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问题 temperature后面为什么有 at which

For some substances， such as steel，the temperature at which it becomes a liquid is much higher.请问temperature 后面为什么有at？这个which是指代steel吗？

问题 句型分析（涉及when从句等）

句子后半部分 when 从句中 were consider 和 had …won 怎么理解？The list of candidates is half what it was before the Nov.2 election,when prominent Democrats such as  former Treasury Secretary Robert Rubin were considered hot prospects had Sen.John Kerry won the White House.

问题 Not that的用法

...，把not that放在了后面，并且把后面的but省略了。原句是(It is )not that we are...，but that we are..可以这样理解吗？谢谢老师！

问题 easy reading的用法疑问

牛津词典例句:For all its clarity of style, the book is not easy reading. 这本书虽然文体清晰，但读起来并不容易。为什么后面是easy reading 呢？这是主动表被动吗？如果是，为什么不是easy to read呢？麻烦老师对easy reading 从主动表被动和d...

问题 disperse the world over中over的用法

Thousands of its fighters have dispersed the world over.请问老师，这里的over是介词后置吗？不然意思讲不通。

问题 raining还是rainy

In his free time, he enjoys what he likes. In his garden, he grows all kinds of flowers. He has a green thumb, doesn't he? When it is______(下雨) , he takes pleasure in looking at his flowers by the garden. Or sometimes he picks some flowers to his wife as a gift.

问题 为什么这里用虚拟语气(should) arrive

It's essential that he (should) arrive on time老师， 为什么这里用虚拟语气(should) arrive ? 虚拟语气表示虚拟的意思，但这里怎么理解“虚拟”含义呢？老师能否把原理深入讲一下呢？

问题 that和when作关系副词互换的疑问？

You have presented an inch or two of it to my examination all the time that you have been talking.以上that是when的意思吗？可以替换吗?

问题 形式主语的问题

...语时，不能使用外置结构。上述说法有没有例外？不能说it is my job to teach them computer science？上述说法是不是对应这样一种实际情况：一些主语从句（或主语为非谓语动词形式）和复合宾语，尽管主语和宾语很长，但不能采用形...

问题 不定式做宾补还是目的状语的区别

It even monitors online activity to check that Ian’s children are doing their homework. to check... 是做宾补还是目的状语啊?

问题 形容词+to do 相关疑问

To fool him is easy for us.For us to fool him is easy.He is easy for us to fool.He is easy to fool for us.It is easy for us to fool him.

问题 that从句是什么成分

...是ordinary discourse的同位语从句吗？请翻译一下句子意思。It was about the beginning of November, 1880, that I, among the rest of my neighbours, heard in ordinary discourse that the plague was returned again in Holland.

问题 句子分析

...od.But sometimes I wonder if there were some cool animals that didn't make it on to the boat.这句话中on to the boat里面on是作副词修饰介词短语to the boat,表示在船上吗？如果是这样为什么不直接用 on the boat,这两者有什么区别吗？同时我在有道词典上看...

问题 虚拟语气的主句用过去将来时和过去将来进行时的区别

If the weather had been more comfortable, the crops would be growing still better.If the weather had been more comfortable, the crops would grow still better.老师，以上同为虚拟语气，但两个句子的区别是什么？

问题 shade over作什么成分

...ai from five hours to a shade over one hour, while a deep-water channel is being built along the Yangtze to allow 50,000-tonne ships access to Nanjing from the East China Sea. 新建的基础设施进一步提高了生产力。 一条350公里/小时的子弹列车将上海之旅的旅行时间从...