The Earth is a beautiful place. There are forests and rivers, mountains and fields. Some places are very hot, and some are very c1．.
There are many different plants (植物). Some are large. Some are small. All plants need light and w2．. There are different a3． on Earth too. Some live on the land. Some f4． in the sky. Some live u5． the water. There are a6． many people like you and me on Earth. The Earth provides (提供) us with air, water and food. It is o7． home.
Today, there is a lot of pollution (污染). We burn things to make e8．. This pollutes (污染) the air. We put our rubbish i9． the sea and under the ground. This pollutes the Earth and kills animals and plants.
We must stop doing these things. It’s important for us to p10． the Earth for our future.
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