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單項選擇題

They should take care of（錨鏈）（）to ensure that they are in normal condition.

A. anchor chains
B. anchor ball
C. anchor gear
D. anchor ring

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單項選擇題

They should take care of（錨）（）to ensure that they are in normal condition.

A. anchors
B. anchor ball
C. anchor gear
D. anchor ring

單項選擇題

Take down （）(G旗).

A.Flag“H”
B.Flag“G”
C.Flag“Q”
D.Flag

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