淡水资源人均占有量仅为世界平均水平的1/4。 译文：The amount of freshwater resources per capita is only one-fourth the world average level.

问答题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。译文：China is 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.

问答题He dismissed the meeting without a closing speech.译文：没有闭幕词他就结束了会议。

多项选择题中国拥有大陆海岸线18000多公里。译文：China boasts of a country coastline of more than 18,000km.

问答题Suppose the preparatory work should not be completed.译文：设想准备工作完成不了。

问答题The year 1687 saw the publication of Newton’s great book The Mathematical Principles of Natural Philosophy.译文：一六八七年看到了牛顿的巨著《自然哲学的数学原理》的问世。