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【OG20-P284-356题】
A conveyor belt moves bottles at a constant speed of 120 centimeters per second. If the conveyor belt moves a bottle from a loading dock to an unloading dock, is the distance that the conveyor belt moves the bottle less than 90 meters? (1 meter = 100 centimeters)
(1) It takes the conveyor belt less than 1.2 minutes to move the bottle from the loading dock to the unloading dock.
(2) It takes the conveyor belt more than 1.1 minutes to move the bottle from the loading dock to the unloading dock.
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分析A选项
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分析B选项
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分析C选项
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分析D选项
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分析E选项
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预约名师一对一题目解析课程题干：t<9000/(120*60)=1.25minutes?
条件1：t:<1.2，充分
条件2：t>1.1，不充分
题目讨论 （2条评论）
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xdxcc
没看到单位
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0
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2019-07-07 21:49:17
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Clara少女
MORE THAN 都没看见，怀疑自己是不是瞎了
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2017-11-01 18:55:32
