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Practice1-10
10. 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
E.would have to know a great deal more than now about the social and economical
economic 经济的
economical 节约的
比较考点:
1. 谁和谁比
2. 比什么
比较中省略的原则:
相同部分可以省,不同的部分一定不能省。省略之后句子意思不能有歧义。
以上是GMAT精讲精练班语法笔记。
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