八叉树数据结构是（） A.用以描述体状物体的矢量数据 B.二维栅

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问题单项选择题

八叉树数据结构是（）

A.用以描述体状物体的矢量数据

B.二维栅格数据中的四叉树在三维空间的推广

C.用以描述体状物体的非压缩的体素结构

D.体状地物的数字立体模型

答案

参考答案：B

改错题

指出错误并改正。

1. It makes a good sense to take exercise and keep fit.

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2. He told us never eat too much fatty food.

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3. Mother told me to let Henry to clean the sitting room.

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4. He said the children to keep away from the fire.

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5. The headmaster suggested that the students would go skating.

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判断题

我军的思想政治建设，包括党的基本理论、基本路线和基本纲领教育。