中间业务冲正,单笔冲正金额()万元(不含)以内的,需经支行批准后办理,并书面报二级分行备案。
A.2万
B.3万
C.5万
D.10万
参考答案:C
Hardly had the employees ________ with their work when the rain stopped.
A.passed on
B.focused on
C.depended on
D.carried on
投资组合理论用()来度量投资的预期收益水平。
A.收益率的方差
B.收益率的标准差
C.期望收益率
D.收益率的算术平均