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问题 宾语从句分析

If Newton lived today, he would be surprised by what __D__ in science and technology. A. had discovered B. had been discovered C. has discovered D. has been discovered 这句算不算宾语从句时态要一致？如果算的话为什么不选B？什么样的宾语从句时...

问题 ever和before连用会导致意思重复吗

Have you ever worked as a cashier before？ever和before 一个曾经，一个之前，意思不会太重复吗？为什么经常看到一个句子同时用它们2个呢？

问题 must的反义疑问句

He must have stayed up late last night, _____he?A mustn't  B needn't   C hasn't  D didn't 请问老师这题为什么选D，做must的反义疑问句思路应该是怎样的？

问题 after being submerged 是被动表示主动吗

She was taken to  the hospital after being submerged in a river.这里的after being submerged是被动表示主动吗？该怎么理解？

问题 leaving 的用法和意义

请帮我分析下句中, leaving 的用法和意义，以及这句话的含义，谢谢。Here a flat-plate, fixed solar collector at the best average tilt angle toward the south will often suffice, leaving only small efficiency improvements to be achieved by the fairly costly tracking or concentra...

问题 memory一词改错探析

...您好 我在做改错题时遇到一个问题:memory now exists behind a screen. Very few is stored in our heads.这句话 参考答案说改few→little 说此处代指memory应该用修饰不可数名词的little.可是我看字典上说的memory在表示“记忆”时也可做可数名词呀...

问题 关于ing只能修饰物吗

ing形容词可以修饰人吗？Smoking is a disgusting habit.He is so disgusted.He is so disgusting？网上都是说ed是修饰人的，ing是修饰物的，但是我看到电影台词有用ing修饰人的。

问题 of和for用法辨析？

Once you click onto a campaign ad., the mining for personal information begins.一旦你点击了竞选广告，他们就会开始挖掘你的个人信息。通常，都是the V-ing of ....这样一种结构。即上句应该是the mining of personal information...?为什么用for呢？

问题 时态用法疑问

As the birth rate decreases and life expectancy increases, there will be shortages in the job market. Consequently, a lot of ex-employees who thought they had finished their careers at 60 or whatever, will be called back to work.请教曹老师： they had finished their careers 这里为什么要...

问题 the historical的理解

That view represents a significant shift from the historical—where the grant of corporate privilege was to advanced public purposes such as building roads, bridges and canals. 请问老师the historical是the +adj.表示一类人或一类物吗？或者这个句子省略了the historical view?请...

问题 插入语和嵌入句

请问老师！A、B、D 分别错在哪？如何理解插入语和嵌入句？A. What do you say that the population of Beijing is?B. How many people do you think to stay here?C. Who do you guess is singing?D. What do you tell that is? 谢谢老师！

问题 China's和Chinese的区别

China's/Chinese ancient buildings had a special preference for symmetry.这句话中，China's和Chinese哪个对？China's是所属结构；根据词典，Chinese意思之一：adj, belonging to or relating to China.

问题 定语从句的介词提前前

One day I happened to stumble upon a textbook reader of ancient classic selected by Wu Ju-lun, of which Volume 4 consisted entirely of ancient songs.定从引导结构应该是 the Volume 4 of which consisted entirely of ancient songs 为啥of which还能进一步提前呢？

问题 with 短语用法分析

She looked just the person for them, though, with her big strong hands and feet; and, judging by her downcast eyes and silence, she was a good worker who would know her place还有就是这里的judging不应该换成过去分词吗？这句话的with 是做表原因的状语吗，这和换成with ...

问题 状语从句的引导词选哪个

The future of that country is hard to predict________ the economic system is reformed.A. only afterB. unlessC. now thatD. as long as这道题应该选什么？很多答案是C，为什么不能选B？