下列解析法界址点施测要求不正确的是( )。
A.测距 B.测角 C.整理数据 D.验核勘丈
参考答案:C
--- I’m sorry I can’t go with you.
--- ______? Haven’t you agreed?
A.How’s that
B.What is it
C.Why don’t you
D.What do you think
外汇市场的参与者可以划分为哪几类?