节约能源
another round of energy crisis is knocking at the door. in 2004, world oil consumption reached a new record, causing oil price in the international market to skyrocket amazingly.
as for china, it was reported that many traditional mineral cities in northeastern china had run into predicament, with their economy collapsed and workers unemployed, only because coal had been mined out.
fossil energy resources, including coal, oil and gas, are unlike sunlight, water power and wind power which are generated consistently. theyre not practically reproductive during human history. once consumed, theyre gone forever.
if they were to be exhausted before we could find sufficient reproductive resources to replace them with, wed have to live in entire blackout again like our ancestors have done thousands of years ago. thats of course not what anyone would want to see.
due to technical limitations, people still have to utilize these resources now.
as a result, we must economize them most cleverly. new techniques should be developed and applied to reduce energy cost in industry and daily life. alternative energy should be employed wherever possible. eradicate any practice that wastes energy.
humans have overcome so many crises in history, and were sure to win this time also.
备考资料:雅思高频词汇汇总6
雅思分类词汇整理:机场
雅思常考的十一类关联词
雅思口语掌握一定词汇量有益处
雅思分类词汇整理:火山爆发-5
雅思分类词汇整理:世贸 2
雅思备考分类词汇:公共标志(5)
备考资料:雅思高频词汇整理(5)
备考资料:雅思高频词汇汇总3
雅思听力实用资料:数学词汇解析3
雅思口语常用名词整理(2)
备考资料:雅思高频词汇整理(2)
雅思分类词汇整理:世贸 4
雅思分类词汇整理:动物 2
雅思口语常用名词整理(3)
雅思备考分类词汇:公共标志(6)
雅思分类词汇整理:动物 1
备考资料:雅思高频词汇整理(4)
雅思备考分类词汇:公共标志(3)
雅思分类词汇整理:教育 4
雅思词汇记忆小方法:比较法
历年雅思考试高频词汇解析-emphasize
雅思备考有关词汇的5个误解
利用日常生活记忆雅思口语词汇
备考资料:雅思高频词汇汇总2
雅思分类词汇整理:纸媒 3
备考资料:雅思高频词汇汇总7
备考资料:雅思高频词汇汇总1
雅思分类词汇整理:度量衡
雅思备考分类词汇:银行交易
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