题目

Some people say more but do less ________ others do the opposite. A . as B . when C . while D . because 答案:C李小明同学用天平称量物体的质量时,发现砝码已经磨损,则测量结果与真实值相比较          [  ] A. 偏大 B. 偏小 C. 相等 D.无法判定  
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