|文章作者：黄景悦 文章来源：中考英语网 点击数： 更新时间：2013-04-06||
Thirty years ago,
How did this happen? First, we must think about how water gets into
Now there are many homes around the lake. People often use chemicals(化学品) in their gardens. They use other chemicals inside their houses for cleaning or killing insects(昆虫). There are also many businesses. Businesses use chemicals in their machines or shops. Other chemicals fall onto the ground from cars or trucks. When it rains, the rainwater picks up all the chemicals from homes and businesses and then carries them into the lake. They pollute the water and kill the animals.
Boats on the lake are also a problem.
People in Hartwell are worried. They love their lake and want to save it. Will it be possible? A clean lake must have clean rainwater going into it. Clean rainwater is possible only if people are more careful about chemicals at home and at work. They must also be more careful about gas and oil and other chemicals on the ground. And they mustn’t use motorboats any more on the lake. All these may change people’s lives. Only then can
1. In the past, the water in
A. forests B. rain C. birds D. fish
2. Chemicals from homes and businesses ____.
A. are always clean B. can help the animals
C. are good for the lake D. get into the rainwater
3. Cleaner rainwater will mean ____.
A. more boats on the lake B. more dirty things in the lake
C. a cleaner lake D. a dirtier lake
4. To save
A. be more careful about chemicals
B. use less water
C. grow fewer plants in the gardens
D. use more motorboats on the lake
5. The passage is about ____.
A. boats on
B. why the water is dirty in
C. clean rainwater
D. dirty lakes
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