标题: GWD1-32 疑问 [打印本页] 作者: nicchasedream 时间: 2011-5-30 23:21 标题: GWD1-32 疑问 Q32: To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility. have to know a great deal more than now about the social and economic have to know a great deal more than they do now about the social and economical would have to know a great deal more than they do now about the social and economical would have to know a great deal more than they do now about the social and economic would have to know a great deal more than now about the social and economic 新东方的答案是D, 综合比较结构和词义上的差别，综合会选择D. 但是对于have to 和would have to 的运用不明白，非得用虚拟么？ 请教各位大虾作者: MarsTOF 时间: 2011-5-30 23:24
我觉得不一定吧 B如果economical变成economic我觉得也对。。作者: nicchasedream 时间: 2011-5-30 23:37
这个题目比较绕，好像讨论了很久都没个最终的答案，我也觉得have to 和would 都可。前者表对事实的陈述肯定，后者表假设情况