问题 before用法

...rred so quickly—this argument seems weak. And how could we ever disprove it?As archaeologist Donald Grayson points out, in other cases where extinction resulted from the quick spread of human hunters—for example, the extinction of the moa, the large flightless bird of New Zealand—archaeologica...

文章 否定的强调句中not的位置在哪里

否定的强调句中not的位置在哪里——兼谈否定的It-分裂句中的语义预设■倪肖丁(西安)《薄冰英语惯用法词典》(薄冰主编，王福祯执行主编,商务印书馆国际有限公司，2009)第434-435页讲述It-强调句（亦称It-分裂句）时指出：对否...

问题 the reason that 如何判断是定语从句还是同位语从句

...cise, your brain releases a chemical, which may make you feel happier.   It's just the reason why exercise is cool !2)The reason that people don't go to them is because they don't trust them. 3)And that is the reason that we so closely monitor the global oil markets.请教专家老师们：有一...

问题 to do 还是 doing

老师们好，麻烦有时间时帮我看看下面几个句子:It's impolite to speak when you're eating.It was considerate of you to whisper it to me in public.It is quite necessary to react quickly to any emergency.这几句话为什么用 to speak?to reactto whisper？为什么不用ing形式？...

问题 关于表语的分析

...天感觉好多了。四、数词作表语She was the first to learn about it. 她是第一个知道的人。五、不定式或ing形式作表语Her job is selling computers. 她的工作是销售电脑。Our next step was to get raw materials ready. 我们下一步是把原料准备好。六、介...

问题 On they struggled...句子分析 on引导从句

...师：On they struggled, fighting, dying, marking every step of the route with their dead. 这个句子的主谓宾等语法结构分别是什么？关联的语法点叫什么？上下文：It was but a small body of survivors that at length escaped from that deadly defile and threw up entrenchments...

问题 It depends on an issue of which is the best.是个什么从句

问题 请教！as happened能用，as it happened能不能用？两本书的讲解似乎有矛盾。见图片

问题 with复合结构问题

Although based in Hangzhou and with 91 percent of its sales in mainland china, it  chose to list its shares in New York.请问老师，Although based in Hangzhou and with 91 percent of its sales in mainland china中with..是介词短语，还是复合结构？

问题 从句疑问(which)

Also unclear is why Microsoft has gone it alone.After all,it has an ad business too,which it says will comply with DNT(do not track) requests,though it is still working out how.这里的which指的是什么？这个which充当的是什么成分？which引导的从句该如何翻译？

问题 强调句判断（这是否是一个强调句？）

老师好：请教一下。It's an interactive feature that lets visitors key in job criteria such as location, title, and salary, then E-mails them when a matching position is posted in the database.问题：这句话是否为强调句，为什么？

问题 through,against,with,across的区别

—Thanks for looking after me ______ my illness, Millie.—Don't mention it. That's what friends are for.A. through   B. against    C. with    D. across请问哪个答案是正确的？为什么？谢谢！！

问题 请问这里的to exploitative employment怎么理解？

原句是It is also a place where some children are exposed,with little or no protection,to exploitative employment.

问题 插入语后谓语动词单复数

And while much of the focus has been on whether people are getting enough, a new survey suggests the timing of our sleep, and whether it aligns with our individual body clocks, is equally important. 请问老师们，此处为何用is？是因为and的部分理解为插入语吗？

问题 句子分析

...er euro-zone ministers bluntly told him they were ready to abandon Greece without proof it could push through painful cuts. 请问老师这里的had only until last night是怎么理解呢？是had only to还是only until last night？我理解的only until是一个固搭仍旧表"直到"的意思...