新增的帐户信息何时生效？（）
A、下一交易日生效
B、设置后1个小时后生效
C、需场务确认后才能生效
D、实时生效
参考答案：D
四（ ）二十四________________________
The purpose for the bag or box on top of some survival craft is to（）.
A.right the craft in case of capsizing
B.increase area for radar detection
C.act as a sail in case of a power loss
D.steady the craft in heavy seas
