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【多选题】
以下关于需求价格弹性与销售收入的论述中，正确的是A.
需求弹性越大，销售收入越少
B.
如果需求价格弹性为单位弹性，则价格对销售收入没有影响
C.
如果需求价格弹性为缺乏弹性，则降价可以扩大销售收入
D.
如果需求价格弹性为富有弹性，则降价可以扩大销售收入
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皮皮学刷刷变学霸
举一反三
【判断题】when the second world war ended，britain no longer was the largest military power in western europe. ()
A.
正确
B.
错误
【简答题】Everyone asked me how the story ended, but it was __________________ (对我来说同样是个谜) as to them.
【简答题】and the story ended till I got the answer______________
【判断题】The story ended with the talk between John and his parents to show that people gained more than physical damage in the storm.
A.
正确
B.
错误
【简答题】The story ended without any cosmic conclusions.
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