标题: 难题求助 [打印本页] 作者: mahatma 时间: 2010-9-12 23:44 标题: 难题求助 In the 1980's the rate of increase of the minority population of the US was nearly twice as fast as the 1970's. 其他选项 错误 很明显 就两个有些不明白 twice what it was in twice as fast as it was in 其中有一个是正确的作者: newalan 时间: 2010-9-14 18:07
当然选 twice as fast as it was in，前一个的比较结构都没了作者: 制约与平衡 时间: 2010-9-14 19:03 http://forum.chasedream.com/GMAT_SC/thread-31796-1-1.html 在这里讨论过了