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【单选题】
对以下有效实行价格歧视的条件中哪一条不是必需的A.
市场上对同种产品的需求弹性不同
B.
能有效分割市场
C.
无弹性的总需求
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】How tiny is one battery part?
A.
Its width is one tenth of a hair．
B.
It equals the width of a hair．
C.
It is as thin as a piece of paper．
D.
Its width is too tiny to measure.
【简答题】png' width='328' height='127'/>
【单选题】In assessing the impact of the loss of a parent through death and divorce it was the distortion of family relationships not the ______ of the bend with the parent in divorce that was vital.
A.
disposition
B.
distinction
C.
distribution
D.
disruption
【单选题】turtle.setup(width, height, startx, starty) 其中width表示什么意思
A.
width：启动窗体的高度
B.
width：启动窗体的宽度
C.
width：启动窗体到屏幕的距离
D.
width：启动窗体到屏幕下方的距离
【简答题】png' width='888' height='1450'/>
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