马王堆帛书涉及从哪个朝代到西汉初期的政治，军事，思想和文化（

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问题单项选择题

马王堆帛书涉及从哪个朝代到西汉初期的政治，军事，思想和文化（）.

A、夏朝

B、周朝

C、春秋

D、战国

答案

参考答案：D

选择题

Lei Feng was a soldier who _____ the people and Chairman Mao used to speak highly of him. [ ]

A. devoted himself to serve

B. devoted himself to serving

C. was devoted to serve

D. devoted himself in serving

单项选择题

功率小于30KW的推土机属于（）

A.超轻型推土机

B.轻型推土机

C.中型推土机

D.大型推土机