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问题 chairman前面为什么没有冠词

John was elected chairman of the students' union.chairman前面没有冠词，是用了零冠词，还是语境特指，怎样解释它前面没有冠词。我曾经听到过一种说法，主语和宾语位置的名词不能光溜溜的，其他句子成分的名词前面可以没有冠词，...

问题 句子改错(涉及designed for fight)

句子改错，我认为是 designed for fighting, 不知是不是正确，谢谢解答!The body structure that developed in birds over millions of years is well designed for fight, being both lightly in weight and remarkably strong.

问题 well-fed的区分

well-fed原本词性是形容词吧？指吃的好的。The right to be well taken care of and well-fed.在这里此处的是well-fed是feed的过去分词吧？well修饰fed？所以词性要按照句子来理解和判断是什么词性？

问题 in case的用法

Mr Wood, I am here just in case anything out of the ordinary ____.A.happens  B.happen  C.would happen  D.will happen我觉得选B（should） happen更合适，各位老师觉得呢？朗文词典说在较正式的语境中可以用should do，不一定要用现在时。

问题 复合介词短语疑问

...om 410 nanometers, here you'll find violet, to roughly 680 nanometers, the home of red.that引导宾语从句没有谓语？over引导的介词短语，anywhere是修饰谁？from是做介词定语修饰electromagnetic wavelength吗？

问题 请问这里为啥用for,可以用in吗

The PL of a freshly prepared colloidal solution (which shows slight increase duringthe first 24 h) remains unchanged for 2 months in dark conditions

问题 这里的that是什么用法？

"Fool that I was to hold my hand. And you, Watson, see what comes of abandoning your charge! But, by Heaven, if the worst has happened we'll avenge him!"请教老师： Fool that I was 这是一种什么句式？that是什么用法?

问题 especially放句首一定要倒装吗

我在书中看到一个句子:Especially is this the case with designations for type of men in modern society.请问各位老师，是不是especially放句首都必须要倒装？可是查牛津/朗文词典都有提示说是这个词不能放句首？

问题 句子成分分析：过去分词的这种用法对吗

曾看到一位学生写过这样一个句子：He often skipped class, kicked out of school by the headmaster. 请问过去分词kicked做什么成分？符合语法规则么？

问题 被动语态还是主动语态

...什么要使用主动，而不是天文望远镜被发射呢？原段落：The $10 billion infrared telescope launched in December after decades of development and construction, and it thrilled astronomers when it successfully unfolded itself out in space.所以这里为什么要用主动语态呢...

问题 standard既可数又不可数（怎么区分）

比如说生活标准是living standard还是living standards？初中英语教材中有一句话：did homework carefully to meet the standards of a strict teacher，达到严格老师的标准，为什么用复数？

问题 ohter和数字的顺序问题

China's Ministry of Education, in collaboration with seven other authorities, has issued a plan to build a stronger teacher force for the country's basic education system.这里的seven other为什么不能是other seven？数字和other一起修饰名词时，数字一定要在前面吗？

问题 except for是修饰family还是members

Matt named the characters after members of his own family except for Bart.except for是做哪个的后置定语？可以用except代替except for嘛？

问题 but also 是什么含义

...表达什么含义？it这里指代什么？ but also又是什么含义？These misconceptions do not remain isolated but become incorporated into a multifaceted, but organized, conceptual framework, making it and the component ideas, some of which are erroneous, more robust but also accessible to m...

问题 介词的宾语可以是介词短语吗

...动名词、或者代词来充当。 They went there on foot instead of by bus. 句子倒是可以看懂，on foot 和by bus 都是方式状语，但of之后应该是of的宾语吧，可以是by bus吗？ 这个句子应该没错，应该是我孤陋寡闻，要是写成这个样子，...