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單項選擇題

The Loran needs（）.

A.repairing
B.to repair
C.repairs
D.have repaired

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單項選擇題

The meaning of ebb tide is that（）.

A.tide is falling from high water to low water
B.tide is rising from low water to high water
C.tide is reaching to a highest level
D.tide is reaching to a lowest level

單項選擇題

The pilot station（）close west of the end of the breakwater.

A.is stayed
B.is situated
C.is placed
D.is located