...of the slogans of the first Earth Day was what the pioneering environmentalist Barry Commoner called “The first law of Ecology”—that “Everything Is Connected With Everything Else”.”老师请问破折号之后的是前面那句话的同位语么，我想请问像这种句子用破折号...
"Oh, John, John, have I brought you to this? It is my doing, Sir Henry - all mine. He has done nothing except for my sake and because I asked him."请教老师： nothing except for my sake 这里怎么分析和理解含义? 另外这里的 nothing except for 和 nothing but 有区别吗...
It's uncertain whether the experiment is worth doing 为什么不能用if？既然老师们之前说过在形式主语的主语从句中if/whether都可以，那为什么这里很多选择题答案里面既有if也有whether却只能选whether? be
uncertain 后面用whether 的情况网上很多说...
65% of degradationis caused by too much animal grazing and tree
clearance, constituting 35% and 30% respectively.这句话源自剑桥雅思真题8考官给的写作范文。图中显示35%的土地流失是因为过度放牧，30%是因为滥砍滥发。本句话“constituting...”的逻辑主...
It is a year when our children begin learning to develop an entirely new relationship with the world as they head down the road to independence.请老师讲一下as they head down the road to independence是什么成分和结构？谢谢老师。
...no doubt放在句首，为什么后面没有用倒装呢？
No doubt Tom is the cleverest. 汤姆肯定是最聪明的。
No doubt he was just trying to help. 他多半只是想帮帮忙。
No doubt she had many a tale to tell of the old days. 毫无疑问，她有许多往日的故事要说。
______ these pictures, I couldn’t help thinking of those days when I was in Beijing and ______ from the top of a thirty-storeyed building, Beijing looks more beautiful.
答案是seeing, seen。我的答案是seeing, seeing。为什么啊？谢谢！
...e areas (most affected) and have
drawn up a map for local people, forecasting the year in
which their homes will be swallowed up by the hungry sea. 这句 forecasting 是什么状语？有人说陪衬性状语，有没有官方点说法？为什么不是结果或者时间还是方式状语？
In his opinion, reducing the quantity of things we produce can lead to some people losing their jobs.lead to doing sth 可以理解，这个 lead to sb doing sth 理解不了，望老师解答一下。是因为 losing 作非谓语动词吗？作定语修饰people？
Six million hand driven rivets and 53,000 tonnes of steel were used in its construction.
这里面填的were used 和 have been used 有什么区别呢？ 一个是强调过去的事实 ，一个是和现在还有关注，或者对现在还有影响？ 求指点！
______ the students in our school walk to school every day.A. Nine hundred of B. Hundreds of 我觉得两个都可以，这里表示整体与部分的关系。特指我们学校学生中的九百，或特指我们学校学生中的数百（表示概数）。请专家老师就...
...析是否有误，谢谢！①But he(主语） says（谓语）he does think（宾） that the study should encourage parents to look more closely at the types of games their kids are playing（宾）.②Researchers（主语） at the Indiana University School of Medicine（定语） say （谓语...
托福TPO11阅读2一个句子：If the artificial Sun remained stationary, the birds would shift their direction with respect to it at a rate of about 15 degrees per hour.这里with respect to it感觉去掉也可以，为什么要这么用，此句上一句是 In experimenting with artificial su...
So I reasoned with myself in the morning, and I tell you the direction of my suspicions, however much the result may have shown that they were unfounded.请教老师：however much 中的much语法怎么分析？这里是much of的省略形式，即much of the result 作主语 吗？