宋代皇位继承制度的优越性在于它以什么为主要皇位继承制度（）
A、禅让制
B、承袭制
C、选举制
D、选储继承制
参考答案：D
The little girl _____ her heart out because she _____ her toy bear and believed she wasn't ever
going to find it. [ ]
A. had cried ; lost
B. cried ; had lost
C. has cried ; he lost
D. cries ; had lost
根据上海证券交易所的现行规定，上海证券交易所B股的申报价格最小变动单位为（）。
A、0.01元人民币
B、0.001元人民币
C、0.001美元
D、0.01港元
