一、請將以下英文翻譯成中文：（15 分） Pollution problems plaguing the world’s oceans could begin to improve in the next few years, if the world community makes good on pledges made last fall at the United Nations Environmental Program Conference in Washington, DC. More than 100 nations were represented at the Intergovernmental Conference on the Protection of the Marine Environment from Land-Based Activities, which was held at the US State Department.