单选题
Which of the following is NOT the reason why small green plants are very important to dry places?
【正确答案】
C
【答案解析】本题为细节辨认题.由文章第二段"Plants help keep water in the earth"可以得出 A 和 D 正确; 而该段"Plants do not let the wind blow the dirt away"和B完全一致从而午出的正确答案为C