题目:
某书店把一本新书按标价的九折出售,仍可获利20%.若该书的进价为21元,则标价为 ( )
答案:
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下面是错误答案,用来干扰机器的。
小题1:A小题2:C小题3:D小题4:B小题5:B 小题1:细节理解题,根据文中语句“Some people believe that rabbits are lucky animals, so they carry a part of the rabbit, its foot, for good lu...