My hometown was very clean in the past. There was a river in my hometown and the water was very clean. I could go fishing there. But now it is dirty. There is a shoe factory near the river. And a lot of dirty water comes out from the factory every day. It flows into the river and makes the water dirty. There are some plastic bags and other rubbish in the water. Fish cannot live here. There isn't any fish in the water now. A lot of smoke comes out from the factory every day too. The air is not clean here. I'm sad. I want to keep my hometown beautiful. Let's work together to save my hometown. We should stop using plastic bags. And we should stop throwing rubbish into the river. We can plant more trees.
1.阅读选择。(1) My hometown is _______ now.
A. clean B. dirty C. rubbish
(2) What is in the water now?
A. Some plastic bags and rubbish. B. Fish. C. Shoe.
(3) What makes the air dirty?
A. A lot of smoke. B. A lot of dirty water from the factory. C. Some plastic bags and other rubbish.
2.回答问题。
What should we do to keep the river clean?
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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