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问题 怎么理解that is

... stress conditions，IQ was negatively correlated with leadership—that is, it predicted the opposite.这个句子中的that is怎么理解，前面句的IQ与领导能力呈负相关这个意思判断不出IQ预测的是相反的啊，怎么会有that is（也就是说）这个短语在中...

问题 that引导从句分析

...ll be needing some drops to treat this very contagious infection, of which there are some three million cases a year, according to the Mayo Clinic.例句中的the those正确吗？that引导的是什么从句？谢谢老师的解答。

问题 句子中间的同位语前面可以只有逗号

There’s no change to collective bargaining at the USPS, a major omission considering that personnel accounts for 80 percent of the agency’s costs.为什么considering前没有逗号？

问题 it is related……用法疑问

Only a few years ago, it is related, as soon as envoys sat to dine, “stealth boasting” would start. 老师好，it is related在句子里是什么意思？

问题 Here is some...的说法正确吗

Here is some useful tips.请问这里的 here is some...用得对吗? 感觉应该用 here are some.. 才对吧。 

问题 一般式和过去式能在一个句子里同时用吗

...般式和过去式能在一个句子里同时用吗？She pull her clothes on and went to school. 她匆匆忙忙地穿上衣服上学去了。这个句子可以改为下面这样的句子吗？She pull her clothes on and she went to school.

问题 句子成分分析

...子没有过去时间参照为什么直接用了过去完成时？ 3.Life on Earth developed using potassium, carbon, and calcium, but it could just as easily have been arsenic, silicon, and iron. To us, this looks like a machine, but on this planet, it could be an organism. 这句话有个as easil...

问题 介词及从句（为什么是to which而不是for which）

Specifically, the authors found that the modern era is unique in the extent to which creatures with larger body sizes are being preferentially targeted for extinction.请问为什么是to which,而不是for which？

问题 请问如何判断一个名词后出现的完整句子是同位语还是定语

Have you ever been in a situation______you know the other person is right yet you cannot agree with him? 正确答案是where，为什么要把后面看作定语，填where，把后面看作同位语填that为什么不可以？

问题 表示伴随为什么只能用 go 而不能用accompany

... the rule for reciporcation and the sense of obligation that _____ with it is its pervasiveness in human culture.这里为什么只能填 goes, 而不能填 accompanies，不都是表示伴随吗？我查了 accompanies 的释意 to happen or appear with something else，不知道为什么不可能...

问题 might be to do sth 结构疑问

..."family".They chose two dead languages that are over 3000 years old.  One is Linear B, which they compared with Greek. Linear B was first understood in 1953, butresearchers say this is first time it has been translated by a computer. The next goal for the team might be to try translating Linear A.U...

问题 It is said that...的翻译问题

老师好！It is said that...据说...，据谁说呢？这句型省略的by sb. 具体是什么？It is said that Bob is a hard-working person by Zhang Wei. 我可以这样说吗？据张伟所说，Bob是个勤勉的人。(Bob是个勤勉的人，这话被张伟所说)

问题 as a dog does 这里的does指的是pines away at the door of my hut 吗？

... away at the door of my hut, as a dog does at his master's grave, if I had not set his mind at rest about my safety."老师：1）who would certainly have pined away...这里是虚拟语气还是推测呢？我认为是虚拟语气。2）as a dog does 这里的does指的是pines away at the door of ...

问题 in that 还是 in which

It put us in a special place with customers in that they could come to the site and get honest and comprehensive请问老师，如何理解 in that ? that后面从句不缺成分，这里是把当成in which一样吗？还是 in只是副词，that后是主语，代指it？ 

问题 if虚拟should do vs were to do

_________,we will leave without herA.If she were to fail to come on time B. Should she fail to come on time 老师请问，这题我刚开始选有点犹豫，最后选的是B。是不是因为都是将来的虚拟，但（if）should有“万一”的意味，所以比A跟更合适...