找到约 60000 条结果

问题 in介词做方式状语

Proteins are found in  plant and animal foods in a variety of concentrations.意思是蛋白质以不同的浓度（含量）存在于动植物食品中。这句子中第一个in介词做地点状语，而第二个in是介词做方式状语修饰主语proteins，对不对？

问题 Had we done so用法

关于掷骰子：Had we done so, each of us would have had about 50% heads.其中Had we done so,看不懂，这是什么结构呢?

问题 如何判断是分词还是动词(worked)

在牛津词典上看到shift有如下解释：a peroid of time worked by a group workers who start work as another group finishes.请问老师，如何判断 worked 是过去分词还是动词？

问题 did sightseeing是什么用法

Kristin Diehl conducted a series of experiments on photo-taking to find out whether people enjoyed it when they did sightseeing.过去式did后面为什么用ing形式（有did doing句型吗）？

问题 再谈wide open与open widely

...了。现重发如下，供大家参考： He would like to sleep, with the window ______. 答案为 wide open。请问 open widely 为什么不行? 此处副词 widely 修饰形容词 open，我感觉放在后面也可以。请解释一下，谢谢。 （个人按：这个问题如果这样...

问题 考查across,through用法区别的选择题

...：across 有 on 的意思，through 有 in 的意思。但在 swim across the river 中，为什么不用 through 呢？这应该是在水里游啊！Their eyes met _______ a crowded room.A. across         B. over          C. along       &...

问题 系表结构中副修饰语的位置(涉及get rapidly worse等）

Latest reports from the capital suggest that conditions there are ______.A. getting rapidly worseB. getting worse rapidly请问哪个词序是对的，或是两个都是对的？谢谢！

问题 can't be doing sth表示什么时候在做某事

我对下面句子中的 can't be telling 的用法不太理解：If he said that, he can’t be telling the truth.我的疑问是：为什么不用 can't have been telling 呢？前面的 said 不是表明这是在谈论过去情况吗？

问题 难句中 collaborate 和 point down on 的理解问题

Then to collaborate their findings, they went to points further down on Columbus voyage, then backtracked according to the log nottions and again found that they landed not on Professor Morrison's Watling Island but on Samana Cay.这里的 collaborate 肯定不是“协作”的意思，它还...

问题 catch sb doing sth与catch sb do sth的用法

catch sb doing sth 是肯定可以用的，但是 catch sb do sth 的用法也有吗？比如说：He caught her cheating in the exam.句子中的 cheating 改为 cheat 也可以吗？

问题 ...came back heroes 的语法分析(省略了as还是 heroes作状语)

《火星救援》英文版第一章有一句话：The Ares1 crew did their thing and came back heroes.最后 came back heroes 是省略了 as 还是 heroes 名词作状语。如果是，是哪种语法现象，哪本书有详细讲解。

问题 how引导并列宾语从句的用法疑惑

...状语吗？using its fangs /  using spurs on its anklesTo give examples, the author describes how a rattlesnake injects its toxin using its fangs, and a male platypus delivers its toxin using spurs on its ankles.

问题 breakfast, lunch, supper可用much修饰吗

breakfast, lunch, supper 可用 much 修饰吗？可以用 little, a lot of 等修饰吗？

问题 一个句子可以有两个谓语吗

A history of long and effortless success can be a dreadful handicap, but, if properly handled, it may become a driving force. 这样一个句子不是有两个谓语了吗，can be 和 may become？

问题 句子结构问题

As I had lost a lot of blood, and it was extremely cold, I was sick and weak. 请问一下各位老师，这个句子第一个and怎么把as引导的从句和I was extremely cold这个主句并列起来了，主句和从句地位不平等，怎么能并列呢。后面I was sick…又来了一套主...