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问题 most of which等的用法疑问

You usually do not need to take pills for vitamins, _____ can be obtained from the food you eat. A. most of the vitamins B. most of which C. as most of which D. most of them 请教各位老师，这道题是否选B，谢谢。

问题 句首的 on / in doing sth 可以去掉介词吗

On going into the kitchen,I turned on the light because it was dark.In winding itself round the wires,the snake had send sparks to the ground and this caused the fire.这两句话逗号前是状语从句吗，在现在分词前为什么要加一个介词，可以去掉吗?

问题 the doctors可用于泛指所有医生吗

网上有这样一个句子： At one time the doctors couldn't cure people of TB. 医生曾经不能治疗结核病。 老师分析说它是错的，因为带定冠词的复数名词只能表特指，不能用于泛指，所以句中的the doctors应改为doctors（即去掉the），因...

问题 seem 和seemed的区别

It seemed as if the night would never end. 这里可以用seems吗The young girl seems much better this morning. 这句明明是今天早上为什么用seems.还有下面这两句. 明明意思差不多.   然而一个用seemed 一个用seems.  It seemed that nobody kne...

问题 except的用法

散文108篇中，丑石。有一句：except at the time when wheat was harvested...请问老师:1. except在这里是不是作介词，把at the time看作宾语。2.能不能把at the time去掉，用except when引导宾语从句？

问题 不同时态的arrive 和 will arrive 含义区分

......If you are lucky enough to get a sleeper, you spend half the night staring at the small blue light in the ceiling, or fumbling to find you ticket for inspection. Inevitably you arrive at your destination almost exhausted.......The journey is so smooth that there is nothing to prevent you from ...

问题 for those to have an impact if they do...请老师分析这里的语

This is the curfews came into effect in 10 French cities including here Paris from Midnight on Friday.It's going to take some time though for those to have an impact if they do on the number of new cases.搞不清语法成分和句意：for those to have an impact if they do ...麻烦老师逐...

问题 Where 的成分

Reader's Digest看到这样一句话：Where at first all that was demanded of him in school was a sign, now Matthew's teachers wanted a sign plus a vocalization of the word the sign represented.请问老师，此处的where 该怎么理解？是第一句中主语从句的一部分吗？

问题 名词从句与动名词、不定式的转化的讨论

...1. that引导的主语从句与动名词1） It surprised us that John won the marathon.=That John won the marathon surprised us.=John's winning the marathon surprised us.2） That he lost the game came as a surprise to everybody.= His losing the game came as a surprise to everybody.2. that引导的...

问题 关于look up at中状语的疑问

He looked up at the sky.He is flying down to London from Scotland.请教老师这两句的up,down是地点状语表去向，at the sky与to London 为目的状语，这样理解对吗。

问题 一个复杂长中的三个疑问(as...as,where,by which)

If we give up the idea that higher levels are literally constructed out of lower level elements, as I think we must, then it becomes much more natural to consider even such abstract systems of representation as transformational structure (where each utterance is represented by the seq...

问题 关于定从中关系代词前介词的选用

For many cities in the world, there is no room to spread out further,________New York is an example.A.for whichB.in whichC.of whichD.from which1.这道题应该选B还是C呢？in和of和among这三者表示部分与整体间的所属关系时有什么区别？2.For many cities in the world这整句...

问题 阅读题中的一些句子分析

...e fast-slowing productivity rates in most industrial countries a sign that the age of peak growth——the 30 glorious years of postwar France——is over for us，soon for China too，as the mega-manufacturer of iPad etc.，Foxconn，shifts output towards cheaper India?1.这段话我是这样理...

问题 独立主格结构辨析

1、If the tradition of ambition is to have vitality , it must be widely shared ; and it especially must be highly regarded by people who are themselves admired , the educated not least among them.问题1：请教曹老师，the educated not least among them.这个结构是省略being的独立主格...

问题 现在分词的的逻辑主语

...doing 的逻辑主语。1. Qu Yuan raised a series of questions concerning the sky, stars, natural phenomena, myths and the real world, reflecting his doubts about traditional ideas and his pursuit of truths. 这里的representing 的逻辑主语是前面整个句子吗？2. Experts consider it the ...