“5P”标准是从不同角度将信用要素重新分类，它包括（）。 A: 人品因素（Personal factor）、目的因素（Purpose factor）、还款因素（Payment factor）、保障因素（Protectionfactor）和前景因素（Perspective factor） B: 价格因素（Price factor）、目的因素（Purpose factor）、还款因素（Payment factor）、保障因素（Protectionfactor）和前景因素（Perspective factor） C: 人品因素（Personal factor）、产品因素（Product factor）、还款因素（Payment factor）、保障因素（Protectionfactor）和前景因素（Perspective factor） D: 人品因素（Personal factor）、目的因素（Purpose factor）、促销因素（Promotion factor）、保障因素（Protectionfactor）和前景因素（Perspective factor）

In the opening phase, the atmosphere is the only factor we should consider.

What is the ways of promoting exhibitions?

Nowadays, we can use a smart phone to do almost all the payments. It belongs to ( ). A: Technological environment factor B: Economic environment factor C: Legalenvironment factor D: Social cultureenvironment factor

In a two-factor factorial design, suppose factor A has a levels and factor B has b levels. What are the degrees of freedom for factor A, factor B, and the interaction between factor A and B? A: a;b;ab B: a-1;b-1;(a-1)(b-1) C: a-1;b-1;ab D: a-1;b-1;ab-1