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【单选题】
某洗衣机市场调查表明，按1800元的价格销售供求平衡，按2700元的价格销售将无人购买，若提价到2000元，销售收入将（）
A.
增加
B.
减少
C.
不变
D.
难以确定
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查看完整题目与答案
【单选题】听力原文：M: Now that Alexis is retiring, we can promote someone to the head of the sales division. Who would you recommend? W: Justin has put in the most time with the company, but he doesn' t want any mo...
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