确定整个货币制度的基础因素是（）
A.货币金属
B.货币单位的确定
C.确定本位货币
D.确定辅币材料及其铸造和流通
参考答案：A
Some directors have the company sit and read the play together for three or four days before rehearsing it.
A．group of players or actors
B．group of people together
C．people in a business firm
D．staff of a theatre
下列除（）外，能够说明吴昌硕线条是。
A、强调骨法用笔
B、强调气韵生动
C、强调书写性
D、强调整齐
