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【单选题】
以下哪个是消费需求变化中最活跃的因素,也是企业研究营销活动时所要考虑的主要对象
A.
人均国民收入
B.
个人收入
C.
个入可支配收入
D.
个入可任意支配收入
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】完形填空题 What do we know about the sea? We 1 that it looks very beautiful when the sun is shining 2 it. We also learn that it can be very terrible when there is a strong wind. What 3 things do we know ab...
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