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【单选题】
当某种商品价格下降时,对其互补品最直接的影响是
A.
互补品的需求曲线向左移动
B.
互补品的需求曲线向右移动
C.
互补品的价格上升
D.
互补品的价格下降
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】听力原文：M: Hello, Campus Daily, advertising department. This is Mark speaking. W: Hi. I'm calling to place a couple of ads. M: Sure. Under what classification? W: Well, I want one in the 'Roommate Wanted...
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A.
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A.
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B.
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C.
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D.
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查看完整题目与答案