单项选择题
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
单项选择题 Grade No.1 rubber bales are mixed up（）grade No.4.
单项选择题 Heights are expressed（）meters above mean high water.
单项选择题 How（）the cargo at loading port?
