單項(xiàng)選擇題Vessels are warned（）in the area enclosed by pecked lines owing to the existence of numerous telegraph cables.

A.anchor
B.to anchor
C.not to anchor
D.not to anchoring


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1.單項(xiàng)選擇題Vessels should not anchor or trawl in the vicinity of pipelines and are（）.in the pipeline area shown on the chart.

A.prohibit to anchor
B.prohibited to anchor
C.not to anchor
D.prohibited from anchoring

2.單項(xiàng)選擇題Vessels transiting Suez Canal are charged according to their（）.

A.gross tonnage
B.Suez Canal tonnage's
C.net tonnage's
D.Panama Canal tonnage's

3.單項(xiàng)選擇題Vessels transiting the canal must have their accommodation ladders and cargo booms（）.

A.removed
B.rigged in
C.readjusted
D.tested

4.單項(xiàng)選擇題We（）at anchor in the roadstead till the evening.

A.have to ride
B.have to get
C.have to put
D.have to make

5.單項(xiàng)選擇題We（）our breakfast when the pilot came on board.

A.just have had
B.just had
C.have just had
D.had just had