第35题: [单项选择]What does the writer think about the creation of new desert areas A. It is a natural development. B. The problem is not very serious. C. It is a very worrying problem. D. The situation will improve in tim 参考答案:C 答案解析:文章最后一句话作者是这样写的“At this rate there is a high risk that we will be confined to living on only 50% of t