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标题: 老题，又错了.GWD-1-32 [打印本页]

作者: bluewindow2008 时间: 2005-1-15 19:06
标题: 老题，又错了.GWD-1-32

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

偶选D，答案是E。

望帮我重复一下以前的讨论啊。谢谢啦！

[此贴子已经被作者于2005-1-15 19:27:42编辑过]

作者: 三脚猫 时间: 2005-1-15 21:50

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