信用社需要向县联社领取现金时，出纳员应事先匡算用款数额，提前（）天用电话向县级联社出纳部门报数。
A.1
B.2
C.3
D.7
参考答案：A
These books are ___ children. There are many interesting stories with pictures in them.
A．devoted to
B．intended for
C．connected with
D．introduced for
尿素设备的腐蚀可以通过对（）、工艺参数、（）三者的适当选择而解决。
