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问题 同一个词出现两次是省略先出现的还是后出现的

...略先出现的还是后出现的问题，提供了两个例句：（1）The concentration of K reached the highest at the beginning of reaction but decreased to the lowest value.（2）By comparing Case B with CO2 to H without (Fig. 13), it can be seen that the concentration of Fe in the N2 experim...

问题 为什么是different而不是differently

老师您好！请问：In an attempt to find out how different creatures see the world, psychologists at Brown University in the USA have been comparing the behaviour of birds and humans. 句中(这个是试题原句)为什么是different而不是differently呢？

问题 the more profitable做宾补，它的成分是形容词还是名词

Falls in marginal tax rates in American since the 1970s have made it all the more profitable to work longer.自20世纪70年代美国降低了边际税率以来，人们延长劳动时间变得越发核算了。老师，the more profitable不清楚这是什么用法，他做什么成分呢，为什...

问题 likely to do的分析

With a second pact covering nuclear weapons likely to expire in two years, the risks of confrontation are growing. with sth doing后的likely to do这里是做结果状语吗，表示有可能失效？

问题 in fall 与 in the fall（在秋季）到底能不能省略冠词

in fall 与 in the fall（在秋季）到底能不能省略冠词？这个问题，人们的观点好像不一样。有人认为必须用定冠词，有人认为可以不用定冠词。连用定冠词的 in the fall 例句很多，能找到 in fall 的例句吗？我说的是纸质词典或语法书...

问题 句子翻译和成分分析

The GOP nominee has gone from obscuring how little he pays in tax to arguing that it qualifies him to fix the system.

问题 since 从句be动词的时态理解含义

老师您好！1）The surface feature has remained in popular culture since the image of the "Face on Mars" was known.可否说成...since the image of the "Face on Mars" "has been" known 用现在完成时呢？2）语法书上说She has never written to me since I was at this school. 自从我“...

问题 是否有be used to do sth这种表达形式(used是形容词表示“习惯了的”)

以下两句均出自《动物庄园》1. The bits, the nose-rings, the dog-chains, the cruel knives with which Mr. Jones had been used to castrate the pigs and lambs, were all flung down the well.因为castrate是动词原型，所以按be use to习惯于来解不对，按use to曾经来解，那...

问题 强调句中的that可以省略吗

According to a recent study in the Journal of Consumer Research, both the size and consumption habits of our eating companions can influence our food intake. And contrary to existing research that says you should avoid eating with heavier people who order large portions, it’s the beanpoles with bi...

问题 since的用法

老师您好，在经济学人看到一篇题目为：‘Time to end the academic arms race’的文章，其中有一点中有这样一句话：“As more young people seek degrees, the returns both to them and to governments are lower. Employers demand degrees for jobs that never required them in ...

问题 这是非谓语的虚拟用法吗

It is time that the children were in bed.=It is time for the children to be in bed.上文第二句是虚拟吗？因为两句相等，同时第一句还是虚拟，所以第二句会不会也是虚拟。谢谢回答。

问题 come to sb doing sth 算是句型吗

...re not easy to find and fast food restaurants outnumber grocery stores. “The kids literally come to school with bags of snacks and large bottles of soft drinks,” she says. “They come to us thinking vegetables are awful, dirt is awful, insects are awful.” Though some are initially scared of t...

问题 介词 despite 可以连用 be 吗

The portion of Americans aged 18 to 29 who claim to have had no sex for 12 months has more than doubled in a decade—to 23% last year. That is, counter-intuitively, despite the removal of many impediments to sex.介词 despite可以连用 be 吗？比如最后一句话。

问题 for anyone living to eat it 是实际主语还是状语

In the early morning, the food that had been laid out for the dead is thrown into a river or into the sea as it is considered unlucky for anyone living to eat it. as it is considered unlucky for anyone living to eat it.这个状语从句中：我的理解是：it 主语，指的是food；is conside...

问题 for whom...分析

While the weather might be cooling off - and social gatherings evaporating - Gucci wants to ensure everyone can still dress up nicely at a moment's notice.That includes man, for whom the famous designer brand have created a frock for in their latest fashion collection.请问老师：逗号后面的...