單項選擇題在鋼絲繩上打止索結的制索繩應采用：（）。

A.鋼絲繩
B.鏈索
C.纖維繩


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2.單項選擇題船舶高空作業(yè)不宜在何種情況下進行（）。

A.錨泊
B.系浮筒
C.航行中

3.單項選擇題When the anchor is brought to and holding，the horizontal component of anchor cable tensions should equal the（）.

A.displacement tonnage
B.weight forces
C.buoyancy forces
D.environmental forces

4.單項選擇題When picking up your mooring at the buoy，the correct method is to（）.

A.approach the buoy with the wind and current astern
B.approach the buoy with the wind and current ahead
C.approach the buoy with wind and sea abeam
D.stop upwind and up current and drift down on the buoy

5.單項選擇題When moored with a Mediterranean moor，the ship should be secured to the pier by having（）.

A.a stern line and two quarter lines crossing under the stern
B.a stern line，2 bow lines，and 2 quarter lines leading aft to the pier
C.all regular lines leading to the pier in opposition to the anchor
D.two bow lines and two midship lines leading aft to the pier