应建立程序对船舶保安计划加以保密控制，防止擅自（）
A.接触
B.泄露
C.A或B
D.检查
参考答案：C
基金交易目前不收过户费。（）
Since the shipment consists of seasonable goods, it is important that it is______as soon as possible.
A．deleted
B．demanded
C．delivered
D．detached
