根据有关规定，信用证规定的每一种单据至少应提交________正本。 ( )
A．二份
B．一份
C．三份
D．四份
参考答案：B
The two brothers are talented in maths, and both of them won the first prize of maths competition. [ ]
A. similarly
B. familiarly
C. frequently
D. correctly
实行会计电算化的单位发生收款和付款业务的，在输入收款凭证和付款凭证的当天必须打印出现金总账和银行存款总账的账页，并与库存现金核对无误。( )
