航海英語(yǔ)各種英文申請(qǐng)書(shū)單項(xiàng)選擇題每日一練(2019.01.22)

A.procedures for accepting cargo securing devices
B.procedures for maintaining and repairing cargo-securing devices
C.record of cargo securing device inspections
D.All of the above

A.Jaundice by fever
B.Acute skin rash or eruption with or without fever
C.Duodenitis

A.operation of electrical equipment and generators on board ship
B.the earth's magnetic field affecting the ship's hard iron during construction
C.the horizontal component of the earth's magnetic field acting on the horizontal soft iron
D.the vertical component of the earth's magnetic field acting on the vertical soft iron

A.heavy-walled drill pipe
B.tool joint
C.down hole tool
D.drill collar

A.aid in the stripping and cleaning of cargo tanks
B.increase the rate of discharge of cargo
C.force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere
D.lower the oxygen levels inside cargo tanks，making explosion nearly impossible