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问题 man, woman 用不用冠词的问题

man 和 woman 作为可数名词，它有时前面不用冠词，觉得很奇怪。如：Man has a free will. 人有自由的意志。Man is engaged in a constant struggle with Nature. 人与大自然进行不懈的斗争。麻烦老师解答一下，谢谢！

问题 still 还是 yet

Original text:At the age of twelve years, the human body is at its most vigorous. It has yet to reach its full size and strength, and its owner his or her full intelligence; but at this age the likelihood of death is least.____ reached its full size and strength.(a) It hasn't before (b) It hasn't ev...

问题 介词 despite 可以连用 be 吗

The portion of Americans aged 18 to 29 who claim to have had no sex for 12 months has more than doubled in a decade—to 23% last year. That is, counter-intuitively, despite the removal of many impediments to sex.介词 despite可以连用 be 吗？比如最后一句话。

问题 on 在难句中的用法

The auditor should obtain written representations from  management on matters material to the financial  statements when other sufficient appropriate audit  evidence cannot reasonably be expected to exist.请问大神on在这句话中的含义和作用？

问题 as介词短语作什么成分

The equation is a representation of x[n] as a linear combination.  请问一下老师，这句话中as a linear  combination 这个介词短语是什么句子成分？这个短语是修饰representation呢还是修饰x[n]呢？我个人推测是定语，但不知道修饰前面哪个名词。

问题 定语从句可以用of whose吗

以下两句话：This is my mother. 和 Amy is a friend of hers. 其中hers指的是my mother's. 请问这两句话可以合并成 This is my mother, of whose Amy is a friend. 吗？如果不行的话该如何合并呢？

问题 为什么主语用to do 而不是doing

... development and eradicate hunger and poverty remains a major challenge of the world and a common responsibility of mankind。促进农业发展，消除饥饿和贫困，依然是世界面临的重大挑战，也是全人类肩负的共同责任。请问为什么是“ To promote agricultural deve...

问题 Kaplan the butler 是什么成分

Kaplan the butler held a can of gasoline—he called it petrol 句中的 Kaplan the butler 是什么成分 怎么理解呢，同位语么？不可能啊？

问题 disappearance后面怎么是by

这里应该用of吧？比如：Police are investigating the disappearance of a young woman.警方正在调查一名年轻女子的失踪案。

问题 句中是否有错

...er disinterested in global business or, staffed by bureaucrats and stuffed with bad debts, are uncompetitive abroad.1、uncompetitive前面的are是否应该去掉？2、 staffed by bureaucrats and stuffed with bad debts理解为伴随状语或原因状语都可以吗？

问题 be pushing 50 是什么意思

I don't think he's very young, he must be pushing 50.句中的 be pushing 50 是什么意思？是大约50岁吗？谢谢解释！

问题 several 表示“多少个”（可以表示“两个”吗）

several 通常翻译成“几个”，它可以表示“两个”吗？比如一个人只有两本词典，他可以笼统地说 I have several dictionaries 吗？

问题 不定式做状语还是宾语补足语

I have never known it to snow in July before.这里的不定式做什么成分？做状语？宾语补足语？

问题 修饰范围

...宾短语后跟副词，有观点认为副词修饰整个动宾结构。如I play football well.认为well修饰play football这个动宾结构。可是从定义上讲副词修饰的只是动词，我们是不是应该认为well只是修饰动词play的，play well的对象是宾语football。如果...

问题 定语从句还是同位语从句

You have no idea how complicated this situation is.You have no idea how worried I was.这种句子怎么分辨定语从句还是同位语从句？有什么简单有效的辨别方式吗？