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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A.is stayed
B.is situated
C.is placed
D.is located
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
A.to
B.for
C.on
D.with
A.at
B.to
C.by
D.with
A.on
B.under
C.off
D.over
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