1. It is quite reasonable to regard the sea floor as the basic form of the crust of the earth, with, superimposed upon, it the continents, together with the islands and other features of the oceans.
    因此完全有理由把海床看作地壳的基本模壳，上面附加着大陆以及岛屿和海洋的其他形态。

2. This is a basic principle.
    这是一条基本原理。

3. The basic features include a crest (the highest point of the wave),
    它们的基本特征包括浪峰（波浪的最高点）、

4. The ideas that we have about marriage are part of our cultural background; they are part of our basic beliefs about right and wrong.
    我们对婚姻所持有的观念是我们文化背景的一部分；这些观念也是我们基本的是非观的一部分。

5. The past forty years saw great success in the control of spreading diseases and great strides toward achieving "health for all by the year 2000" (a major WHO goal) through improved basic health care, food, cleanliness, and immunization(免疫)
    在过去的40年中，通过改善基本医疗保健、食品、卫生和免疫等项目，人类在控制流行病方面取得了巨大的进步，并且朝着实现"2000年人人享受健康"（世界卫生组织的一项主要目标）迈出了一大步。

6. This means that major cities are getting the basic infrastructure to become major parts of the information superhighway, allowing people to log on to the most advanced services available.
    这意味着其主要城市正获得必需的基础设施，成为信息高速公路的主要部分，使人们能够进入系统，获得最先进的服务。

7. The basic significance of the emotional intelligence that Time called "EQ" was suggested by management expert Karen Boylston:
    《时代周刊》称之为"情商"的情感智能的根本意义，在企业管理专家凯伦·波尔斯顿的话中可见一斑：

8. His periods of silence were not his basic nature, but the result of moods.
    他的沉默寡言决非天性，而是情绪使然。

9. Despite all these unusual traditional ways of finding a marriage partner, one idea is the same throughout the world: Marriage is a basic and important part of human life.
    尽管有上述那些不寻常的寻找婚姻伴侣的传统办法，但有一个观点在全世界都是一样的：婚姻是人类生活中基本的、重要的一部分。

10. All this makes me see that besides a good training in pronunciation, spelling, handwriting and basic grammar, one has to pay close attention to English idioms in order to learn the language faster and use it better.
    所有这些使我认识到，要想更快地学会英语，更好地使用英语，除在语音、拼写、书写和基本语法方面进行良好的训练外，还要密切注意英语习惯用法。