船舶水手考試章節(jié)練習(xí)(2019.08.09)

A.專(zhuān)業(yè)船
B.子母船
C.滾裝船
D.化學(xué)品船

A. salvage ship
B. container ship
C. water ship
D. barge

A.可燃物質(zhì)與氧氣不存在任何比例關(guān)系
B.要使燃燒發(fā)生，必須供給足夠的氧氣
C.著火源必須有一定溫度和足夠的熱量
D.只有燃燒的三個(gè)條件綜合在一起，燃燒才會(huì)發(fā)生

A.液散貨
B.干散貨
C.冷藏貨
D.重貨

A.which
B.what
C.how
D.when

A. The SWL of the derrick is five tons.
B. The SWL of the heavy derrick is six tons.
C. The SWL of the derrick is six tons.
D. The SWL of the crane is six tons.

A.Grain.
B.Fruit.
C.Meat.
D.Fish.

A、2.5m/s
B、4.4m/s
C、6.7m/s
D、9.4m/s