题目内容

From 1800 to 1968 Admiralty charts were published with fathoms and feet as the units for depths，and feet as the units for height．Since 1968 Admiralty charts ________ to meters，thus conforming with charts of most other countries．

A. gradually converted
B. have been gradually converted
C. has been gradually converted
D. is gradually converted

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救生艇应在______上写明船籍港。

A. 艇首左右舷
B. 艇中左右舷
C. 艇尾左右舷
D. 任意部位

「我有课。」翻译成日语是「私は授業があります」。

除应变部署外，每个船员的床头和写字台上应张贴一张：

A. 值日表
B. 台历
C. 工作计划表
D. 应变任务卡

实行低碳转型的政府政策工具中成本最低的是市场途径，但在有效性方面却取决于减排措施规范的强制程度。()