货币职能是什么？
参考答案：
价值尺度、流通手段、支付手段、贮藏手段和世界货币。
From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
A．when
B．until
C．since
D．before
薪酬体系中与绩效直接挂钩的部分是()。
A.津贴
B.补贴
C.奖金
D.年金
