單項(xiàng)選擇題When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.

A.Arch the back to add strength to the muscles
B.Bend his knees and lift with his legs
C.Bend his back and stoop
D.Bend his back and stoop with arms straight


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1.單項(xiàng)選擇題When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.

A.Should not exceed
B.Must be up to
C.Should exceed
D.Should be about

2.單項(xiàng)選擇題When discharging an oil cargo，the first consideration is to（）.

A.get the bow up
B.discharge from the wings first
C.discharge from the centerline tanks first
D.discharge from amidships first