无论m为任何实数,二次函数y=x2+(2﹣m)x+m的图象总过的点是[ ]
A.(1,3)
B.(1,0)
C.(﹣1,3)
D.(﹣1,0)
答案:A
I hear you’ll have _________ one-week holiday _________ next month. Is that right?
A.a; the
B.a; /
C.an; the
D.an; /
简述对营销有意义的细分市场必须具备的条件。