Due to lapse of time the risk in these areas to surface navigation is now considered ()than the ordinary risks of navigation,but a very real risk still exists with regard to anchoring,fishing or any form of submarine or seabed activity.

A . more serious B . not less serious C . more dangerous D . no more dangerou

时间:2022-09-01 19:16:42 所属题库:航路指南题库

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