找到约 40000 条结果

问题 before使用了过去完成时，主句是否应该也要正确使用过去完成时呢

Before he had entered the institute, Jim served in the army.为什么当before使用过去完成时的时候，主句为什么不用过去完成时呢？主句的动作显然发生在before从句动作之前，按理主句应该用过去完成时呀！？所以我的疑问是我提问的句子，bef...

问题 as在句子中的成分，as引导的定语从句

...ons in size, shape, chemistry, conduction speed, excitation threshold, and the like as had been demonstrated in nerve cells remained negligible in significance for any possible correlation with the manifold dimensions of mental experience.这句话书里面将such as的组合解释为such thing as...

问题 不定式做非谓语的独立主格与现在分词有何区别？

...征是表示动作的正在进行？这句话：nothing like a bus crash to make you realize how quickly things could change, i gotta take my chance.是不是不定式做原因状语？

问题 either…or, neither…nor连接句子

...但not only后面的句子要用部分倒装）：Not only did he promise to do it, but he did it.他不但答应做，而且做了。Not only doe she speak English but also French. 他不仅说英语，而且还说法语。Not only did he turn up late, he also forgot his books. 他不仅...

问题 难句分析(涉及that引导的定语从句的先行词以及代词they的指代)

There is a more fundamental question: is there a better system for creating incentives to produce life-saving medicines priced at a level that means they can reach everyone?请问：(1) that 引导的定语从句的先行词是？(2) they 指的是？

问题 break up与break down作分解时的区别

...料里做到一个语法填空题：Wastes here are sorted out and taken to a factory,where they are broken ____ for recycling use.我填的down，答案给的是up，后来去网上查，但还是不太清楚，有人说break up是化学变化，break down是物理变化，但是我觉得这道题...

问题 能否两个不定式做目的状语（不并列）

...说明了一个句子不能有两个目的状语。按照该文的说法，to create a customized  career plan也可以是process of introspection的定语。但我觉得做定语意思不太对，“反省过程创造个性化的职业生涯”，“指导处于职业初期的科学家”目的是...

问题 关于虚拟语气的主过从过与主现从过的问题

①If he had not been promoted,he would never have remained with the company. ②If he had not been promoted,he would never remain with the company. 这两句的意思有区别吗？ 是不是第一句的 主句用的是would have done 代表的意思是 如果他没有被提升，他就...

问题 that possible是什么用法

我在TOEFL长难句资料上看到这样一句话：During the 1940's electron microscopes routinely achieved resolution better than that possible with a visible light microscope, while the performance of x-ray microscopes resisted improvement． resolution：分辨率。 我的疑惑...

问题 jumped up scare...哪一个是谓语？非谓语是什么？起什么语法作用？

...ping dog jumped up scared out of its wits, and barked itself crazy at the turmoil.1）a sleeping dog jumped up scared out of its wits： 请分析2个动作jumped up scared这一块，哪一个是谓语？非谓语是什么？起什么语法作用？2）barked itself crazy at the turmoil. 这...

问题 关于"odds"这个词的一个翻译问题

"if they can overcome the odds and make it big,you can too."上下文在我附的图片里。这句话里，odds到底该怎么翻译比较合适呢？我自己尝试了几种:①胜算:"如果他们可以克服胜算并把胜算做大，那么你也可以"     "克服胜算"这个搭配好像怪...

问题 for介词短语用作前面名词的后置定语,还是表目的.

1）Do you have any plans for the weekend ?2）My school has fewer weeks off for the summer holiday than Mike's.3）I have one hour for my hobbies at most every week.4）I have one hour for playing computer games every week.5）We have an hour for homework. (比较We have an hour of homwork.)上面...

问题 one thousand times’ failure 和 one time’s failure 是否正确

我在前面的一个问题中发现有下面这个句子：The rich can live through one thousand times’ failure, but the poor can't live through one time’s failure.我总感觉 one thousand times’ failure 和 one time’s failure 的用法有些奇怪。请问这样的所有格用得对吗...

问题 不定式完成态和进行态的使用

...前的一般时态”还是“之前的完成时态呢”？比如he seems to have been ill.这个不定式完成态是表示1.that he was ill then,即那时病了，现在病没病不知道，只是纯粹的表示之前一般动作。还是2.that he has been ill,过去生病，现在还病着，即...

问题 for whose future I will work hard中for whose是什么成分

I love my boys,for whose future I need to work hard.这句话for whose future是什么成分？为什么用whose代替boys？能否具体说明？