题目：
推土机下坡行驶坡度不得超过（）度
答案：
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参考答案：C解析： 内部原因是行为主体的原因，由个体性行为主体原因引起的挫折称为个人起因挫折。内部原因又可分为两个方面：一是个体生理原因，包括导致个体活动失败或无法达到目标的生理素质、体力、外貌以及...
推土机下坡行驶坡度不得超过（）度
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在给定条件下，可以大量共存的离子组是
A．含有0．1 mol·L—1 Fe3+的溶液中：H+、Fe2+、Na+、Br-
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检测血糖时，最好使用（）。
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C.动脉血
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汽车在行驶过程中，行车速度（）。
A、大于计算行车速度
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当印刷纸张厚度增加时，调整滚筒压力的方法有哪些？
