单选题:需求量的变动是指(  )。

题目内容:
需求量的变动是指(  )。 A.由于消费者收入的变动引起的需求的变动
B.由于消费者偏好的变动引起的需求的变动
C.同一条需求曲线上点的移动
D.需求曲线的移动

参考答案:
答案解析:

3,-1,5,1,(  )。

3,-1,5,1,(  )。A.3 B.7 C.25 D.64

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①谣言止于智者,粉碎谣言靠的还是民众自身的审慎与理性②流通的信息不仅要多,更要有质量③一个信息自由流动的社会,会内生出强大的信息鉴别机制④信息够不够有说服

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Why did the African nations welcome an ivory ban?

Why did the African nations welcome an ivory ban?A.The rate of killing has been

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According to this passage, which of the following is FALSE?

According to this passage, which of the following is FALSE?A.Many workers don't

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