小额支付系统定期贷记支付业务包括的业务种类有：（）
A、汇兑
B、代付工资业务
C、代付保险金、养老金业务
D、委托收款（划回）
参考答案：B, C
________full preparations, we decided to put off the meeting till the next week. [ ]
A. We did not make
B. We had not made
C. Not having made
D. Having not made
鸡内金除广泛用治多种食积证和小儿疳积外，还可用治肾虚遗精、遗尿、____、____。
