Vessel shall normally join or leave a traffic lane（）of the lane.

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 . 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 . take action to cross ahead of the other vessel B . take action to pass astern of the other vessel C . maintain course and speed D . change course and increase speed

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 . only in case of an emergency or the engage in fishing within the zone B . as nearly as practical at right angles to the general direction of traffic flow C . at as small an angle as possible D . only to anchor within the zone

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 . cofferdams B . galleys C . pump rooms D . tanks used to carry liquids having a flash point of 150°F or above

A . Cooling system B . Alarm system C . The air conditioning installation D . The mooring equipment

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 . drug B . remedy C . medicine D . healer

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 . small an angle B . large an angle C . either small or large an angle D . neither small nor large an angle

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 . ended B . terminative C . termination D . side

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

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

A . only in case of an emergency or to engage in fishing within the zone B . as nearly as practical at right angles to the general direction of traffic flow C . at as small an angle as possible D . only to anchor within the zone