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

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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

單項選擇題

The portable radio apparatus means（）.

A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus