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问题 chalk做名词时是不可数名词吗

到我查牛津词典居然有a box of colored chalks的表达，那么这个表达a box of colored chalk不对吗？按道理说chalks应该表示不同种类的粉笔呀？就像foods一样的道理?母语者更倾向用那种表达？

问题 修饰一个人的同位语从句要不要加冠词

比如，Bill Harper, publisher of this journal,这里publisher不用加冠词a 但是另一句 Dr.Jeffery, a professor of nutrition science, 这里professor前面为什么可以加a

问题 there's been 和there was 区别？

there has been a lot of rain this summer.there was a lot of rain this summer.there's been 和there was两者有啥区别？

问题 动名词还是现在分词

And it is used for business notes, planning activities, keeping track of scheduled appointments, or documenting what has already happened. Some doctors suggest that writing in a diary is a good form of self-study.老师您好！第一个标粗的documenting为什么不是动名词，or后面就一...

问题 什么情况下主语后可以直接跟过去分词

A field of struggling rookies sown so that some year soon we can reap an October harvest.请问A field of struggling rookies sown属于什么结构，为什么要用sown，是表示已经种下了的状态吗，求老师解答!

问题 如何翻译：两件20公斤的行李

...件20公斤的行李。He was told to be allowed to carry two 20-kg pieces of luggage.He was told to be allowed to carry two pieces of 20-kg luggage.上面两句哪句对？重点是“两件20公斤的行李”如何翻译？尤其是 20-kg 的位置是什么地方？是放在 pieces 前还是放...

问题 关于短语介词的一些提问

...e with you.而有的却好像不适合两种分析  如  because of,  in oder to ,   in case of 等等， 这种好像只能看作整体去理解， 是这样的么？

问题 many more和much more的用法区别

...吗？如：I have much more books than you.这句话对吗？类似的：They built a much larger house for the old man. They built much larger houses for us.这两句话正确吗？此时much是修饰其后的比较级（more和larger）而不是修饰后面的复数名词（books和houses）。...

问题 这个save是介词还是连词

Yet only one of his books is now in print, and his vast body of writings on music is unknown save to specialists. 上述句子中，在牛津字典中有 unknown to sb 这个用法，to 应该是介词吧？save 放在 to specialists 前，是“除了”的意思，但字典中有介词和连词两...

问题 关于同位语和限定词的问题

of+n表示同位语的意思时，可以例举吗？比如：various essential items: a lantern, a sleeping bag, food, water, and a flashlight能否写成various essential items of a lantern, a sleeping bag, food, water, and a flashlight

问题 英语难句分析

...d dark chocolate can be. For now, if you're already enjoying a decent dose of your favorite dark chocolate, you can have some peace of mind knowing your sweets can potentially improve your gains. 请问这里的time will only tell和only time will tell有区别吗？如果按照字面翻译“时...

文章 名词作定语时是用单数还是复数

...石桥）等；有时它又可以用作后置定语，比如a report about/of books（一场读书报告）、an institute of languages（一所语言学院）等。近日，我国外语高校名称的英语翻译引起了人们的热烈争论，就是名词修饰其他单数名词时是用单数还...

问题 six floors high 的句子成分

Erected in 1824,this gothic building of store and steel was stacked six floors high on a foundation of granite.这里还原一下stack building six floors high，six floors high是宾补吗？six floors作为名词修饰形容词high?

问题 请分析宾语补足语的词性

...m merely citing his reaction as typical of British industry 我仅以他为例来说明英国工业界的典型反应。typical of British industry 这个短语不是形容词短语吗？as应该是介词才对吧？这里应该如何...

问题 区分动名词和现在分词（2）

...思是：“驾驶飞机有时可能会很危险。a. If you walk too near the runway, landing planes are dangerous.如果你走得离飞机跑道太近的话，正在降落的飞机会对你很危险。b. If you've been trained as a pilot, landing planes is an easy job.如果你作为飞行员受...