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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 这是as引导的比较状语从句吗

The scientists say that solar panels covering just 30% of the lakes could save as much water as 300,000 people would use in a year.这个句子中as 300,000 people would use in a year是as引导的比较状语从句吗？

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 文章中情态动词的含义与用法

You can add 10,000 hours for each decade you have lived after the age of 20.(1) Calculate for a moment what could be done with even a part of those hours. Five thousand hours，i  am told, are what a typical college undergraduate spends working on a bachelor's degree. (2) In 10,000 hours you could...

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 look up questions中的up是什么词性

老师您好，请问 LOOK UP 表“抬头看”时，up 做副词吗？另外 LOOK UP 表“查阅”时，如：look up the word in the dictionary，这句中UP的词性是什么？感谢！

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 帮我分析下这个长句的各个具体成分。

If we are successful, in one great step our two nations will have been able to ease one of the greatest sources of tension in international affairs: that between the developed and developing worlds.

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）