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问题 practical level是"实际水平"的意思么

A number of economists predict that unemployment will drop to around its lowest practical level in the United States by the end of 2016. But others say employers remain cautious about taking on new workers, and wages are growing at a frustratingly slow pace.practical level是实际水平的意思么...

问题 be of...size用法中介词of的省略问题

The documents are stored in files that are (of) non-standard size. 文件保存在非标准尺寸的文件夹里。请问这句中的介词 of 用还是不用？有何区别？谢谢您！

问题 live 是否能用现在完成进行时

1.“我在这住了10年了”（一直住在这)请问老师是否可以说 I have been living here for ten years?2. He told me that he _________(live) in this village for ten years.再请问老师这句应该填 had lived 还是 had been living? 为什么？

问题 介词from含义和用法

...m应该如何理解，我查询了牛津词典，查到：(a) used to show that sth is prevented （表示防止）使免遭，使免受(b) used to show the reason for sth （表示原因）由于，因为以上句中的from应该是(a)还是(b)呢？ 我不能确定。

问题 to be在句中的用法疑问

Oh, I may have given it a thought once or twice, but my whole career has been in larger organizations. That’s where I have excelled and where I want to be.where I want to be的引导词是where，这里为什么用系动词be， 而不是go呢？

问题 名词所有格的问题

... 19-year-old teenager can imitate the sounds of 50 animals. And it is true that his mother herself cannot distinguish them from the real ___________ (animal).这是一道适当形式填空题，答案是animals'。（这里应该是代表animals' sounds）请问是否名词所有格的功能即可...

问题 虚拟语气中，“主句中的从句”和“从句中的从句”的时态也要变化吗

If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.虚拟语气中，“主句中的从句”和“从句中的从句”的时态也要变化吗比如句子中， were to ask 是对将来表示虚拟，其从句的从句what was in the bottle...

问题 their指代谁(with their permission)

... bunny (兔子) cakes for all its stores throughout Cleveland. It happened that the plant downtown needed eight kids for temporary help during our spring break, for which I had no plans beyond listening to my favorite records. I’d earn minimum wage. I’d see how a factory worked. My parents thoug...

问题 这that部分是定语还是强调

It is not my leg that is itching.请问这里的that is itching 是定语还是强调阿? 怎么区分?

问题 so that的用法

It was a doctor that she introduced herself, and as such she got a VIP card.  老师 请问这个as such（作为）能换成so that （因此）嘛? 

问题 It is agreed that…与Sb is 

...问题（请各位老师不要烦我，谢谢啦）： It’s agreed that…与Sb is agreed that…应该是不同的。 It’s agreed that…中的it为形式主语，that从句为主语从句。 Sb is agreed that…中的sb为句子主语，that从句应该是状...

问题 all that与what互换的疑问

一般认为：all that 与 what 可以换用。如：All that I have is yours. 我拥有的一切都是你的。= What I have is yours. 我拥有的一切都是你的。但是下面这句谚语呢？all that 可以换成 What 吗？All that glitters is not gold. 闪光的并非都是金子。=(?) W...

问题 如何理解这里的定语从句that they might not have ?

Some people who have received the vaccine might decide that they can take on risks that they might not have before.Maybe they want to travel or get that hug from a grandchild remember that the vaccine is still not one hundred percent effective.So it's important to keep up other measures like masking...

问题 tell后面可以直接跟that引导的宾语从句吗

我们一般是说 tell sb that...，但可以不用 sb，而直接跟 that 引导的宾语从句吗？比如：He tells that he likes the girl.

问题 That引导非限制性定语从句

But brain researchers have discovered that when we consciously develop new habits, we create parallel synaptic paths, and even entirely new brain cells, that can jump our trains of thought onto new, innovative tracks.这里that是引导非限制性定语从句吗？