1. Lunar eclipse occurs when the earth´s shadow falls on the moon.
    地球的影子落在月球上时就发生月蚀。

2. Likewise, a limited amount of petroleum can be found under the Earth's surface.
    同理，地表之下只能找到储量有限的石油。

3. Lots of other advice is available in publications listed in the Whole Earth Review (《全球评论》)(Fall 1993).
    《全球评论》（1993年秋季号）列出了一些提供了很多其他建议的出版物。

4. It is an illusion that the sun goes round the earth.
    太阳围绕地球转是一种错觉。

5. Islands and continents make up the terrestrial parts of the earth.
    岛屿和洲构成地球上的陆地部分。

6. It is the one world in the Solar System that is most like the Earth.
    火星是太阳系里与地球最接近的一颗行星。

7. It was from the study of these that so much was learnt about the interior of the earth.
    正是从这两种波中的研究中，我们可以了解到地球内部的许多情况。

8. It is impossible to look for life on another planet using earth-based telescopes.
    使用放置在地球上的望远镜是无法观察到其他行星的生命的。

9. It is bacteria that have generated the oxygen we breathe on earth.
    正是细菌生产出我们在地球上呼吸的氧气。

10. It takes our earth 365 1/4 days to travel round the sun.
    我们的地球需要三百六十五又四分之一天绕太阳公转一周，