A.吊貨索 B.吊桶鉤 C.網(wǎng)吊 D.吊桿
A. Let go B. Heave away C. Pay out D. Hoist
A. on top of B. on and along C. above and below D. below
A.螺帽 B.螺栓 C.開口銷 D.貫穿螺栓
A.plates B.plastics C.boards D.materials
A.請稍等一下,我去叫他來。 B.你就在這里等。我們要在這里工作。 C.請出去,不準你進來。 D.請走開。我們要在這里工作。
A. Will you please swing the heavy derrick over the hatch? B. Will you please swing the derrick over the hatch? C. Will you please lower the derrick over the hatch? D. Will you please top the heavy derrick over the hatch?
A.Notice B.Note C.Attention D.Look out
A. Full ahead! B. Slow ahead! C. Half ahead! D. Ahead three
A.water B.sand C.cotton D.wood