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标题: 请教OG12--41 !! [打印本页]

作者: emmahsu    时间: 2011-8-21 20:34     标题: 请教OG12--41 !!

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

a great deal 是副词,修饰more,表程度。

你可以把a great deal more理解为是much more的等价。这样便于你理解。。。

不过,在下觉得,这种很细节的结构问题没必要深究
作者: emmahsu    时间: 2011-8-22 21:18

我是这样想的,如果more是konw的宾语的话,那么这个题比对象就是

knowlege,差异在于n.,因此than后不能只写than now,否则就变为比较状语也

就是know的时间了如果more是修饰know,这题就变为比较动词的know的程度,

所以than后省略they do个人觉得就米什么问题了,因为恰好是状语在比较。
根据OG的解释,说是A:than now 错把knowledge和now相比,据此看来,OG应

该是认为是第一种情况,也就是more/a great of是kown的宾语,在比较宾语

而非状语,所以要补they do
是不是理解有点偏~
因为总觉的GMAT里号多题纠结于than后能不能只剩状语~
作者: appleontree    时间: 2011-8-23 06:20

我想问一下economic和economical有什么区别啊?
作者: emmahsu    时间: 2011-8-23 19:46

economic:经济上的。跟经济有关~economical:节俭的。比如很抠门~
两个意思不一样的,字典一下就可以~
作者: dongstar    时间: 2011-8-24 06:23

我也在看这道题    纠结为什么这里they do 不能省略
我没有用lz那么严密的分析方法   不过我觉得a great deal是用来修饰more的




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