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【单选题】
S1:Chief , let go port anchor.S2:Roger, port anchor let go.S1:Where is cable leading now?S2:Two shackles on deck, cable leading forward.S1:Keep paying out the cable.S2:Roger, pay out cable. Three shackles in water now.S1:Roger, hold on.S2:Hold on. Now chain is slack way.S1:OK, continue paying out the chain to 6 shackles in water.S2:Roger, 6 shackles in water now, cable leading at ten o'clock.S1:Anchor is brought up?S2:Yes, already brought up.S1:OK, hoist the anchor ball. Q1:How is the chain leading right after the anchor let go?A.
The chain is leading forward.
B.
The chain is leading aft.
C.
The chain crossing head.
D.
The chain is up and down.
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【单选题】The Longest Canal in the world is ________.
A.
Panama Canal
B.
Rideau Canal
C.
the Grand Canal
D.
The MIDI canal
【单选题】The Suez Canal is mentioned as an example of a
A.
modern canal.
B.
water level canal.
C.
lock canal.
D.
irrigation canal.