“主句+more...than+从句” 比较状语从句问题

A developing country usually receives more public aids than ______ a developed country.

A. in B. it receives in C. does D. it does in

问题1: 答案里说 more...than 引导的比较状语从句“前后成分要对等；此处比较对象都为国家”是什么意思？前后成分对等是指than前面是句子后面也是句子，前面是名词后面也要是名词这个意思吗？

问题2: 比较对象是“国家”，那么“国家”这个词所做的成分也要一样吗？在than后面也必须做主语吗？

B选项可不可以改成 it is received in，it指代public aids？

C选项改成it is done in，it指代public aids？

A developing country usually receives more public aids than does a developed country.

比较分句采用了倒装结构，以突出比较分句的主语。如果不倒装则为

A developing country usually receives more public aids than a developed country does/receives,

主句的比较短语more public aids为比较项，其对应项在从句中作宾语必须省略。从句谓语动词receives通常用助动词替代，所以用does。需要说明的是，如果不倒装，谓语动词用does或receives都是可以的，但如果倒装，则只能是does，不能用receives。

曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2022-03-16 21:10

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