In a crossing situation，the stand-on vessel should normally（）.

A . ballast deep tanks if they are slack B . transfer ballast athwarships C . pump out double bottoms D . fill double bottom from deep tank

A . not under command B . restricted in her ability to maneuver C . engaged in towing D . fishing

A . when row directories need more row entries B . when there is row migration in the data block C . when there is an increase in the PCTFREE value for the data block D . when more transaction slots are required than are initially configured

A . is holding course and speed B . is turning to starboard C . intends to pass port to port D . will keep out of the way of the stand-on vessel

A . When a risk of collision exists B . When action by the give-way vessel alone will not prevent a collision C . When the bearing to give-way vessel becomes steady D . When the vessels become less than 1/2 mile apart

A、take avoiding action immediately upon determining that risk of collision exists B、immediately sound the danger signal C、take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriate D、 hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision

A . apply the relevant Steering and Sailing Rules as a power-driven vessel B . apply the relevant Steering and Sailing Rules as a Sailing vessel C . apply the relevant Steering and Sailing Rules as a vessel not under command D . apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operatio

A . turning to port B . turning to starboard C . decreasing speed D . increasing speed

A . Running into head seas B . Running in the trough C . Running with following seas D . Anchored with your bow into the sea

A . Cross ahead of the stand-on vessel B . Make a large course change to starboard C . Slow your vessel D . Back your vessel

A . on a collision course B . the vessels will pass within one mile C . it becomes apparent to her that the give-way vessel is not taking appropriate action D . the relative speed of the vessels indicates collision in less than six minute

A . Partitioning of network resources is enabled. B . VRFs cannot support path isolation from MAN/WAN designs. C . VRFs cannot be used to map a virtualized data center to a MPLS implementation. D . VRFs do not allow for the use of application services with multiple access topologies. E . An access design using a VRF allows for an aggregation layer service module solution.

A . At any time you feel it is appropriate B . Only when you have reached extremis C . When you determine that your present course will cross ahead of the other vessel D . When it becomes apparent to you that the give-way vessel is not taking appropriate actio

请将上面这段话翻译成中文，谢谢！

A．take avoiding action immediately upon determining that risk of collision exists B．immediately sound the danger signal C．take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate D．hold course and speed until the point of e

听力原文： A passenger train has slammed into a double-decker bus at a rail crossing in rural Argentina, killing eighteen people and leaving almost fifty injured. The train was traveling fiom the capital Buenos Aires to the South Atlantic beach resort of Mar del Plata (7) when the collision occurred before dawn on Sunday near Dolores, about 200 kilometers south of the capital. (8) The bus was canwing 61 passengers and 2 dryers. One of the bus passengers said the bus had tried to beat the train to the crossing, despite the train sounding its horn repeatedly as it approached. The train's drivers also told investigators that the crossing barriers were down when the bus unexpectedly tried to cross the tracks in front of the train. Where did this accident happen？ A．In the capital Buenos Aires. B．Near the beach resort of Mar del Plata. C．Near Dolores. D．Not mentioned.