Vessel shall possess（）valid for duration of charter Party showing winches and derricks in order.

A . Three shapes，the highest and lowest shall be red balls，and the middle shall be a white diamond B . Two black balls C . Three shapes；the highest and lowest shall be black balls，and the middle shall be a red diamond D . Three shapes；the highest and lowest shall be black balls and the middle shall be a black diamond

A . three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamond B . three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamond C . three black balls in a vertical line D . two black balls in a vertical line

A . an anchor light B . sidelights and a stern light C . three lights in a vertical line，the highest and lowest being red，and the middle being white D . None of the above

A . validity in B . valid for C . effective at D . effectiveness for

A . HAS B . the person in charge C . a qualified inspector D . the crane operator

A . under sail B . restricted in her ability to maneuver C . crossing a channel D . All of the above

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 . from right side B . from left side C . at the termination D . from either side

A . including B . inclusive of C . except that D . other tha

A . three masthead lights in a vertical line instead of either the forward or after masthead light B . two masthead lights in a vertical line instead of either the forward or after masthead lights C . two towing lights in a vertical line at the stern D . a small white light aft of the funnel

A . two towing lights in a vertical line B . a towing light in a vertical line above the sternlight C . two towing lights in addition to the sternlight D . a small white light in lieu of the sternlight

A . only anchor in the separation zone B . cross a traffic lane at as small an angle as possible C . avoid anchoring in areas near the termination of the scheme D . utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed

A . having engaged in fishing B . engaging in fishing C . engaged in fish D . engaged in fishing

A . nightstick B . flashlight C . passenger list showing assigned berths D . A-I fire extinguisher

A . two red lights at night and two black balls during daylight B . two red lights at night and three black balls during daylight C . three red lights at night and two black balls during daylight D . three red lights at night and three black balls during daylight

A、overtaking／overtaken B、being overtake／being overtaken C、overtaking／being overtaken D、being overtaking／overtaken

A . avoid crossing the channel at right angles B . not overtake any vessels within the channel C . keep as near as safe and practicable to the limit of the channel on her starboard side D . when nearing a bend in the channel，sound a long blast of the whistle

A、avoid cross B、avoid to cross C、avoid crossly D、avoid crossing

A . sound the danger signal B . when taking action, make only course changes C . avoid altering course toward a vessel abaft the beam D . All of the above

A . forward masthead light B . after masthead light C . stern light D . All of the above