标题: 蓝皮书的一个问题 [打印本页] 作者: anyany024 时间: 2012-2-25 13:43 标题: 蓝皮书的一个问题 Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth's atmosphere even more rapidly than carbon dioxide during the next fifty years. (A) to warm the Earth's atmosphere even more rapidly than carbon dioxide during the next fifty years (B) to warm the Earth's atmosphere even more rapidly over the next fifty years than carbon dioxide will
就问一下A为什么不对，是错在during the next fifty years上么。作者: anyany024 时间: 2012-2-26 11:05
