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问题 do sth for preparation与do sth for preparations的区别

下面句子中的 preparation 为什么不用复数？During exam time we have a special programme that tells students the things they should do for preparation.来自：译林版高中英语模块一Unit 1

问题 介词短语做定语与修饰的名词间不能有逗号

Some philosophers argue that rights exist only within a social contract，as part of an exchange of duties and entitlements.请问：as part of an exchange of duties and entitlements 做什么成分的，修饰什么的，谢谢？有几种观点（做宾语从句定语、做宾语从句主语补足...

问题 过去完成时与过去进行时的辨别

I'm well aware that I shouldn't have got angry with John一He           me; he really meant it for the best.A. hadn't been criticizingB. hadn't criticizedC. wasn't criticizingD. wouldn't criticize老师，这道题目为什么B不可以，既然s...

问题 相请教你，the customer’s buying decision是inform，inspire

Brochures, posters and packaging are effective ways to provide a combination of moving and static visual impact with the most versatile applications. Brochures inform, posters inspire and packaging validates the customer’s buying decision.

问题 The Tragedy of Y与The Adventure of the Teakwood分析

The Tragedy of YThe Adventure of the Teakwood这两个短语都是of所有格吗？还是 of表示关于，类似 a photo of Elizabeth 一张伊丽莎白的相片？

问题 主谓一致（one of +复数名次+定语从句，从句的谓语用单数还是复数）

One of the students who ____ to the authority about the problem of pollution raised his hand. A.have written C.has written C.writes  不是说one of +复数名次+定语从句，从句的谓语用复数吗？

问题 be thankful for something 和sb 的区别

be thankful for something 和sb 的区别，我应该怎么去理解，下面有几个例句We need to  be  thankful  for  everything we have.And we should  be  thankful  for  him.And you must have a lot to be thankful for yourself.I'm also thankful for yo...

问题 when引导的时间状语分句和主句的位置关系？

章振邦高级英语语法497页：说当when用于after意义时，通常是when引导的时间状语分句在前，主句在后，例如:When I arrived, Anne leftWhen we returned from our holidays, we found our house in a mess.并说，以上2句when=after.请教老师：当when用于after意义...

问题 as加职称是否属于零冠词用法

1.作为一名....，通常情况下是“As a/an＋职称，主句”这种结构，但是也有as后面用零冠词情况的，可是职称前面用零冠词的规则是“表示职位，尤指一人担任的职位的名词做表语、补足语或同位语时，习惯上将不定冠词省略”，...

问题 take over在这里为什么不加宾语呢？是不是它在这里是副词take变成不及物了呢

Try not to let negative thoughts take over.

问题 This brand of air conditioner usually dehumidifies in about 45 seconds of power up.

...”持续45秒啊。但是，这个句子的答案是“ After powering on, this brand of air conditioner takes about 45 seconds to begin to humidify. ”（就是这里指大约45秒开始“除湿”）言外之意就是，大约45秒 “开始做延续性动作”。这个答案是没有错的...

问题 weigh down by…Jefferies的成分分析

Shares of U.S.-listed Baidu tumbled 6.4 percent on Tuesday, or about $4 billion by value, weighed down by earnings and target price downgrades from Citi and Jefferies, while the widespread sharing of Fang's article sparked concerns over its advertising practices. 这里的weighed down by…...

问题 难句分析理解(within the films of the...做什么成分)

I would expect more quantitative informtion about charge propagation dynamics within the films of the hierarchically deposited (grown) flowers on nickel foam.这句话是什么意思了？如何理解，请教老师!

问题 表示疾病的名词前用什么冠词

第一句：Healthy care plans are needed in all big cities to prevent ______ spreadof AIDS. 空内填the。 第二句：In ______ review of 44 studies, American researchers found that menand women who ate six key foods daily cut the risk of _______ heart disease by79%. 空内分别填“...

问题 作文中such as...etc的用法对不对

下面是我的作文中的一个句子： Many Chinese students are facing a number of physical problems, such as obesity, and short-sightedness, etc. 我想表达的意思是：许多中国学生面临着肥胖、近视等一系列身体问题。 老师说我的句子有问题，因为 such as 不...