下列哪一项会导致豆浆的需求曲线向右移动()
A、黄豆的价格下降
B、牛奶的价格上升
C、消费者的收入上升
D、豆奶的价格下降
参考答案:A, B, C
This math question is too difficult. Can you help me ?
A.work on it
B.work out it
C.work it out
D.work for it
A.E=Bav,
B.E=NBav,
C.E=Bav,
D.E=NBav,