更多"There shall be two principal（）throu"的相关试题:
[单项选择]There shall be two principal （） through the harbor for the passage of vessels of over 60 tons burden．
A. straits
B. channels
C. canals
D. roadsteads
[单项选择]All fog signals shall be sounded every two minutes with the exception of a vessel（）.
A. underway or making way
B. under sail or under tow
C. anchored or aground
D. not under command or restricted in her ability to maneuver
[单项选择]I've got two tickets for the match. Shall we go and watch it together? （）
A. The tickets must be expensive
B. The match must be exciting.
C. Why not. Let‘s go.
D. The place is too far away.
[单项选择]（）shall set security levels and provide guidance for protection from security incidents.
A. The Contracting Governments
B. The Port Authorities
C. The Master
D. The Company Security
[单项选择]（） shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.
A. Cooling system
B. Alarm system
C. The air conditioning installation
D. The mooring equipment
[单项选择]Point Judith Harbor of Refuge（）.
A. is used mostly by towing vessels
B. has a maximum depth of 14 feet (4.3 meters) at MHW
C. West Gap has a controlling depth of 24 feet
D. is entered through the East Gap or the West Gap
[单项选择]The ladder shall（）.
A. be secured in a position so that it rests firmly against the ship's side from which the discharge operations are carried out
B. have at least two replacement steps which are secured in position by a method different from that used in the original construction
C. have battens made of hardwood，or other material of equivalent properties，in one piece and not less than 1.80metres long provided at such intervals as will prevent the pilot ladder from twisting
D. have steps made of softwood，or other material of equivalent properties，made in one piece free of knots，having an efficient slip surface
[单项选择]The attack on Pearl Harbor（）the indignation of the whole nation.
A. raised
B. rose
C. aroused
D. arose
[单项选择]No repairs can be done without the harbor master’s（）.
A. approval
B. authorization
C. consideration
D. discussion
[单项选择]No repairs can be done without the Harbor Master’s（）.
A. approval
B. authorization
C. consideration
D. discussion
[单项选择]The harbor master ordered that foreign ship to（）a safe area.
A. drift to
B. shift to
C. draft to
D. lift to
[单项选择]I haven’t seen the Harbor Officer（）.
A. yet
B. still
C. already
D. just now
[单项选择]An International Ship Security Certificate shall be issued for a period specified by the Administration which shall not exceed （）
A. six months
B. two years
C. four years
D. five years
[单项选择]Vessel shall possess International Cargo Gear Certificates （） duration of Charter Party showing winches and derricks in order.
A. validity in
B. valid for
C. effective at
D. effectiveness for
[单项选择]A vessel shall not（）.
A. enter the traffic separation zone in an emergency
B. cross a traffic lane
C. engage in fishing in the separation zone
D. proceed in an inappropriate traffic lane
[单项选择]It is the only entrance（）the harbor for vessels of moderate draught.
A. to
B. for
C. on
D. over
[单项选择]The approach to the roads and harbor from the（）entails no difficulty.
A. eastern
B. easterly
C. eastward
D. eastwards
