2009 四川 第 57 题 单选题 区分题 2009_省自主命题(四川) 57. What might directly cause the loss of the forest according to the text? A. The growing demand for energy to make ethanol.B. The increasing carbon dioxide in the air.C. The greater need for farmland.D. The big change in weather. 参考答案C ☆ 收藏不会,直接看解析查看原卷 →