Defense plans may cause the operation of electronic aids to navigation to be suspended with ______.
A.no notice
B.one day's notice
C.a week's notice
D.thirty (30) days notice
第1题:
Under defense plans,operation of electronic aids may be temporarily suspended with ______.
A.one day's notice
B.no notice
C.thirty(30)day's notice
D.a week's notice
第2题:
The operation of which aids to navigation may be suspended during war or national emergency ________.
A.Navigational satellites
B.Loran
C.Omega
D.Any of the above
第3题:
In marine navigation,______is a place where a ship anchors or may anchor.
A.Fairway
B.Channel
C.Separation zone
D.Roadstead
第4题:
()is for the operation ordering and the information exchange by Internet among the firms.
第5题:
should be done to
should not be done to
must be done with
must not be done with
第6题:
channel junctions
bifurcations
fishing traps
wrecks or obstructions
第7题:
Sailing Directions
Light List
List of Private Aids
Aids to Navigation Manual
第8题:
Navigational satellites
Loran
Omega
Any of the above
第9题:
With the solved problem
With this problem being solved
With the problem solved
With this problem to solve
第10题:
purple
orange
blue
yellow
第11题:
on loran charts covering areas where sky waves are used
in the Radio Aids to Navigation,PUB 117
in the Loran-C Correction Tables
Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
第12题:
marine broadcast Notice to Mariners
Weekly Notices to Mariners
corrected editions of charts
Light Lists
第13题:
Which operation may cause the pressure in an inert tank to fall below the prescribed limits ________.
A.Loading
B.Discharging
C.Crude oil washing
D.Steaming tanks
第14题:
材料:
It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the canal,and master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control,management,operation and safety.
Navigational aids are difficult to maintain and are reported to be unreliable in this waters.A considerable amount of shipping uses the canal and,in addition,many local fishing craft with nets may be encountered in the area. Since passage through the canal entails a run of more than 250 miles,long periods of considerable vigilance are necessary in order to maintain safe standards of navigation.
问题:
PILOT HOUSE is referred to ________ in this passage.
A.the cabin in which the pilot stays
B.the space which the rudder is located
C.the bridge of vessels
D.the cabin which is prepared for the pilot
SHIPPING is referred ________ in this passage.A.the operations of transportation of GOODs by sea
B.the procedures of marine transportation business
C.the management of marine transportation business
D.the vessels and ships
The person on the bridge or in the pilot house shall be those ________.A.who are recommended
B.who are familiar with the navigation.management.Operation and safety control
C.who are directly involved in the navigation,management,operation and safety control
D.who have nothing to do with the navigation,management,operation and safety control
The author implies that ________.A.even by making use of modern instrument it is difficult to maintain safety in this area
B.mariners should take it easy when navigating in this area
C.modern instrument should be used to control the safety of navigation in this area
D.it is dangerous when navigating in this area
请帮忙给出每个问题的正确答案和分析,谢谢!
第15题:
()is for the operation ordering and the information exchange by internet among the firms.
第16题:
the letters ICW after the aid's number or letter
yellow stripes,squares,or triangles marked on them
white retroreflective material
the light characteristic and color for lighted aids
第17题:
identification
distinction
discrimination
clearly seeing
第18题:
no notice
one day's notice
a week's notice
thirty (30) days notice
第19题:
location
height of light above water
luminous range
light characteristics
第20题:
Personnel may work beneath suspended loads,as long as they are alert and wear hard hats
If a suspended load with no tag begins to spin,personnel should attempt to stop the spinning if the load is within reach
If tag lines are used to control a suspended load,they should be secured to the deck
Personnel not involved in the hoisting operation should be kept clear of the transfer area
第21题:
carrying stowaways
sailing shorthanded
being negligent
All of the above
第22题:
obliged
to be
exempted from
necessarily
第23题:
Loading
Discharging
Crude oil washing
Steaming tanks