客户行为规律分析的目标是指将客户在行为上的共同特征与已知的资料结合在一起，对客户进行具体分析。
参考答案：错
Which is not right the following sentences? [ ]
A. How long can I keep the book?
B. My uncle joined the army in 1985.
C. I have had a bad cold for a week.
D. He has left America for ten years.
下列骨肿瘤中，哪一种肿瘤CT上不显示肿瘤基质钙化
A．成骨肉瘤
B．软骨肉瘤
C．巨细胞瘤
D．软骨瘤
E．骨母细胞瘤
