the deficiency which I note in chief lies in the fact that what I had meant to be the main，while explicitly enough stated in the book, remains for every practical end indiscernible.
如何理解这里的main名词意思？
Advertising media like direct mail, radio, television and newspapers_____to increase the sales of industrial products.A.have been usedB.will be used请问选哪一个？为什么不选另一个？
Romance and language sang songs to me, and I was inspired to be, like him, not a hero nor even a poet, but a Greek scholar, and thus an instrument on which beautiful words might play. 这句话中的and thus…是什么成分？
The basis of representation therein shall be reduced in the proportion which the number of such male citizens shall bear to the whole number of male citizens twenty-one years of age in such state.分不清这个定语从句中which, bear和to the whole number的结构。
...英汉双解词典》2017年1月第1版p.44）
She reluctantly agreed to be interviewed. 她勉强同意接受采访。（同上）
He readily agreed to do what they wanted him to do. 他很乐意地答应了他们的要求。（同上）
They agreed not to oppose her nomination. 他们同意不...
...忘了东西在我的公交车上。●None of them got up early on Sunday because they had nothing
to do. 他们周日都没早起，因为他们无事可做。●Somebody said that he
had seen this kind of tree somewhere in
the countryside.
有人说他在乡下某处见过这种树。●When my h...
...考英语-全国1卷-阅读理解D【寻求原文出处】The connection
between people and plants has long been the subject of scientific research.
Recent studies have found positive effects. A study conducted in Youngstown, Ohio,
for example, discovered that greener areas of the city experienced l...
...cky pastry. At
exactly that moment, the telephone rang. Nothing could have been more annoying. I picked up the receiver between
two sticky fingers and was dismayed when I recognized the voice of Helen Bates.
It took me ten minutes to persuade her to ring back later. At last I hung up
the receiver. W...
Straitford's briefs don't sound likethe usual Washington back-and-forthing, whereby agencies avoid dramaticdeclarations on the chance they might be wrong.whereby什么意思？句子中的 agencies 指代 Straitford 还是 usual Washington？求解释!
To be successful, the program would need to receive about seven times as much money as it currently receives.这句话是什么意思？是说项目需要收到7倍于当下的利润，还是说项目需要7倍于当下的投入？