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问题 不定冠词的用法

... method for the detection of trace amount of poisonous susbstances in milk and meat products is to be popularized in a country embarrassed by the scandals of clenbuterol and melamine contamination in food.请问"tace amount"前面为什么可以不加不定冠词"a"？

问题 ability的用法

...it causes them to think of the word in their language first and then English. This slows down their _____________(能力) to think and speak in English.答案是ability.我觉得填abilities, 因为后面“思考和说英语”，这是两方面的能力啊？况且前面有their。ability不可...

问题 句子成分分析

...more of an impact on the art community than any of them could individually and to promote Western art by women. 在这句话中，than…individually是做impact的定语，and…women应该与making more…community处于同等地位。那为什么后面是to promote，而不是promoting呢？

问题 句子分析

It's hard to miss them: The epitome of casual 'geek chic' and organised within the warranty of their Palm Pilots, they sip labour-intensive café lattes, chat on sleek cellphones and ponder the road to enlightenment. 请问老师organised within the warranty of their Palm Pilots该怎么理解呢? o...

问题 破折号后面的one指代什么

请问此句中的one 是什么用法？ 指代什么？Like most people, you no doubt want a secure future for yourself and your family​ — one of happiness, good health, peace, and prosperity.

问题 to 应该和谁搭配？

Each may have private information about its value, clues to which are revealed in the course of the auction.老师您好，请问to which里的to 我在定语从句里并没有找到适合他的位置啊

问题 unless 可以引导虚拟语气吗

老师您好，我遇到了一个句子：These ships would have had to return empty, unless their captains were able to pick up a return cargo. 这里主句是一个虚拟语气，为什么unless引导的从句不用虚拟语气呢？

问题 不定式作什么句子成分

The media love to portray us all as eye candy, but actually we all have our own personalities.请问to portray us all 在句子中是做什么成分?

问题 句子结构

So can the movements of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.这句话前面是根据上文省略了动词并且倒装了吗，后面when这里为什么有逗...

问题 求助选择题一道（涉及句子结构的理解）

_______ need for new schools following the Second WORLD WAR that provided the sustained thrust for the architectual program in Columbus, Indiana.A. Since the         B. To be the            C. The           D. It wa...

问题 在复杂句中如何判断when从句是修饰主句还是从句

下面这个句子如何翻译？She felt again the same exhilaration that she had felt when she first saw her newborn baby. 这里的 when she first saw her newborn baby 是修饰哪个句子的？是修饰 that she had felt？还是修饰 She felt again the same exhilaration？谢谢！

问题 介词短语做何成份

老师您好，The Hubble will tell us a great deal about the age and size of the universe.请问：本句中a great deal表示“大量”，我理解为状语，把它当成副词看，修饰动词tell。本句中介词短语about the age and size of the universe在此句中的成份是什么？...

问题 based on 的成分——过去分词作状语吗

Matter is grouped based on looks and actions.请问老师：based on looks and actions 在这里是作状语修饰动词grouped吗？

问题 Susan is what is known as...的理解

Susan is ______ as an "addlehead"----she always leaves her key on the door. A who is known B which is known C whom is known D what is known 这道题为什么不能选ABC? 像I don't know ____ she is. 这里填who/whom? 作表语的引导词可以用whom...

问题 rather than后面接动词原形还是动词ing形式

比较下面的例句，说明rather than后面接动词原形还是动词ing形式？牛津9词典：Why didn't you ask for help, rather than trying to do it on your own? 你干吗非得自己干，而不请人帮忙？麦克米伦词典：Rather than criticizing your husband, why not find out if t...