瓦片压胎下胎圆角半径Rm=（）Smm。
A.0.5~1
B.1~1.5
C.1.5~2.5
D.2~2.5
参考答案：C
---People should use public transport instead of their own private cars.
--- _______.The roads are too crowd as it is.
A．All right.
B．Exactly.
C．Go ahead.
D．Fine.
商业银行根据本行的业务性质、规模和产品复杂程度以及风险管理水平自行选择操作风险计量模型，模型的置信度应设定为( )。
A．90%B．95%C．99%D．99.9%
