【B10】
A. desire
B. set
C. trail
D. bit
The author cited group-living wolves in his class with the aim to
A. equip the prisoners with more knowledge of the wolves.
B. hint the prisoners to learn to cooperate like the wolves.
C. inform. the prisoners that animals can both compete and cooperate.
D. tell the prisoners that collective interest is as important as self-interest.
在进行核电厂厂址地质、地震调查时按四种级别进行。近区域范围的调查应将代表性资料反映在比例尺不小于()的图上。
A. 1：1000000
B. 1：100000
C. 1：25000
D. 1：1000
【B20】
A. theory
B. ideal
C. principle
D. concept
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