找到约 30000 条结果

问题 which可否改成as

When deeply absorbed in work, (WHICH) he often was, he would forget all about eating or sleeping.【疑问】which可否改成as？谢谢！

问题 难句逻辑分析

 The conventional theory is that people yawn when bored or sleepy because yawning raises blood oxygen levels, which in turn raises alertness.whchi in turn 在这里不是否定吧？是进一步吗？

问题 非谓语的被动形式

I provide a service that people can do without when they're concerned about saving some dollars. 请问老师concerned在这里做被动语态还是形容词，如何区分呢？

问题 一般过去时与完成时

...理一下。～ Do you know Russian？～Yes, I ________ it for two years when I lived in Harbin.A learned  B  had been learning  C was learning  D have learned答案是A 我想问为什么要用过去时，可不可以用过去完成？另外，现在完成时但凡与过去时作比较时，...

问题 在这一段话里All right, go ahead分别是什么意思？，在How is everybod

... Thank you. Thank you. Thank you, everybody. All right, everybody go ahead and have a seat. How is everybody doing today? (Applause.) How about Tim Spicer? (Applause.) I am here with students at Wakefield High School in Arlington, Virginia. And we’ve got students tuning in from all across America,...

问题 it具体指代的问题.

(1)It was none other than Mary.(2)Somebody suggests staring at once and I strongly object to it.请问各位老师第一句的it是指什么? 如果指人的话,为什么用it而不是she?第二个句的it是指"staring at once" 还是指"Somebody suggests.."这件事?  而...

问题 be enough to do的语法分析

...式复合结构修饰表示结果。句子分析如下：This（主语）, and the good archbishop's impressively prominent nose（插入语）, might be thought（被动语态谓语） more than enough for his peers to have nicknamed him 'nosy Parker'.（主语补足语，中心词为...

问题 过去完成时用法疑问

John was given the same suitcase his father and grandfather ____ (take) with them to school.这里是不是可以填 took / had taken / would take三种？如果用 had taken 的话，会不会被理解为“已经被带去学校，而没带回来”，类似于had gone to 用法？谢谢

问题 分词成分疑问

...gton in the new year, taking control of the U.S. House of Representatives, and passed legislation to reopen all closed government agencies but did not include wall funding.  请问 taking control of the U.S. House of Representatives 我认为是状语，但其他有人认为是定语，究竟...

问题 in what enviroment的结构问题

...ing in elementary grades will be streamlined not only according to ability and IQ but on the basis of tests revealing how an individual brain works best and in what environment.老师，on the basis of tests  revealing how an individual brain works best 是以测试提示的如何使个人大脑效...

问题 still less of the probable shortness of your futur

 If you have wide and keen interests and activities in which you can still be effective, you will have no reason to think about the merely statistical fact of the number of years you have already lived, still less of the probable shortness of your future.  1、still less of the probable sh...

问题 并列成分可以是不同形式吗(比如非谓语和句子)

...ime scales for lab experimental work to test the catalytic impact of zinc, and, because this temperature falls within the temperature range at which Mississippi-Valley type zinc-lead ore deposits are formed.原文如上，出自著名科研期刊Nature Communications里的一篇论文，所以我想...

问题 关于时态的题

They were sitting in the car when up the road _______ two policemen. A.were coming B.came c.had come D.would come 请问各位老师这题应该怎么做？谢谢！！！

问题 过去进行时态问题

Everyone _________   quietly when suddenly the door burst open．（read） 这个答案填was reading，我觉得 is reading 也可以啊！没有规定 burst 一定是过去式形式啊！不理解为什么？请教！

问题 slip into 的用法

原句： Cecilia Martinez was 15 in 1998 when she slipped into Arizona from Mexico. 句中 slipped 的意思是从亚利桑那滑入墨西哥吗？