风险最大原则是指（）
A.可以聚集大量风险
B.适合大数法则，使保险经营稳定
C.可以增加每单固定成本
D.补偿资金减少
参考答案：B
He asked me . [ ]
A. if she will come
B. how many books I want to have
C. that they would help us to do it
D. what was wrong with me
AD168机器的转印辊能将碳粉从鼓面转移到纸面，在转印辊上施加的是（）
A.正电
B.负电
C.交流电
D.接地
