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问题 how long before什么意思

how long before they turn their guns in the other direction（他们还要倒戈多久） how long 本身就可以表示多久，为什么要加一个before？是“在……之前有多久”的意思？

问题 句子成分

Many adults may think they are getting enough shut-eye,but in a major sleep study almost 80 percent of respondents admitted to not getting their prescribed amount of nightly rest. 请问老师这个句子成分如何划分，句子开头为何会有think /are getting两个谓语动词呢？ 还有...

问题 uncomfortable后接doing是什么用法？

-He was clearly uncomfortable talking to me.-He is uncomfortable talking to everyone.这里talking是现在分词还是动名词？它修饰的是uncomfortable吗？能否认为talking前面是否省略了in？

问题 to 应该和谁搭配？

Each may have private information about its value, clues to which are revealed in the course of the auction.老师您好，请问to which里的to 我在定语从句里并没有找到适合他的位置啊

问题 关于up的疑问

...看：For more than 10 years, suicide rates among students aged 10 and up in the U.S. have been on the rise. 10多年来，美国10岁及以上学生的自杀率一直在上升。请问这里的up是什么词性？省略了什么成份？谢谢老师！

问题 action的翻译

In March, 2014 the HRC approved China’s actions after receiving HRC’s second Universal Period Review for China.译文：2014年3月，中国接受第二轮国别人权审查报告获得人权理事会核可。问：这句译文中其他我都能理解，唯独把actions翻译为报告，这我...

问题 句子中非句成分理解

The touchdown wrapped up the Shenzhou 13 mission, which spent a national-record six months in orbit, the vast majority of it aboard Tianhe.如何理解 the vast majority of it abroad Tianhe 这一非句成分在句子中的作用？他是属于名词做状语吗？

问题 悬空不定式问题

Of course, the only place to look was in books.老师您好，看到您之前的回答，了解到悬空不定式的概念。我想请问一下：这里的 to look 是否也是您说的悬空不定式,应该是 look for 呢？不定式短语在句中做 place 的定语呢？非常期待并感谢老...

问题 tells 后面of 是什么用法

老师您好！上面红色下划线：caught是什么意思?means being中 mean后面为什么要用being ?tells 后面of 是什么用法?of being in control of 中of being是什么用法?

问题 forward作何成分

In the long jump, competitors have to jump as far forward as possible.这里的 far 和 forward 都是副词，两个副词叠用作状语，常见吗？jump as far forward as possible 可以理解为 jump forward as far as possible 和 jump far as forward as possible 吗？

问题 这里的as 有什么意义（可否省略）

The interspaces are wider in the back as compared to the front.背部比前面的肋间隙更宽这里的as 有什么意义, 可否刪除?

问题 never的位置

 When she was that little girl in Pennsylvania,Rachel Carson never would have believed that years later she would write a scientific book that would stir up so much controversy. never的位置可以在情态动词前吗？这样是强调的用法吗？ 在情态动词后是不是也可以...

问题 名词单复数的用法疑问

为什么第一个 cell 用了复数，第二个 cell 却用了单数？A further reason is to obtain a supply of stem cells which can develop into every other type of cell in the body.

问题 分析句子中的语法和重点

It's also the first film to taste success both in terms of box office earnings and promoting Chinese values.各位大佬，帮忙分析一下句子中的语法和重点，谢谢！

问题 and 并列成分的判断

Most of the patients are elderly people with chronic articular diseases, like arthritis and ocular problems in particular. 大多数患者是患有慢性关节疾病的老年人，特别是关节炎和眼部问题。请问这句话里面and是并列的哪两个成分？