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2023年3月英语四级作文预测：节能
Recently, it is reported that oil price in the international market has been skyrocketing drastically. In China, many traditional mineral cities in northeastern China has run into predicament, with their economy collapsed and workers unemployed, only because coal has been mined out.
Unlike sunlight, water and wind, fossil energy resources, including coal, oil and gas, are not practically reproductive during human history. Once consumed, they're gone forever. If they were to be exhausted before we could find sufficient resources to replace them, we would have to live in entire blackout again, which is of course not what we would like to see.
Therefore, we must economize on energy resources. New techniques should be developed and applied to reduce energy consumption in industry and daily life. Alternative energy should be employed wherever possible. Any practice that wastes energy should be eradicated.