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科t外汇的总额。()
参考答案:错
When the financial statements materially depart from accounting standards and are not fairly presented, the audit opinion would be a(n):()
A. adverse opinion.
B. qualified opinion.
C. disclaimer of opinion.
水轮机能将水能转换为旋转()。