下列不属于混合一体化形态的是（）
A.产品扩张型
B.市场扩张型
C.多元化型
D.毫无关联型
参考答案：C
--- Could you tell me______ in Yanghzou?
--- Of course. I think it’s in Dongguan Street.
A．where can we have something good to eat
B．where we can have something good to eat
C．when will the Food Festival be held
D．when the Food Festival will be held
派生数据多表示两组或多组数据之间的关系，它们常常表现为（）关系。
A.平均值
B.相对值
C.绝对值
D.位能
E.密度
F.比率
