 There are many kinds of natural resources on the Earth. We use natural resources every day. Air, water, soil, plants, and animals are some important resources we use. Without them, we would not be able to survive.
People have changed the Earth in many ways.We cut down trees to build homes and buildings. We make dams to hold water. We pave roads and construct bridges. We dig in the ground to find fuels such as coal, oil, and gas. However, we need to be careful about the changes we make. Some changes could cause problems to the Earth. If we cut down too many trees, animals must find new homes and food. If they cannot do these things, they will die. When we make pollution, we harm natural resources. If the water and air are not clean, we cannot use them. Plants and animals could also die. We need to use fewer resources and protect more plants and animals. 地球上有許多天然資源。 我們每天都使用這些資源。 空氣、土壤、水、植物和動物都是我們所使用的重要資源。 沒有這些資源，我們就無法生存。 但人類已經以許多方式改變地球了。 我們砍伐樹木來建造房子和大樓。 我們興建水壩來儲存水源。 我們鋪柏油路和建造橋墩。 然而，我們必須意識到我們所做的改變。 一些改變可能會對地球造成傷害。 如果我們砍伐太多樹木， 動物就必須另外找尋新的家園和食物。 如果牠們不這麼做就會滅亡。 當我們製造汙染時，我們危害了天然資源。 如果水和空氣都變得不乾淨，那我們就不能使用它們。 植物和動物也會因此死亡。 我們必須運用更少的資源，以及保護更多的植物和動物。 我們挖掘地底尋求能源，例如煤礦、石油和瓦斯。 | 
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