14. Although the first part of the book is easy, the rest ______.A. are difficult B. has proved difficultC. is supposed difficult D. have been found difficult为什么选B而不选A或别的?为什么这本书的剩余部分不用复数

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14. Although the first part of the book is easy, the rest ______.A. are difficult B. has proved difficultC. is supposed difficult D. have been found difficult为什么选B而不选A或别的?为什么这本书的剩余部分不用复数
14. Although the first part of the book is easy, the rest ______.A. are difficult B. has proved difficultC. is supposed difficult D. have been found difficult
为什么选B而不选A或别的?
为什么这本书的剩余部分不用复数

14. Although the first part of the book is easy, the rest ______.A. are difficult B. has proved difficultC. is supposed difficult D. have been found difficult为什么选B而不选A或别的?为什么这本书的剩余部分不用复数
这是一个由although引导的让步状语从句,the rest指的是剩下的,其实完整的应该是"the rest part of the book",从这里可以看出谓语动词要用单三形式,所以排除A和D选项,
如果选择c,就应该是the rest is supposed to be difficult.短语是"be supposed to be +形容词“
通过这种方式就可以判断B选项是正确选项,明白了吗?
只要认真分析,就能判断.

首先，确定单复数，单数不用讲了，A和D自动排除。C嘛，从这句话的含义上来讲（尽管这本书前面的部分很简单，但是后面的理应很难）很别扭。although表示“尽管，但是”，应该有实质性转折。supposed表示“应该，认为必须”，并不算是实质性的转折，只是一个期望。所以选B，尽管这本书前面的部分很简单，但是后面的证明很难。那为什么这本书的剩余部分不用复数呢因为前面的一部分都不用复数啊。再说是一本书的整...

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首先，确定单复数，单数不用讲了，A和D自动排除。C嘛，从这句话的含义上来讲（尽管这本书前面的部分很简单，但是后面的理应很难）很别扭。although表示“尽管，但是”，应该有实质性转折。supposed表示“应该，认为必须”，并不算是实质性的转折，只是一个期望。所以选B，尽管这本书前面的部分很简单，但是后面的证明很难。

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the rest 是构成一个整体 所以要加的是单数形式，排除A和D

C的话是逻辑不通 和B相比的话 B是已经证实the rest是difficult 可以和前面作对比
而C是根据前面简单直接推论出后面难 没有什么逻辑性

【我自己都解释乱了 希望你看的懂就好...】那为什么这本书的剩余部分不用复数呢the rest 这里是构成一个整体的 就像前面的...

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the rest 是构成一个整体 所以要加的是单数形式，排除A和D

C的话是逻辑不通 和B相比的话 B是已经证实the rest是difficult 可以和前面作对比
而C是根据前面简单直接推论出后面难 没有什么逻辑性

【我自己都解释乱了 希望你看的懂就好...】

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