| 11. | A recent survey of the effects of noise revealed ( surprisingly?) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7. |
| 最近一个有关噪音的作用的调查（令人吃惊地）指出，夜间连续不断的狗叫声，在一个从1级至7级刻度表上应列为最严重的噪间污染。
|
| 12. | The noise pollution survey revealed a rather spurring and possibly amusing old fashioned source of noise. |
| 这个有关噪音的污染调查还揭示了一种出人意外而同时可能会引人意外而同时可能会引人发笑的老式噪音源。
|
| 13. | An advantage of using the solar energy is that it won't create any pollution . |
| 使用太阳能的优点是它不会产生任何污染。
|
| 14. | Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet. |
| 环境学家指出：持续增加的污染不仅会导致像全球变暖这样严重的问题，而且还将威胁到人类在这个星球的生存。
|
| 15. | Pollution poses a great threat to our existence. |
| 污染对我们的生存造成巨大威胁。
|
| 16. | There is no denying the fact that air pollution is an extremely serious problem: the city authorities should take strong measures to deal with it. |
| 无可否认，空气污染是一个极其严重的问题：城市当局应该采取有力措施来解决它。
|
| 17. | Many beautiful fish are fast disappearing because of the severe pollution . |
| 因为污染严重，许多美丽的鱼类正在面临绝种。
|
| 18. | Air pollution has been partly attributed to cars. |
| 人们认为空气污染部分是由汽车造成的。
|
| 19. | The leader of the opposition gained significantly in reputation as a result of his speech on environmental pollution . |
| 由于发表了有关环境污染问题的演说，反对党领袖的声望大大提高了。
|
| 20. | The students did a paper on the problem of air pollution . |
| 学生们写了一篇关于空气污染问题的文章。
|