用简化的方法计算期权敞口头寸时，持有期权的敞口头寸等于银行因持有期权而可能需要买入或卖出的每种外汇的总额。
参考答案：对
I was told that _______ 10:20 flight would take us to Shanghai in time to reach _______ Fudan University.
A．the; /
B．the; a
C．a; the
D．/; the
计算题：计算20钢在室温组织中，珠光体和先共析铁素各占多少（其组织为平衡状态组织）？
