2. 外语
  3. A、People can spray confine oxide on their car engines easily. B、The material works as a pollution filter. C、The material saves f

A、People can spray confine oxide on their car engines easily. B、The material works as a pollution filter. C、The material saves f

admin2011-01-01  85
问题
选项 A、People can spray confine oxide on their car engines easily.
B、The material works as a pollution filter.
C、The material saves fuel for it reflects back the heat of burning fuel.
D、When burnt, the material will save fuel.
答案C
解析 从女士的解释可知这种材料为confine oxide且不容易融化，一般人无法自行操作，故A)项被排除。而且coniine oxide反射燃料的热量，由此可知，这种材料可省燃料，故选C)项。
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大学英语四级

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