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單項(xiàng)選擇題

From（）the mariner can understand the data of tide.

A.cargo plan
B.tide table
C.port list
D.sea litlot

單項(xiàng)選擇題

Give a wide berth to the breakwater means（）.

A.to keep clear of the breakwater
B.that there is much berth space near the breakwater
C.Don't drop anchor too close to the breakwater
D.to keep the breakwater within sight