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2020届人教版高考英语选修6练习:Unit4Globalwarming
选修6 Unit 4 Global warming Ⅰ.阅读理解 A Nature has its own way of balancing itself out, but when we humans get involved, we tend to throw things out of control. Forests and oceans are natural carbon sinks that absorb carbon dioxide from the atmosphere, but since we查看更多