Read and Choose. 读短文,选择正确答案。 Earth Day began in 1970. Every year on April 22 we should remember about taking care of our planet. on this day people clean up the rivers, lakes, parks and beaches. We need clean water for drinking. We can keep the Earth clean by following the rule: "Reduce, Reuse, Recycle." Reduce means use less. We can use less energy, paper, water, etc. Ride a bike or walk to use less gasoline. Turn off the lights to use less electricity. Reuse means use again. We can reuse many things, such as jars, bags and boxes. Reuse plastic bottles. Make old jeans into a cool bag. Use old newspaper for art projects. Rrcycle means to make something new from something old. Recycle bottles and paper. Give old clothes to other people. Recycle garbage to reduce land pollution.