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问题 现在分词是否是作后置定的判断

Now researchers suspect that dreams are part of the mind's emotional thermostat, regulating moods while the brain is off-line.请问，regulating moods 是做thermostat的后置定语的吗？ 

问题 前置定语连字符是否是必须的

...有加上，请问连字符是必须的么？比如：国家二级运动员The second level athletes（百度百科中的标注）与the second-level athletes 哪个正确？

问题 基数词为什么用复数

Such behavior is regarded as all too human, with the underlying assumption that sloth is one of the sevens inherent sins of human being. 1. sevens为什么要加s?2. inherent为什么要在sevens sins中间?3. of human being 短语成分？4. human being为什么要加being而不是直接human?

问题 请问在这里for表示时间的意义

The first officer that they had seen for weeks？for weeks好像提供了一个背景时间？在这个背景时间，一个事件发生，seen the officer。在这里for能表示一个背景时间吗？这是for的什么用法，for不是表示一个动作和状态的持续时间吗？持续的时...

问题 现在分词作时间状语要不要用完成时

老师好！新版人教必修三18页有个习题：From the North Pole, the traveller wrote a book about his experience and had it published the following year.我填的是Having returned，但是我在网上查到了2个相关课件，答案是Returning。我在这个问题（https://www.cpsengli...

问题 management前用不用冠词的问题

...，是不用冠词的，请问这有什么规则吗？比如下面这句：There needs to be a closer dialogue between management and staff.可以这样改一下吗？There needs to be a closer dialogue between the management and the staff.

问题 “餐馆”开业的open用什么语态

...个都对，有什么区别？ A new restaurant has just opened across the road. A new restaurant has just been opened across the road. 按理说应该用被动语态，因为“餐馆”不会自己开业吧！应该人为把它弄得开业，对不对？

问题 ​As a board member for/of....

As a board member for the Internet Security Research Group, she always has her pulse on the industry.这里为什么用for而不是of呢？

问题 ​As a board member for/of....

As a board member for the Internet Security Research Group, she always has her pulse on the industry.这里为什么用for而不是of呢？

问题 2018高考英语全国1卷真​题一句翻译

The median number of speakers is a mere 6,000, which means that half the world’s languages are spoken by fewer people than that. 该句选自2018高考英语全国1卷真题，请教各位老师，该怎么翻译好呢？

问题 out of everday的用法

Another key trend will be 3D-printed food, which will produce “intricate sculptures out of everyday foodstuffs that will look good and will also be used to improve the convenience and the nutritional value of meals”. 请问out of everday在这里修饰谁?做什么成分?

问题 名词性短语放在句首是什么用法

A throwback to an old Prussian museum project, the Humboldt Forum will house, among others, objects from the Ethnological Museum of Berlin.老师好，请问这个短语是作后面句子的同位语吗？（以前看到的都是放在句子后面）

问题 (a) long time的用法

We waited (   ) for the bus．A．long time B．a long timeC．the long time D．some long time这道题为什么选B？A或D为什么不可以呢？答案B中time是表示时间的不可数名词，还是表示一段时间的可数名词呢？

问题 不定冠词与定冠词的用法区别一例

Have you seen a movie The Wandering Earth?Yes,it's such an interesting film.其中an interesting film为什么不是the interesting film?

问题 定冠词和独一无二的名词(world与nature)

world作为独一无二的名词，前面要加 the.nature也是这样的名词，为什么就不加 the?