小明要用托盘天平称量5.2g药品,称量过程中,发现指针向右偏,应

小明要用托盘天平称量5.2g药品,称量过程中,发现指针向右偏,应采取的措施是(      

A. 将游码向左移            B. 添加药品

C. 向左调节平衡螺母        D.减少砝码

答案

B

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