问题 The bookcase is wider than it is tall.分析比较分句的成分？

The bookcase is wider than it is tall.主句比较项是wider, 那么该比较对应项在比较分句than分句中必须省略，但是我的困惑是：than it is tall 似乎不缺成分呀？如何理解than it is tall不缺成分，以及如何理解主句比较项wider在than分句中必须省...

话题 1 is to 2 what 3 is to 4

问题 But that is not all there is to it. 怎么理解

The idea of education as a field of  a expertise gives  the ignorant  an insuperable advantage over the learned  . But that is not all there is to it. Education was itself shaped by subversives.老师好，But that is not all there is to it. 怎么理解？完全看不懂……

问题 It is as much yours as it is mine.

...journal（笔记本）给了另一个可以托付的人，同时说：It is as much yours as it is mine. 搜遍全网也没有找到这个句型的分析，尊敬的曹老师，我个人理解是：it is yours. It is mine. 第二个as是连词引导比较状语从句，第一个as为程度副词 ...

问题 It is suspected that...和It is doubted that...的区别

请问：It is suspected that... 和 It is doubted that...有何区别？哪一个才是比较正宗的句型？

问题 as shown, as it is shown 和 as is shown

想请问老师，as shown, as it is shown 和 as is shown三个表达中as各作什么成分，谢谢！

问题 A is to B, what C is to D.

A is to B, what C is to D.A 对于B就相当于C对于D不太懂这个句子的成分及what的作用。

问题 That is用法

He sacrifices himself to his country, that is, he is a hero. That is可以连接两个句子吗？that is的逗号是否可以改为句号?

问题 This is why…还是That is why…

这句为何用的是 this is why…? 而不是 that’s why… 呢？我们平常不是都说 that’s why…吗？这样用有什么特别之处吗？This is why the local people proudly call their town “Dayan”, meaning the Town of the Big Ink Stone.材料来源：北师大高中英语教材...

问题 My name is Tom与Tom is my name的区别

My name is Tom与Tom is my name 两句话意思一样吗？盼望专家老师就该问题为学生解惑，非常感谢您!

问题 It is in 1990 when...与it is 1990 when...的区别

It is in 1990 when she left和It is 1990 when she left. 老师，这两个句子有什么区别？谢谢老师！

问题 It is he who is a teacher.为什么是正确的

It is he who is a teacher. 他是老师。这句话为什么是正确的啊？

问题 如何理解Here is what it is.表达的意思

Well, it’s official, the so-called Google-phone is coming to T-mobile stores nationwide starting Oct. 22nd. Here is what it is. The phone actually isn’t manufactured by Google’s going to be made by a company called HTC, but it does run on an operating system that was developed by Google called...

文章 This is the same watch as I lost有没有错

This is the same watch as I lost有没有错■倪肖丁（西安）《薄冰英语常见共性问题解答（商务版2008）》（以下简称《问题解答》）在324页讲解the same…that…与the same…as…的用法区别时指出：可以说This is the same watch that I lost，但不可...

问题 A is to B what C is to D句式里，what的作用

Reading is to the mind what food is to the body.参考译文：读书之于思维犹如粮食之于身体。问题：A is to B what C is to D句式里，what是作为连词吗？类似as？这里的what是特殊用法还是也适用于其他句子？谢谢~