个人网上银行外汇宝业务中多重委托交易的同一笔资金，最多只能同时委托（）。
A、两笔
B、三笔
C、四笔
D、五笔
参考答案：B
This new method of teaching for the time being in our school. It will be carried out all________over the city.
A. is experimenting B. is experimented C, is being experimented D. has been experimented
如指定修约间隔为0.1，相当于将数值修约到( )位小数。
A．一
B．二
C．三
D．四
