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问题 逗号用法（as it were为什么前后加逗号）

In more conventional forms of theatre, where each scenographic element is isolated and sub-contracted, as it were, to specialists, each contributor is easily identified.我有两个问题不明白，请问as it were为什么前后加逗号，这个句子成分分析是怎样的？谢谢老师

问题 用 couldn't, wouldn't 开头的疑问句正误判断

请判断下面两句话的对错：Couldn't you lend me some money?Wouldn’t it be quicker to go by train? 有人说第一句不妥，第二句没问题。我不太理解，这是为什么？

文章 “more than”与“less than”

...；不止；以上”，用于此意义时可与over互换使用。如：Altogether more than 70 percent of the surface of our planet is covered by water.“整个说来，我们这个星球的表面有百分之七十以上为水所覆盖。”2. more than 可放在名词之前，表示“不只是...

问题 疾病的前面的冠词怎么用

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

问题 improve用主动语态与被动语态的区别

...he government finished building the subway. A. drive; been improved B. to drive; improved C. drive; improved 我认为A和C都正确，因为improve既是及物动词，又可以作不及物动词，请专家解析一下。谢谢。

问题 “some+数字”中的some什么意思

Speaking before a group of academics from the UK's top think tanks, Premier Li Keqiang says the Chinese government's priority is to improve the lives of some 300 million people who are living below the poverty line by way of urbanization. 李克强总理对来自英国顶级智库的学者...

问题 如何理解句中writing和putting这两个现在分词

Writing in the state-run Granma newspaper, the 89-year-old revolutionary leader rebuffed the American president’s suggestion that the 54-year-old trade embargo be lifted, putting the cold war in the Americas to rest.请问：如何理解句中 writing 和putting 这两个现在分词？

问题 表示头衔称呼的名词前到底用不用冠词

We chose Oliver to be ______ captain of our team because we knew he was ______ bravest leader in our team.A. the;  the         B. a; the        C. the; x          D. a; the答案为 A。表示头衔称呼的名词前面应该不...

问题 years ago为什么与一般现在时连用

下面一句摘自2015年高考英语天津卷的“阅读表达”题：No. I go back years ago, when we lived in a three-room house, when we got up before daylight and worked till after dark to make ends meet. 请问这里的 years ago 为什么是连用一般现在时呢？

问题 复杂句子里as...as是怎么回事呢

...ons arise about the validity of the work as a whole, whether as challenges to its conduct or as evaluations of its influence in the field, a team is a team, and the members should share the credit or the blame.本句话是有什么固定搭配呢？请老师帮忙划分一下句子成分，翻译一...

问题 不定式宾补可以和宾语从句表达一致的概念吗

He entreated me to have mercy on her.He entreated that I have mercy on her.这两句话表达有细微的差异吗？如果普遍意义一点说的话，可以说宾语从句和不定式做宾补表达的意思基本一致吗？谢谢老师的回答。

问题 非谓语短语，形容词，定语从句修饰成分的区别？

1.He laughs best who laughs last.2.He laughs best to laugh last.3.He laughs best laughing last.老师，2和3是错的吗，为什么只有定语从句才可以修饰人称代词，（不知还可以修饰什么词或短语），而非谓语动词（或非谓语短语），形容词不能修饰人...

问题 threat的用法问题（threat sth是“威胁到”还是“威胁要”）

Senator Seymour has threatened a filibuster to block the bill. 参议员西摩威胁说要发表长篇演说来阻挠议案通过。threat a filibuster 威胁要做长篇演讲threat n. 应该表示【威胁到……】，但这里却表示【威胁要做……】，请问这是什么用...

问题 as比较结构的问题(as was expected)

...解为：The economic situation is as serious as the economic was expected to be.第二个句子中的as从句被书上称为非限制性定从，但是我感觉它有点像方式状语。

问题 有witness sb do sth这种结构吗

The New York Times reports that this year's fire season hasn't been as bad as it has been for the previous two years, butthat's little comfort to those witnessing the flames flare up.请教老师，上句flare up是否是witness的宾语补足语？即witness sb do sth这种结构呢？