[多项选择]海洋覆盖了地球表面的71%，是全球生命支持系统的一个基本组成部分，也是资源的宝库，环境的重要调节器。人类社会的发展必然会越来越多地依赖海洋。
中国是一个发展中的沿海大国。中国高度重视海洋的开发和保护，把发展海洋事业作为国家发展战略，加强海洋综合管理，不断完善海洋法律制度，积极发展海洋科学技术和教育。中国积极参与联合国系统的海洋事务，推进国家间和地区性海洋领域的合作，并认真履行自己承担的义务，为全球海洋开发和保护事业作出了积极的贡献。

参考答案:The ocean, which covers GA per cent of the earth’s surface, is a basic component of the global bio-support system. It is also a treasure house of resources and an important regulator of the environment. It is inevitable that the development of human society will come to depend more and more on the ocean.
As a major developing country with a long coastline, China attaches great importance to marine development and protection, and takes it as the state’s development strategy. It is constantly strengthening comprehensive marine management, steadily improving its marine-related laws, and actively developing science, technology and education pertaining to the oceans. China has made positive contributions to international ocean development and protection by participating positively in UN marine affairs, promoting cooperation between countries and regions and conscientiously carrying out its obligations in this field.
答案解析:[难点注释]
1．海洋覆盖了地球表面的71%，是全球生命支持系统的一个基本组成部分，也是资源的宝库，环境的重要调节器：此句可断句译为两个独立的句子。前部