I. Read and complete the passage with the words in the box. On Fortunately environmental pollutant factoriesMost of us are familiar with air, water, and land pollution, but do you know that light can also be a (1)_________? Not many people know about this kind of pollution. Light pollution is the inappropriate or excessive use of artificial light and it can have serious (2) _________ consequences for humans, wildlife, and our climate. Light pollution is a side effect of industrial...
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I. Read and complete the passage with the words in the box.
On Fortunately environmental pollutant factories |
Most of us are familiar with air, water, and land pollution, but do you know that light can also be a (1)_________? Not many people know about this kind of pollution. Light pollution is the inappropriate or excessive use of artificial light and it can have serious (2) _________ consequences for humans, wildlife, and our climate. Light pollution is a side effect of industrial civilization. Its sources include building exterior and interior lighting, advertising, commercial properties, offices, (3) _________, streetlights, and illuminates sporting venues.
The fact is that much outdoor lighting used at night is inefficient, overly bright and, in many cases, completely unnecessary. This light, and the electricity used to create it, is being wasted by spilling into the sky, rather than focusing (4) _________ the actual objects and areas that people want to illuminate. Light pollution has negative impacts. It increases energy consumption, disrupts the ecosystem and wildlife and harms human health. (5) _________, concern about light pollution is rising dramatically. A growing number of scientists, homeowners, environmental groups and civic leaders are taking actions to restore the natural night.
II. Read the passage again and decide the statements are T or F.
1._____Light does not contribute to light pollution.
2._____Light pollution has many bad effects on humans and the environment.
3. _____Light pollution is a side effect of industrial civilization.
4. _____ Much outdoor lighting used at night is efficient.
5. _____Light pollution disrupts the ecosystem and wildlife.
In the twentieth century with the remarkable increase in the scientific and other knowledge, special dictionaries have to be made for a group of words. There are some very large dictionaries which contain all the words in the English language, but they are not convenient to use: They are too heavy and take up too much room.students of a foreign language need a dictionary which contains the words in common in their own language and the ones they are trying to learn.
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