完成作文，说明大家保护环境的重要性并说明你的理由。WeliveontheEarth.TheEarthwas1.________,butnowsomepartsa

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完成作文，说明大家保护环境的重要性并说明你的理由。

We live on the Earth. The Earth was 1.________ , but now some parts are dirty. Let's work together to keep the Earth pretty and healthy because the Earth is only home for all the living things. We should 2.________. We should 3.________. We also need water and trees. So we shouldn't 4. ________. We should stop 5.________.

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Read and choose. (读短文，选择正确的选项。)

Everyone ________ to be strong and healthy. Me, too. A healthy body ________ healthy bones(骨骼), muscles(肌肉) and skin(皮肤). ________ strong bones, you need ________ good foods. You can eat more vegetables and fruits. For strong muscles, you need ________. You need about twenty minutes of exercise three ________ a week. ________ is exercise. ________ ping-pong is exercise. Riding a bike is exercise. Walking to school is exercise. Healthy skin is ________ skin. Remember ________ a bath or a shower always. I hope everyone is strong and healthy.

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