7．We must do something to protect our environment from p ．——青夏教育精英家教网—

摘要：7．We must do something to protect our environment from p ．

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It is our duty _________our hometown clean and beautiful. We must do something for it.
A. to keep B. keeps C. keeping 查看习题详情和答案>>

— The number of pandas is getting________ because their living areas are becoming polluted.

— So we must do something to protect them.

A. less and less B. larger and larger C. smaller and smaller D. fewer and fewer

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Napoga Gurigo，a 12-year-old girl，lives in a village in Ghana. It is 1 for her family to get clean drinking water. The nearest place to get water is a muddy （混浊的） water hole half a kilometer away from her 2 . Animals and villagers use it alike. Each morning, Napoga leaves home at half past five to collect water for her family. Sometimes it 3 a few hours to get enough water. Napoga has no time to go to school for learning. In the neighboring areas, many boys and girls 4 Napoga. They can't keep strong and 5 just because they have not enough drinking water.
In fact, 70% of Earth's surface is water. But most of 6 is sea water. We can't use salty water in our daily life. Fresh water is what we __7__ drink, take showers and cook food. And fresh water covers only 1 percent of Earth's surface. In some areas people try to make deep wells （水井） to get water from 8 . But there still 9 enough for farming. Scientists say that 10 30 years, more people in the world will face all kinds of water problems than now. So we must do something to take care of our water resources (资源).

Many kinds of wild animals are . We must do something to save them.

— Air quality in our city is becoming worse and worse.

—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.

A. reduce B. remove C. collect D. gather

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