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问题 这里的过去分词该怎么理解

These molecular chains, each assembled from a menu of 20 types of chemical links called amino acids, do biology’s heavy lifting.老师您好，请问这里的assembled该怎么理解？1.仅仅作为过去分词在这里充当定语2.其前省略了关系代词和助动词be

问题 主句主语作不定式的逻辑宾语

That question is difficult to answer.The car is too expensive to buy.若不定式的逻辑宾语是主句主语或宾语，不定式后是否可以省略？譬如buy和answer后面不用加宾语。

问题 from within为什么两个介词在一起

A small voice called from within.请教一下为什么这句话from和within两个介词为什么能靠在一起。

问题 请教句子成分

...urification tablets to last a day, maybe two.请老师帮忙从传统语法和现代语法分别 分析下这个句子的不定式是什么成分？它修饰的是谁？

问题 being blamed 的用法提问

看到句子Being blamed by his mother made him discouraged.又看到We are being blamed for poor care, but understaffing is the root problem.being blamed 和 to blame 还有 to be blamed 有什么区别？2句中的are being 是什么用法？ 

问题 用rank表示排名时用主动还是被动

用rank表示排名的话，用主动还是被动呢？比如翻译：中国粮食总产量位居世界第一。我觉得“排名…位”和“被排在…位”都说得通啊？

问题 neither…nor…连接的词性

The frozen yogurt I bought was neither frozen nor yogurt, so I asked for a refund.请问老师：neither…nor…连接的词性不是要一致吗？比如neither + noun + nor + noun，但是例句中frozen和yogurt是不同词性啊，这样的用法也是正确的吗？

问题 as much as用法

From his golden toilet (America) to his suspended taxidermy animals, he's built a career on art that's as much about the reaction as the object itself.这句话的as much about和后面的as 怎么理解比较好？

问题 could have done表客观的推测（理论上的可能性）吗

About 200 years later in the 12 th century, this parchment manual script became a palimpsest when a scribe used the parchment to make a prayer book. So the pages, the pieces of parchment themselves, had been preserved. But the Archimedes' text was erased and written over, and no one knew it exis...

问题 critical to与critical for的用法区别

critical to 和 critical for 都可表示“对……极为重要”，两者之间有区别吗？

问题 abrasion to 属于固定搭配吗

He had severe abrasionsto his right cheek. 他的右脸颊有严重的擦伤。He suffered cuts and abrasions to the face. 他的脸上有许多划伤和擦伤。abrasion to 属于固定搭配吗？为什么说擦伤的位置要用 to 呢？

问题 句子成分分析

...at被称为融合/复合关系词，可否这样定义：融合了先行词和关系词的词叫融合关系词？融合关系词引导的分句称为名词性关系分句？

问题 her award表达习惯问题

She's been getting a bit above herself since winning her award.他获奖以来，渐渐有点骄傲了。请问老师，这里的her award 和 the award 或者an award有区别吗？为什么这里要用物主代词呢？一般中文好像不会这么说,英文好像也不常见吧

问题 如何理解absent的被动

...动，I was absent from class yesterday.难道说这就是西方的意识和肉身是分离的终极思想在作怪？意识控制肉身也算被动？这样的单词还有哪些呢？天生就要用被动的动词？

问题 句中on的用法

...chains 中的on 为什么不用 to? 一般不是用pose...to...吗？用on 和 to有什么差别呢？谢谢回答