精选优质文档-倾情为你奉上英语作文主题词汇【篇一:2016考研英语:作文主题词汇精选】 2016考研英语:作文主题词汇精选 ? 环保:environmental protection low carbon economy 低碳经济 un climate change conference in copenhagen哥本哈根联合国气候变化会议greenhouse effect温室效应 confront the threat of global warming(面临全球变暖的威胁) to reduce the petrol engine exhaust emissions 减少(汽车)的尾气排放environment- friendly society (生态型社会) contaminate the environment 污染环境? natural resources(自然资源) energy conservation and environmental protection (节能环保) biological balance (