【判断题】【消耗次数：1】
汽车行驶速度越快,燃油经济性越好。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
汽车行驶速度（）。
①
与发动机转速、车轮半径和传动系传动比成正比
②
与发动机转速和车轮半径成正比，与传动系传动比成反比
③
与发动机转速和传动系传动比成正比，与车轮半径成反比
④
与发动机转速成正比，与车轮半径和传动系传动比成反比
【简答题】
如何从改进汽车底盘设计方面来提高燃油经济性？
随机题目
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An American breakfast is a light breakfast without a choice of eggs or meat. It contains fruit juice, bread（toast or rolls）, and coffee or tea.
①
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But not all credit card are accepted in the hotels. We only take ( ), JCB, Visa, Master, Dinner’s Club and the Great wall
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American express
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Room Service. May I come in? what is the meaning of the phrase “room service”?
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④
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inn
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