“Advertising often serves as an indicator for what society considers to be socially acceptable and desirable at the time,” US marketing expert wrote onthe Ad Council’s website.特别是what的用法弄不明白。
It was in that spirit that the UCP were first introduced - to alleviate the confusion caused by individual countries' promoting their own national rules on letter of credit practice.请教老师：介词by后句子成份分析。
By the middle of the 20th century scientists believed they were well onthe way to treating, preventing, or eradicating many of the deadly infectious diseases that had plagued humankind for centuries.为什么句中用了 that 没有用 those 呢，指代的不是复数吗？
...39;s Eve 翻译“除夕”，我认为是错误的：They went to a party on New Year’s Eve. 除夕他们去参加晚会。We are having a party on New Year’s Eve. 我们将举行除夕晚会。There were a large number of DUI arrests on New Year’s Eve. 除夕夜有许多酒后驾车被捕的...
...ay, when he arrived at Spain's team news conference and made a beeline for the stenographer to shake the hand of the person who would be typing up the transcript of the Q-and-A session for reporters. 这句话的as when这个as 引导定语从句，它指代in such gestures吗？
...适，认为......该勾销)
等。例如：
Can we accept his account as the true
version ? 我们能相信他说的是事实吗？（摘自《牛津高阶英汉双解词典》第9版p.10）
Many of the poor acknowledged him as
their spiritual leader. 许多穷苦人都把他视为他们的精神...
The pendulum has swung from learner centered progressive education to an emphasis on structured intellectual discipline to calls for radical reform in the direction of openness to the recently rally to go back to basics.老师好，请问最后to go back to basics作什么成分？如果是定语，...
Restaurants can offer a choice of music along with the various food
choices onthe menu, allowing customers more control over the atmosphere in
which they are dining. 这里为什么不能用to allow呢？
This is a moving spectacle, for crowds of people stand onthe shore watching the lanterns drifting away until they can be seen no more.老师，watching the lanterns drifting away里的the lanters drifting away是动名词的复合结构作watching的宾语吗，这种写作手法有什么特别用...
老师好：请教一下。1）The radio only weighs a few ounces and is smaller than a cigarette packet...2）They talked onthe phone for more than an hour.在这两句话中，than a cigarette packet...是不是充当句子的比较状语？than an hour是不是充当more的定语？
...nbsp;have had limited success vacationing at the lake as less salty lagoons (泻湖) form onthe outer edges from hot springs flowing into Lake Natron。句子翻译，另外本句中“vacationing”和“vacation”都可做名词，有...
While on a hiking trip, our cooks prepare delicious meals.While listening to the radio, she fell asleep.If asked to answer the question, please speak louder.老师说状语从句主从句主语一致从句省略主谓，这三个句子都是吗？可是第三个句子主语是什么呢