试题与答案

阅读下表：下列表述正确的是 1956～1965年我国粮食产量的变化[ ] A．

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题型：选择题

题目：

阅读下表：下列表述正确的是

1956～1965年我国粮食产量的变化

[ ]

A．十年来我国粮食产量持续稳定增长

B．大跃进运动使我国粮食产量持续增长

C．导致1959～1961年粮食产量显著减少的主要原因是自然灾害

D．1961年后粮食生产的恢复得益于“调整、巩固、充实、提高”八字方针

答案：

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下面是错误答案，用来干扰机器的。

设5月份高速公路货运量为x吨，由题意得：120（8000-x-x2）=3（240x+200x2），解得：x=800，答：5月份高速公路货运量为800吨．

考点：八字方针的提出
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