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问题 a solid,a clear 修饰名词的含义

The wall is a clear thirty feet high. It was a solid ten years since he left.【请问】这两句里面的名词修饰语，强调的是非常准确的意思（正好有30英尺），还是表达了，说话者认为，大于等于30英尺。词典查不到对应的解释。

问题 可以直接用动词原形作系动词be的表语吗

可以直接用动词原形作系动词be的表语吗The last thing we wanted to do is cause her any more hardship and emotional turmoil.这里为什么cause是原形？

问题 介词短语用法疑问

... already knows it or could learn it faster or better somewhere else,  is such a gross violation of civil liberties.老师好，请问 for about six hours a day, 180 days a year, for about 10 years,  中，180 days a year为什么不加for…

问题 all this与all thes如何区别和理解

In addition to all this there was evolved the theory that light is an electromagnetic disturbance.句中all this 如何理解？ 为什么不是all these ? 既然用了all, 为什么后接this, 而不是these呢？

问题 just right here怎么理解(都有哪些用法)

BBVA（Banco Bilbao Vizcaya）from Argentina says soybeans and iron ore just right here which is used for steel account for 40 to 50 percent of all Brazil’s export to China.just right here怎么理解？都有哪些用法？

问题 desire 后面的that从句是同位语从句还是主语从句

It is our desire that every effort should be made to protect the environment.这句话是主语从句还是同位语从句？类似的句子如何判断？

问题 指示代词this

... to "Who told the news to the teacher?" EXCEPT_____.A. Jim did this. B. Jim did so. C. Jim did that. D. Jim did.这道题选A， B和D选项都懂。问题是，A和C选项，解析说, that用于指代上文；this用于指代下文。不是很能理解，之前常见的例如：One of th...

问题 algorithm that learns, tabula rasa, superhuman pro

A long-standing goal of artificial intelligence is an algorithm that learns, tabula rasa, superhuman proficiency in challenging domains.其中tabula rasa是插入语么？在这是什么意思？

问题 非谓语分析

...ction of Jair Bolsonaro,often referred to as Brazil's version of Trump,is the latest example of this trend.这里的过去分词短语是做前面人名的非限制性定语，还是做状语呢，日常阅读的时候怎样判断呢？

问题 rather 和 fairly 在表示相当时，有什么区别吗？

This book is rather difficult for the juniors , but fairly easy for the seniors.rather 和 fairly 意思都是“相当”，而这个句子前后结构又是一样的，那为什么它要用2个不同的“相当”呢，它们究竟有什么不同吗？

问题 否定词后的连词or与and

There is no room for the pebbles___ the rocks.选项and和or.这是网上一个完型填空。应该用or,表示分别对两者的否定。但是，语法书上有说，有时也见到用and来表示分别对两者否定。请专家老师结合这个完型，谈谈看法，是否存在争议，若...

问题 复杂主语结构的主谓一致问题

...consumers 吗？这是单数吧？Thus, in the American economic system it is the demand of individual consumers, coupled with the desire of businessmen to maximize profits and the desire of individuals to maximize their incomes, that together determine what shall be produced and how resources are u...

问题 系表结构还是被动结构

...命；（2）系表结构，lost是形容词，表示失去的。问题2：is never troubled by such feelings因为有by，所以这句更像被动结构，但我又不太确定是不是系表结构。那么请问怎么区分系表结构还是被动结构，它们是有明显的界线的吗，还是...

问题 关于whatever的特殊用法

...ows, and has achieved whatever work it was in him to do, the fear of death is somewhat abject and ignoble.此句中whatever式充当普通形容词用法吗？那这样的话it was in him to do不应该是that was in him to do吗?主要纠结在 and has achieved whatever work it was in him to do ...

问题 barking、appearing的用法

...现在分词作非谓语当后置定语，我这样理解对吗？Mr.Mage is always keen on appearing his views these years.appear，我查字典，它只有系动词和不及物的用法，这里加了宾语his views，这是个错误的句子吗？原题来自专四习题：