更多"It's our duty to preserve the plane"的相关试题:
[单项选择]We are（）in the future of our motherland.
A. aware
B. confident
C. sure
D. certain
[单项选择]It is not the Charterer’s duty that（）.
A. he must procure a cargo and bring it alongside the vessel
B. he must load a full and complete cargo
C. he must load in the time stipulated
D. he must have the vessel tightly secured to the quay where the loading is to take place
[单项选择]The third officer’s duty is to（）when vessel is commanded under the pilot or captain.
A. operate the wheel and stand by
B. keep a lookout and operate steering gear
C. enter telegraph orders in the bell book
D. operate the telegraph and enter telegraph orders in the bell book
[单项选择]（）is the Shipowner’s duty to send the ship to the agreed，or in the absence of special agreement，to the usual place of loading．
A. That
B. Which
C. It
D. Where
[单项选择]The Third Officer’s duty is to（）when vessel is commanded under the pilot or Captain.
A. Operate the wheel and stand by
B. Keep a lookout and operate steering gear
C. Enter telegraph orders in the bell book
D. Operate the telegraph and enter telegraph orders in the bell book
[单项选择]The coming of the railways in the 1830s（）our society and economy.
A. transferred
B. transformed
C. transmitted
D. transported
[单项选择]The duty officer and engineer should obey regulation for the speed of the M-E that established by （）
A. captain
B. chief engineer
C. chief engineer and captain consult together
D. chief engineer and superintend consult together
[单项选择]A pilot vessel on pilotage duty shall show identity lights （）.
A. at any time while underway
B. while at anchor
C. while alongside a vessel
D. All of the above
[单项选择]When installed for bilge pumping or ballast duty, centrifugal pumps require a （） to remove air from the suction pipe.
A. air chamber
B. head lank
C. primer
D. prime mover
[单项选择]Lubricating oil should be changed on a heavy duty diesel engine when（）.
A. it gets dark in color
B. a sample rubbed between fingers feels thin
C. it has been in use for a specified interval
D. it no longer supports combustion
[单项选择]An anchored vessel on pilotage duty must show which light(s) at night? （）
A. A sternlight only
B. Anchor lights only
C. A white light over a red light only
D. A white light over a red light and anchor lights
[单项选择]One hour before sailing, the duty engineer and officer should check （）
A. tachometer and engine telegraph
B. oil and water reserves
C. clock and engine telegraph and test the rudder
D. crews
[单项选择]Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run （）.
A. diesel oil instead of fuel oil
B. fuel oil instead of diesel oil
C. diesel oil instead fuel oil
D. fuel oil instead diesel oil
[单项选择]Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with（）.
A. ship's clock
B. engine movement recorder
C. repeaters
D. navigation lights
[单项选择]Tell the engineer on duty to keep close watch over the machine （）temperature is sometimes a bit too high.
A. which
B. what
C. that
D. whose
[单项选择]A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
A. when at anchor
B. only when making way
C. at any time when underway
D. only when the identifying lights are not being shown
[单项选择]The heavy-duty lubricating oil with chemical has been widely introduced in recent years（）
A. additives
B. behavior
C. coolant
D. desiccant
