听力对话中出现一个专有名词时,通常情况下会紧接着对这一名词进行进一步的解释。该对话在提到coniine oxide后对其作了解释: It's a really good insulator.And a thick coat of get sprayed on certain part of the engine即“是一种很好的绝缘体,是喷洒在发动机某一部位的厚厚的涂层。”选项D将这一解释进行了归纳概括。

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