A.darkening，growing in size and forming an anvil top
B.that shows extensive vertical development
C.creating cold downdrafts that are felt on the ground
D.All of the above
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A.administer oxygen
B.immediately check his pulse and start CPR
C.make the victim comfortable in a bunk
D.immediately give a stimulant，by force if necessary
A.longitudinally framed
B.transversely framed
C.cellular framed
D.web framed
A.lower spring buoys into the water
B.find an anchor after the buoy has been lost
C.transfer a pennant wire to the anchor handling boat
D.clean chain as it is hauled into the rig
A.a companion way
B.'tween-decks
C.stairs
D.Any of the above are acceptable
A.lifts
B.collars
C.elevators
D.clamps
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A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow? （）
A semisubmersible rig under tow should be ballasted down if（）.
A ship having continuous closely spaced transverse strength members is（）.
A shepherd’s crook is used to（）.
A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
A series of trays with sieves that vibrate to remove cuttings from the circulating fluid in rotary drilling operations is called the（）.
A signal indicating zone time is preceded with the letter（）.
A sign of thunderstorm development is a cumulus cloud（）.
A single vessel being towed alongside shall exhibit（）.
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