閱讀理解，根據(jù)要求完成下面的題目。
Earth Day is on April 22nd. It was started by an American-Nelson. In 1970, about 20 million Americans
celebrated the first Earth Day.
Every day, we take important things from the earth, like trees, water, and oil. Our factories, cars, and
garbage (垃圾) make the air, water, and land dirty. If we are not careful, we will have no trees, no clean water
and air, and no food.
Earth Day tells us to be kind to the earth. Use less water, plant more trees……
The earth is ours, so we should help the earth everyday, not just on Earth Day!
1. When is the Earth Day?
A. On April 21st.
B. On April 22nd.
C. On April 2nd.
2. Who celebrate the first Earth Day?
A. Americans.
B. Chinese.
C. All the people on the earth.
3. What is the article (短文) about?
A. Nelson started the Earth Day.
B. We should help the earth on Earth Day.
C. Protecting the earth is very important.
仿照例句，將句子補(bǔ)充完整。（不可以抄寫例句中的畫線部分）
例: Earth Day tells us to be kind to the earth. Use less water, plant more trees……
What should you or shouldn't you do to the earth?
4. _____________________________________________________________________
5. _____________________________________________________________________
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