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【单选题】
一轻绳跨过一具有水平光滑轴、质量为M的定滑轮，绳的两端分别悬有质量为m1和m2的物体（m1A.
处处相等
B.
左边大与右边
C.
右边大于左边
D.
无法判断
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】设有一个三维数组，按面、行、列的次序顺序存放，数组有S个面，每个面有R行、C列，每个项仅占一个存储单元，首地址为X。那么该数组第i面、第j行、第k列的项的地址多项式表示为 。
【单选题】下面那句话是正确的?( )
A.
电路中电位参考点可任意选择，当选择不同的电位参考时，电路中各点电位保持不变，任意两点间的电压也保持不变；
B.
电路中电位参考点可任意选择，当选择不同的电位参考时，电路中各点电位会发生改变，但任意两点间的电压保持不变；
C.
电路中电位参考点可任意选择，当选择不同的电位参考时，电路中各点电位会发生改变，任意两点间的电压也会发生改变；
D.
电路中电位参考点可任意选择，当选择不同的电位参考时，电路中各点电位保持不变，但任意两点间的电压会发生改变。
【单选题】A manager should attempt to maximize the value of the firm by:
A.
changing the capital structure if and only if the value of the firm increases.
B.
changing the capital structure if and only if the value of the firm increases to the benefit of inside management.
C.
changing the capital structure if and only if the value of the firm increases only to the benefits of the debtholders.
D.
changing the capital structure if and only if the value of the firm increases although it decreases the stockholders' value.
【单选题】The author suggests that the recreative possibilities of greenspace Should ha provided ______.
A.
in special areas
B.
in the suburbs
C.
in the neighbourhood of the house
D.
in gardens and parks
【单选题】A manager should attempt to maximize the value of the firm by
A.
changing the capital structure if and only if the value of the firm increases.
B.
changing the capital structure if and only if the value of the firm increases to the benefits to inside management.
C.
changing the capital structure if and only if the value of the firm increases only to the benefits the debtholders.
D.
changing the capital structure if and only if the value of the firm increases although it decreases the stockholders' value.
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