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單項選擇題

If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the northern hemisphere?（）.

A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast

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單項選擇題

In 1979 an extensive（）program was in progress throughout Suez Canal.

A.a dredge and widen
B.dredged and widened
C.dredging and widening
D.being dredging and widening

單項選擇題

In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel（）.

A.is holding course and speed
B.is turning to starboard
C.intends to pass port to port
D.will keep out of the way of the stand-on vessel