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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 little 的含义辨析和区分？

They seemed devoted to one another. They had little private jokes of their own which, unintelligible to the outsider, amused them enormously. 1) 句中little可以理解成“几乎没”否定的含义吗？ 为什么？2) 为什么不是..., which...? 上句是 of their own which, unintelligible ...

问题 that引导的是什么从句

Robert Thomson, News Corp’s boss, is certain, for his part, that the Bertelsmann deal will alert trustbusters.老师您好，请问这里的that引导的从句的作用感觉是对表语certain的补充说明，这个从句是作为表语certain的补足语吗？请问这算什么从句呢？

问题 that exchanges covet怎么理解

All that has helped make HKEX more hospitable to the tech firms that exchanges covet.请问这里的that exchanges covet怎么理解？我理解先行词应该是HKEX因为exchanges用了s，但是covet怎么理解呢，它也是个动词啊，我查了词典它没有名词性质啊。

问题 动名词可以作宾语补足语吗

...+ 名词 （即名词作宾语补语）He considers himself an expert on the subject. 他认为自己是这门学科的专家。如果说动名词是名词性质，那为什么有人说动名词不能做宾语补足语呢，因为名词也可以做宾语补足语啊谢谢老师解答

问题 whether后是否为强调句

Others are unsure whether it was the United States or Mexico that decided not to send back families with young children.我自己判断是强调句。又觉得it是人称代词，指代后面的美国或墨西哥，但that作专有名词的限制性定语又解释不通了。谢谢各位大咖专家...

问题 which 引导非限制性定语从句

The album will be released soon. And it is said that there is a accordion in it, which I think has a very pleasant sound.请问这句话中which引导先行词accordion的用法对吗？

问题 extent to which后面是定语从句吗

the amount, level, or extent to which something happens or is present这是新牛津对degree的解释，请问which后面的是定语从句吗?请老师分析一下!

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 如何对所有格进行强调

...胞胎”这个强调句该如何写？同样地，如果想对One leg of the table is broken.中的one leg进行强调，表达“这个桌子断掉的是一条腿。”这个强调句又该如何写？

问题 专八改错: and的问题

专八改错: and的问题The percentage of residents born in a state is positively correlated with smoking and obesity, as well as deaths from cardiovascular disease....这里deaths前面需要加with，请问and后面什么结构可以省略什么不可以呢？像with不可省，那to。do的to...

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 不定式做目的状语还是条件状语

老师您好，我请教两个问题：1. I feel terrible, I must see the doctor now. 这两句为什么可以连着用？因为口语吗？2. To make an omelet，you need a few eggs. 不定式作目的状语还是条件状语？谢谢！

问题 关于without的非谓语结构

Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around you head.对于上面这个例句，请教各位老师：1. 这里的to help能否换成helping？为什么？2. to help circulate air作gravity的补足语，还是gravity的定语...