以下账户需要实行双线对账管理的有（）。
A、集团客户的子账户
B、保证金账户
C、同业存款账户
D、与人民银行往来账户
参考答案：B
The principal is not here, and you'd better call him ______ 3 p.m. ______ 5 p.m. tomorrow. [ ]
A. between; and
B. from; and
C. from; to
D. between; to
由我国自主研发并被（ITU）采纳的3G标准是（）
A、WCDMA
B、CDMA2000
C、TD-SCDMA
D、CDMA
