題目：Warming of the Earth
正文：At present,the global mean temperature of air is reaching the highest temperature up to now.According to research made by scientists that the warming of the Earth is caused by human activities,such as driving autos,the use of air conditioner and so on.And the warming of the Earth brings many effects on people and the environment and makes the climate hot and dry,positive movement,rainstorm and so on.Therefore,something must be done to control the warming of the Earth by forest planting and reduce the pollution,and do remember not fail to do good even if it's small.
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