Winter is over, the weather is ____________.[ ]
A. hot
B. warm
C. cold
答案:B
函数y=ax-2(a>0,且a≠1)的图象恒过一定点,该定点的坐标为 [ ]
A.(2,0)
B.(0,1)
C.(0,4)
D.(2,1)
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