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问题 for whom是引导定语从句吗

The effect was especially pronounced for lower performing students, for whom exposure to struggling stories led to significantly better science-class performance than low-performing students who read achievement stories.这个句中的for whom是引导定语从句吗？我理解whom是exposure的定...

问题 如何理解retain

Speakers of these cultures often read oral presentations from carefully retain manual scripts. 这句话里面read是谓语可是 from后面为什么出现了一个retain?

问题 定语

...短语做定语时，有关介词的选择问题，比如有的时候觉得of. for都可以，对介词的选择就有点拿不准。介词的选择是有什么具体的标准还是只要意思到达即可？这次提问没有给具体的案例，不知道这个问题问的是不是太大了，谢...

问题 关于时态would choose 还是 chose 的困惑？

Looking about him, O'Donnell wondered why anyone - wealthy or not - would choose to live in such surroundings.根据句意，我不明白为什么会有would出现，我感觉应该将would choose改成chose一般过去时才合适。可是上句却使用了would choose - 过去将来时， 这...

问题 spend sth doing 中 doing 到底是什么成分（权威依据）

spend sth doing 中 doing 到底是什么成分？关于这个问题，前面有网友提出过，也有老师分析过，但答案并不统一。有人说是宾语（前面省略了介词in），有人说是状语（方面状语或方式状语）。请问有没有哪位能提供一下权威的依...

问题 no less...a...的搭配对吗

It is no less a person than the president.A dolphin is no less a clever animal than a dog.在这些句子中见到了限定词no后和冠词的搭配，觉得奇怪，因为在no such... 后一般直接跟名词，不用冠词的。为什么上面的那两个句子中却在no后有冠词呢？敬请...

问题 damage的单复数与修饰语问题

The storm has caused _____ to this region.A. many damages      B. much damagesC. much damage        D. few damages正确答案C，我选的是B。老师为何 B 不正确呀？烦请指导。谢谢。

问题 情态动词推测用法一道题

He _____ be here soon. He is usually on the time.A. would  B. could   C. should   D. must难道只能C吗？是因为must 语气太过绝对？如 ususally 改为 always，答案会有什么变化？感谢老师的无私指导，同时，把敬意送给刘永科，陈根花等专家...

问题 to live在时间名词后定语要不要介词

The doctors have told him that he has only 6 months to live, but he won’t accept it. 医生告诉他他只能活6个月了，可是他不接受这一诊断。请问这里的 to live 是定语吗？它后面为什么没有介词呢？

问题 as though引导的是什么状语从句

...ugh nothing had happened. 他若无其事地继续讲下去。She spat out the food as though it was poison. 她把吃的东西从嘴里吐出来，好像那是毒药似的。有人认为这里的 as though 是引导方式状语从句，但我没有看明白。请专家解释一下！

问题 这道题为什么不能选一般过去时

Mr.Smith ______ by a large majority vote at the board meeting.A.has turned down               B.was turned downC.has been turned down     D.had been turned down这道题为什么不能选一般过去时？

问题 a solid,a clear 修饰名词的含义

The wall is a clear thirty feet high. It was a solid ten years since he left.【请问】这两句里面的名词修饰语，强调的是非常准确的意思（正好有30英尺），还是表达了，说话者认为，大于等于30英尺。词典查不到对应的解释。

问题 可以直接用动词原形作系动词be的表语吗

可以直接用动词原形作系动词be的表语吗The last thing we wanted to do is cause her any more hardship and emotional turmoil.这里为什么cause是原形？

问题 英文文献中图例的解释性表达

MC-X%-Y and SC-X%-Y represent the MC and SC testing samples with both X% moisture content and Y g/cm³ density, respectively.老师，我想表达的是：MC-X%-Y 和SC-X%-Y分别表示MC 测试样品和SC测试样品具有X%的含水率和Y g/cm³ 的密度。我的表达方式正确吗

问题 taken away this week to much bleating.怎么理解

...enjoy protected benefits, such as free access to the BBC, taken away this week to much bleating.