如图所示，木块A立在小车上，小车与木块间无摩擦，小车与木块一_爱下问搜题

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问题选择题

如图所示，木块A立在小车上，小车与木块间无摩擦，小车与木块一起在水平面上向做匀速直线运动，当小车遇到障碍物而突然停止时，木块A将

[ ]

A．向右倒

B．向左倒

C．向右做匀速直线运动

D．停止

答案

答案：C

选择题

It was in the stone house was built as a school by local villagers the boy finished his primary

school.[ ]

A. which; that

B. that; where

C. which; where

D. that; which

单项选择题

中国社会保障制度的价值基础是（）。

A.效率优先，兼顾公平

B.实现社会公平

C.促进经济发展

D.调和区域差距