需求的价格弹性是指
A.一种商品价格的变动对其它商品的需求产生的影响
B.某一商品需求量对它本身价格变化的反应程度
C.商品价格和需求量之间的函数关系
D.消费者的收入和某一商品均衡购买量之间的关系
正确答案是B
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
He rolled a scrap of paper into a ( ) container for those tiny pearl buttons. (cone, shape)
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