找到约 60000 条结果

问题 这里of后的D=50mm合理吗？

Rock cores with a normal diameter of D=50mm are first drilled from a rock block of Neijiang sandstone.请问of后直接跟50mm不可以吗，“D=”是不是多余了？还是在英语论文中这么写是合适的呀？

问题 what做主语要加s吗

I am glad that what come from is real.这里的come需要加s？

问题 英语语料库的使用方法(BNC和COCA)

经常在咱们的柯帕斯英语网看到有老师和网友使用以下语料库：英国国家语料库（BNC）美国当代英语语料库（COCA）我虽然注册了，但不知道怎么用，请哪位有经验的大咖详细介绍一下，谢谢！***********************************************...

问题 should be doing的用法

...这里，should be doing是不是和will be doing相同，都是对未来的单纯预测，只不过使用should和will稍微有差别。如果不是的话，这里为什么用should be doing而不用，should resist表示对将来的预测？这是进行体的什么用法？

问题 make sth easier for sb是词组吗

They have made life much easier for drivers.这些行业的存在给司机们带来了很大方便。这其中是有什么词组吗？make sth easier for sb？ 但是词典里查不到诶!

问题 one warm day前可以加介词 on 吗

One warm day a stranger came to see me.有人说下面句子的 one warm day 前面不能加介词 on，但语法书上不是说表示在某一天要加介词 on 吗？

问题 require的用法

...s basic research.查过牛津，该句require跟明显是作“法律法规的要求”，常用被动，即该句应为a development goals for…… was required. 若用主动，其主语应为law,rule等表示法律法规的词，如The rules require his attendence at the court. 请老师点...

问题 动名词和现在分词鉴别的问题

...，我可不可以看成动名词，选despite是不是动名词having done的使用场景太少了以至于人们常常用他的分词用法？

问题 介词用法疑问(signed by...)

autograph of Andy Murray (signed by China open 2016)今天刷网页看到有人说了这么一句话，不知道这里的 by 用的是否正确？觉得不是应该用 at, in 这类的词么?

问题 小王子第二章中副词、时态、动词用法的疑问

...t in the middle of the desert, a thousand miles from any human habitation. When at last I was able to speak, I said to him:“But– what are you doing here?”我的疑问1：Now I stared at this sudden apparition with my eyes fairly starting out of my head in astonishment.这里fairly副词是修...

问题 分词可以被叫做主动分词和被动分词吗

见到过这样的说法，现在分词应该被叫做主动分词，过去分词应该被叫做被动分词，为什么会这样说？有什么依据，请老师讲解一下，谢谢。

问题 called 可以用作形容词吗

What is their son called?I don't know anyone called Scott.这里的 called 究竟是过去分词还是形容词？牛津词典中的原句，标注为形容词。盼专家老师解惑，谢谢。

问题 被动句不跟宾语吗？

He was left a large sum of money in his uncle's will.如果被动句都不跟宾补，那这“ a large sum of money in his uncle's will" 是句子的什么？

问题 一般现在时和现在完成时含义辨析

...but ever since he moved in, he has had trouble with cars and their owners. When he returns home at night, he always finds that someone has parked a car outside his gate. Because of this, he has not been able to get his own car into his garage even once. Jasper has put up 'No Parking' signs outside h...

问题 虚拟语气主句

Had he worked harder, he  (  ) the exams.A. must have got throughB. would have got throughC. would get throughD. could get through答案B.但我个人认为，从句意和语法来说，任何一个选择都可以。不知道我的理解对吗？麻烦老师分析一下，谢谢！