以下是引用arundhati在2004-6-19 16:39:00的发言: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 economical
答案是E,可我觉得这个比较得补出they do, 因为比较得是知道的多少,为一个动作。另外,这个would的补出有必要吗?谢谢! 这题本人认为选A,但是E项如果是economic就是最佳答案 首先economic无疑,是“经济因素”而非“便宜因素”, 其次more修饰的是know的宾语而非谓语know(可以从deal一词看出来),相同主谓结构省略为宜。 此外would更好,因为作者是拿一种设想与现在“now”比较,而would have本来就有表推测之意。 所以E项economical如果改成economic则选E,不改就只能将就选A了
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