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單項選擇題

The wire ropes and blocks, or pulleys, on a ship are called（）.

A.the apparatus
B.equipment
C.riggings
D.fittings

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There（）numerous platforms, wellheads, other obstructions and flares in the central and southern portions of the Gulf of Suez.

A.is
B.has
C.are
D.have

單項選擇題

There（）salvage operations in position, south side of fairway at Fishhaven.

A.is
B.has
C.are
D.have