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问题 这里的完成时能否替代为其他时态

...样用有什么好处呢-The largest change in recent generations has been to our diet, although other critical elements of health — water, exercise, sun exposure, and sleep — also undergoing major shifts. 

问题 这个句子中，function 前用 a 和 the，含义辨析？

It is a function, if not the function, of an adverb to modify verbs.没看懂这句话，麻烦老师讲解一下，谢谢！

问题 关系代词who与which的选择？

句子：She is no looger the sweet girl _____she usedd to be.书中给出的解释是使用which，因为的"the sweet girl"是泛指一类人。但是这里不可以理解为特指的“那个女孩”吗？这样理解的话是不是就应该要用who了？

问题 impression on和impression of 用法有什么区别？

I don’t want to make a bad impression ( ) him. Of后跟事务，on后面跟人物，这种说法对吗？所以这里应该填on??

问题 among other things 怎么理解含义

Backer's group is proposing a climate contract that among other things calls for using technology to remove carbon emissions from fossil fuels.1）among other things 怎么理解含义？2）remove carbon emissions from fossil fules  这个怎么理解意思呢？

问题 walk，go 表示“走”时的区别

如： Can't you walk a little faster?I can walk without the aid of crutches.Excuse me, but I'll have to go now.   You may go, provided your work is done.  

问题 解释句子意思

...何不能against,介词短语也可以做定语.这句子，来自listen to this, 听力中级16课请老师指教

问题 比较级句型理解(than are...)

Speakers who think negatively about themselves and the speech experience are much more likely to be overcome by stage fright than are speakers who think positively请问老师，这个比较级怎么理解？ than 后面的are ... 是省略加倒装吗？能不能直接 than 跟speakers?

问题 句子改错题(as we know it )

Smoking as we know it is hazardous to health. I wish I would quit it. 这是个改错题，应该有一处错误。可学校老师说没错，我觉得第一句应该去掉it。请老师指教，谢谢！

问题 in which的用法

...到in which的用法解释，实在理解不了。Introducing CBS Startup Stories, a new video series in which alumni founders share their entrepreneurial journey, from CBS to where they are today.  CBS是columbia bisuness school.

问题 Rather than用法

句子一：Rather than go straight on to university why not get some work experience first? 句子二：Rather than criticizing your husband, why not find out if there’s something wrong? 问题：rather than有连词又有介词用法，请问从上面两个例句是否可以得出：无论是介...

问题 名词所有格和of 表所属可以互换吗

比如she proved strong enough to do the work of a man.这句话中the work of a man可以等价于a man's work 吗？

问题 为什么不能填 it 而要填 what

After ____ seemed to be a hundred years,I found my audience applauding-I made it. 这里为什么不能填 it 而要填 what？是语法（After词性搭配）的问题还是纯粹语义的问题？

问题 解释一下这句话名词短语中心名词less的用法

It took the researcher two hours less to train the supposedly smarter monkeys.怎么去理解这里less的意思是少花2小时？

问题 was being very depressed的用法不对吗

She was being very depressed when I came to see her.有人说这个句子有问题，说 was being very depressed 用得不对，我不太明白，请专家老师分析一下。