【单选题】【消耗次数：1】
液压系统油液温度过高，将引起膨胀系数不同的运动副间隙变化。该说法（ ）
①
正确
②
错误
参考答案：
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相关题目
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下列关于钢筋和混凝土的温度线膨胀系数的叙述中，正确的是（ ）。
①
钢筋的温度线膨胀系数大于混凝土
②
混凝土的温度线膨胀系数大于钢筋
③
两者的温度线膨胀系数相近
④
两者的温度线膨胀系数相差悬殊
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Do you mind changing seats with me?_________
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Yes, you can.
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Of course, I like to.
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No, I don’t mind.
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Certainly, please do.
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判断线上的内容是否正确：The first glasses of Coca Cola were drunk in 1886. The drink was first __made___ by a US chemist called John Pemberton
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判断线上的内容是否正确：Brierley’s book has the ___merit___ of being both informative and readable.
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field
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Your proposal （） by the committee soon.
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is discussed
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due to
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We all thought ______ pity that you were unable to attend our meeting.
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that
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