The teacher tells his students to _______the dictionary for the new word.

A．look up

B．consult

C．consult about

D．look over

开户单位的库存现金限额由开户银行根据开户单位的（　）的日常零星开支所需的现金核定。

A．3至5天　

B．3天

C．5天

D．5至7天