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问题 关于完成时的一个疑问

...，也不属于单一的动作。我想了一些表述：I have knocked at the door three times.I have been knocking at the door three times.（但是进行时态又不能和表示次数的状语连用）I knocked at the door three times.请问您上面几种表述有对的吗？

问题 句子理解（一个句子四个介词of）

这是一句课文中的话：Moreover, the performance of a group does not correlate well with the average IQ of the group of even the IQ's of the smartest members. 这句话中第二个IQ为什么要加一个's，还有这句话看不懂是什么意思，竟然有那么多 of?

问题 句子成分划分

He reports that, when speaking, white communicators usually look away from the listener, only periodically glancing at them. They do the opposite when listening.They are expected to look at the speaker all the time. 请问老师这个句子成分如何划分，谢谢老师！

问题 独立主格的逻辑主语问题

【句1】With a lot of problems to settle, the president is having a hard time.【句2】With the experiments carried out, we started new studies.句1 with 独立主格结构中逻辑主语是主句的主语the president，句2 with 独立主格结构中的逻辑主语是分句的名词experiment...

问题 changes by less than 中by的用法和例句

Gravitational waves—ripples in the geometry of space-time—are analogous to electromagnetic waves. The challenge in trying to observe these waves directly is that they are extremely weak. To make waves large enough to be detectable, the most voilent events in the universe are required: supernova ...

问题 英语长句中的省略(涉及not...but...)

The rise of anti-happy art almost exactly tracks the emergence of mass media , and with it , a commercial culture in which happiness is not just an ideal but an ideology.网上的解析是：这句话有省略，应该是 The rise of anti-happy art almost exactly tracks the emergence of mass media ,...

问题 关于副词做宾补的理解

...副词多位于宾语之前。如:He took off his raincoat as soon as he got home.他一到家就脱下了雨衣。Copy down all the examples written on the blackboard by the teacher. 把老师写在黑板上的例子都抄下来。Will you bring in those chairs we left in the yard?你把留在院...

问题 分词构成的复合形容词小结

...lish-speaking countries说英语的国家整个短语相当于：people in these countries speak English。（people in these）countries作speak的主语。English作speak的宾语。ice-thawing visit 融冰之旅整个短语相当于：The visit can thaw the ice. visit作thaw的主语，ice作thaw...

问题 annual income that exceeded $31,850定语从句理解

1. According to a tax rate formula for a certain year, the amount of tax owed by an individual whose annual income was between $31,850 and $77,100 was equal to a base tax of $4,386 plus 24 percent of the annual income that exceeded $31,850. According to this formula, what was the amount of tax owed ...

问题 plot and character是什么意思

...析和翻译下面一句（2011年天津卷高考英语阅读C篇)Across the US, stories emerged of parents and children reading to each other at night and strangers chatting away on the bus about plot and character. 请分析一下句子结构和翻译一下句子，尤其是  plot a...

问题 难句分析

After all,what is the one modern form of expression almost completely dedicated to depicting happiness? Advertising.The rise of anti-happy art almost exactly tracks the emergence of mass media,and with it,a commercial culture in which happiness is not just an ideal but an ideology.问1：红色这...

问题 可否直接说estimated £30 million

The bequest is con-servatively estimated at £30 million.请教老师，estimated 后为何要用介词at？除了介词at，可否用其他介词？谢谢老师。 

问题 定语从句中of which的用法分析

Mizhi is the only one of the five sites of which there was a clear record of its specific location: to the south of the Weihe River. The site's location fits with this record, according to You.请老师分析一下定语从句中的of which,大意理解，就是句子结构分析不太清晰。谢...

问题 of的理解

The Barb has maybe a day of battery power left.无法理解这个句子的of，有以下问题：1.这个of battery power left语法结构上是定语吗，如果按定语翻译为“余下电池能量的一天”，这感觉逻辑不通。2.这个of是所属关系吗，如果是所属关系(等于a...

问题 如何区分不定式是目的状语还是定语

It means the opportunity to make a good life.请教老师：1. 此句不定式是目的状语还是后置定语？如何区别？和冠词the, a (opportunity) 有关吗？2. 如果是定语，可否用of来替代to，即：It means the opportunity of making a good life.3. 脱离这个例句来说，...