( )是指系统不充分、管理控制失误、欺诈或者人为错误造成损失的可能性。
A．市场风险
B．操作风险
C．流动性风险
D．信用风险
参考答案：B
—Would you like to play table tennis with me?
—I don't feel like it. I would rather at home and watch TV. [ ]
A.stay
B.to stay
C.staying
D.stayed
正常法则的基本操纵模式是（）
A.地面模式；
B.飞行模式；
C.拉平模式；
D.A+B+C
