跨地市通存通兑业务的手续费按照（）原则计算并从转出方账户进行扣收。
A.就高
B.就低
C.柜员自己选择
D.可以选择不收手续费
参考答案：A
用所给单词的适当形式填空。
1. I (be) going to learn folk dances.
2. There are many different (book) in our library.
3. On my birthday, my good friends (buy) me some presents. I was very happy.
4. We often help the old people (do) some housework on weekends.
5. The policeman (find) the backpack an hour ago.
药物和含铜宫内节育器用于紧急避孕分别适用于避孕失败后的时间为（）
A.24小时，72小时
B.48小时，72小时
C.72小时，72小时
D.72小时，120小时
E.120小时，120小时
