人教版高中英语:必修4 Unit 2 Working the land 单元练习(含答案).doc
4.2 Working the land
Ⅰ. 阅读理解
A new study published this week in the journal Nature Communications has concluded that a 100 percent change to organic food production in England and Wales would actually lead to a great increase in greenhouse gas emissions. In turn, this would contribute to further cl...