_____ more Americans are getting married today than ever before, the divorce rate is also on the rise.A. Since B. If C. While D. Once 这题选C，while表示虽然，但是A since表示既然，这里涉及虽然和既然的逻辑区别，不知道老...
...rials is dependent from several parameters, among which the most important are the stress level, confining pressure and moisture content, the Mr value decreases along with the increase in water content为啥among前没有加连词，后面的the Mr前也没加连词，这不是逗号连接分句了...
problem跟的从句是同位从句,那problem跟的介词短语,是不是也对应得叫做同位短语而不是定语?从句:We are faced with the problem what we should do with so much pollution.短语:What's the problem with the computer?You should have no problem with reading this language.
If they who believe in Strickland's greatness are right, the personal narratives of such as knew him in the flesh can hardly be superfluous. 请教老师：这里的such as 是整个用作代词作介词of的主语吗？麻烦老师讲解一下这种such as的用法，谢谢！
What
are the differences between the waste management in Sweden and that of some countries in Africa?句子摘自北师大高中英语必修第三册第8单元(p43)。老师说这里的
that 是替代词？请专家老师分析一下它的用法（最好有例句），谢谢！
...ective percentage of viewers. 这个句子的7%前面不应该有个 which are 么？第三个句子:More visitors stayed at resorts than going backpacking。这个句子里面的than是连词啊，而且他省略的是 visitors , 是不是应该改成go？我很奇怪，期待诸位老师和大神...
Chinese women are twice as generous than their global peers.一般结构不是倍数词+ as…as… 是..几倍的含义，More than + 倍数词+ as…as… 是…几倍不止的意思吗，这句话后面为什么不是as 而是用的than 如果用than的话 前面一般是more而不是a...
...。
Forgive me. I didnt know you were her mother.
为什么不用...you are her mother 呢？明明这是客观事实，且女儿也活着。
还有些句子像是 what I meant was... ，all I did was...
后面可以用 is 吗？我看了些例句都是用的was.
meant ，did 都是是过...
...,droughts,typhoons,earthquakes,landslides,forest fires,or which some are made worse or even caused by human activities这里的or which是打字错误吗，如果不是，or which 是什么用法呢？
说老子的。He accordingly emerged a grown man with a full grey beard and long earlobes, which are a symbol of wisdom and long life。这里emerge各种词典查过了，是不及物动词，为什么后面可以跟宾语a grown man？