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Thirty years ago, Lake Ponkapog in Hartw...

Thirty years ago, Lake Ponkapog in Hartwell, New Jersey, was full of life. Many birds and animals lived beside the water, which was full of fish. Now there are few birds, animals, and fish. The lake water is polluted. It is in a colour of dirty brown, and it is filled with strange plants.

How did this happen? First, we must think about how water gets into Lake Ponkapog. When it rains, water comes into the lake from all around. In the past, there were forests all round Lake Ponkapog, so the rainwater was clean.

Now there are many homes around the lake. People often use the chemicals (化学制品)in their gardens. They use other chemicals inside their houses for cleaning and killing insects. There are also many businesses. Businesses use chemicals in their machines of shops. Other chemicals fall onto the ground from cars or trucks. When it rains, the rainwater picks up all the chemicals from home 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. Lake Ponkapog is a popular place for motorboats(汽船). But oil and gas from boats often get into the lake. So more bad chemicals go into the water this way.

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 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 Lake Ponkapog be a beautiful, clean lake again.

1.In the past, the water in Lake Ponkapog was made clean by ________.

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 dirty lake

4.To save Lake Ponkapog, people need to ________.

A.be more careful about chemicals           B.use the water

C.grow fewer plants in the gardens            D.use more motorboats on the lake

5.The passage is about ________.

A.boats on the Lake Pankapog               B.why the water is dirty in Lake Ponkapog

C.clean rainwater                         D.dirty lakes

 

1.A 2.D 3.C 4.A 5.B 【解析】 试题分析:这篇短文主要讲述了美国新泽西州卡本蓬湖的湖水变脏的原因,并提出了适当的建议。 1.根据第二段In the past, there were forests all round Lake Ponkapog, so the rainwater was clean. 描述,可知选A。 2.根据When it rains, the rainwater picks up all the chemicals from home and businesses and then carries them into the lake 。及上文描述,可知选D。 3.根据When it rains, the rainwater picks up all the chemicals from home and businesses and then carries them into the lake .及下文A clean lake must have clean rainwater going into it.描述,可知更干净的雨水造就更干净的湖泊。故选C。 4.最后一段Clean rainwater is possible only if people are more careful about chemicals at home and at other chemicals on the ground.描述,可知选A。 5.这篇短文主要讲述了美国新泽西州卡本蓬湖的湖水变脏的原因。故选B。 考点:关于湖水污染问题的说明文阅读
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