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问题 单项选择题

我国现阶段社会的主要矛盾是（）。

A.无产阶级和资产阶级的矛盾

B.人民内部矛盾

C.僵化的经济体制同先进的政治制度的矛盾

D.人民日益增长的物质文化需要同落后的社会生产力之间的矛盾

答案

参考答案：D

选择题

His novels sell best and have made him famous, but before that no one could have imagined how

great a role he ______ in the literary world.[ ]

A. had played        

B. has played        

C. is playing        

D. was to play
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选择题

下列各杂交组合中，属测交的一组是 [ ]

A．Aabb×aaBB

B．AaBb×AaBb

C．AABb×aaBb

D．AaBB×aabb

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