To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
A. have to know a great deal more than now about the social and economic
B. have to know a great deal more than they do now about the social and economical
C. would have to know a great deal more than they do now about the social and economical
D. would have to know a great deal more than they do now about the social and economic D
E. would have to know a great deal more than now about the social and economic
看了好多讨论帖,但有个问题不明白~请教大家:
demographers have to konw a great deal more than... 中a great deal of与more都是什么成分?
a great deal是n.么?是的话就是konw的宾语? 还是more本身是作为know的宾语,表数量
好多人貌似认为a great deal是名词,那么more是修饰great deal的adj.,还是修饰know的adv.?
谢谢~!作者: trtwarrior 时间: 2011-8-22 06:27