不能省略！It is…that这是强调句型，不能省略

It is John that broke the window.2. 用it 作形式主语的结构 (1) It is +名词+从句 It is a fact that … 事实是…It is an honor that …非常荣幸 It is common knowledge that …是常识 (2) it is +

that不能省略，句子是不能作主语的。1、that在句中不做成分。当主语从句位于句首时，不能省略：That he likes books of this kind is very interesting.= It’s very interesting (that)he likes books of this kind.

（1） 在由连词that, whether, if引导的名词性从句中，引导词在句中不做成分，在宾语从句和表语从句中，that可以省略。（2） 在由连接代词who, whose, whom, which, what, whoever, whomever, whichever, whatever引导的

从属连词；that，whether引导的主语从句在主语从句中不充当任何成分,只起连接词的作用，通常不可以省略。分句置于句首时，that绝对不可以省略。如果是由It作形式主语，后面that可以省略.1,有that 引导的主语从句如下：1. That

引导主语从句的连词that 有时可省，有时不能省，其原则是：1、若that引导的主语从句直接位于句首，则that不能省略；2、若that引导的主语从句位于句末，而在句首使用了形式主语it，则that可以省略：例句：That you didn’

it is common knowledge that主语从句这个that可以省略吗?

It is common knowledge that China has a long history and glorious history in both arts and traditional crafts. These are just two of the many jewels in China's over five thousand-year culture. The arts

不需要哦，因为knowledge这里是不可数名词，common knowledge解释为常识。不能加a的 knowledge可表示“了解,知道”或“知识,认识,学问”等,是不可数名词。有时在knowledge前可直接加上不定冠词a,表示“对…有某种程度的了解或

主语从句里面的that是不能省略的，因为那是从句的标志。一般情况下that只有在第一个宾语从句和在定语从句里面做宾语的时候可以省略，其它情况都不可以。

众所周知英语有as everyone knows、As we all know、as is known to all、well known、Everybody knows、it is common knowledge that、it is public knowledge that、It is well known that、as we know、as known to

绝对是：it's a common knowledge.一般用“It's a common knowledge that”表达这是一种常识.固定搭配.放心啦~还有类似表达：“It's a common sense.”

it is common knowledge that 这是共同的知识，双语对照 词典结果：网络释义 1. 是常识 例句:1.It is common knowledge that america always leads most of the worldand international events, and they are truly winners

it is common knowledge that

“众所周知” 英文翻译：as everyone knows 词组解析 “众所周知” 在英文中被翻译为 as everyone knows，为常见的固定搭配用法。其中as的含义为正如，词性为连词。everyone 为名词，等于everybody，意思是“每个人”，不指

众所周知用英文有五种表达方式，分别是：as everyone knows、as is known to all、well known、Everybody knows、everybody all knows。1、as everyone knows 读音：英 [æz ˈevriwʌn nəA

众所周知英语有as everyone knows、As we all know、as is known to all、well known、Everybody knows、it is common knowledge that、it is public knowledge that、It is well known that、as we know、as known to

众所周知的英文：as everyone knows、as is known to all、well known、Every barber knows that、Everybody knows。1、as everyone knows 英 [æz ˈevriwʌn nəʊz] 美 [æz

众所周知英语

it is common knowledge that ;it is learned thatExamples:1. 众所周知, 他是绝对可靠的。It is well known that he is completely on the square.2. 众所周知，当一种元素与氧结合时，形成的东西被称为氧化物

1、As everyone knows--众所周知 as引导非限制性定语从句，指代整个主句内容，从句可置于句首，句中或句尾；2、plays an important role in--在……扮演一个重要的角色/在……中起着重要作用 固定搭配短语，in后加名词

绝对是：it's a common knowledge.一般用“It's a common knowledge that”表达这是一种常识.固定搭配.放心啦~还有类似表达：“It's a common sense.”

不需要哦，因为knowledge这里是不可数名词，common knowledge解释为常识。不能加a的 knowledge可表示“了解,知道”或“知识,认识,学问”等,是不可数名词。有时在knowledge前可直接加上不定冠词a,表示“对…有某种程度的了解或

释义：众所周知。例句：Finally, it is common knowledge that travel broadens the horizons.最后，旅行能开阔眼界，这是人尽皆知的事。7、it is public knowledge that 释义：众所周知。例句：It is public knowledge that

it is common knowledge that 。。。是常识，双语对照 词典结果：网络释义 1. 是常识 例句:1.It is common knowledge that america always leads most of the world andinternational events, and they are truly winners

it is common knowledge that是什么意思

it is common knowledge that 。。。。。。。是常识， 双语对照 词典结果： 网络释义 1. 是常识 例句: 1. It is common knowledge that america always leads most of the world andinternational events, and they are truly winners in the truest sense of thatword. 众所周知，美国在大多数世界和国际活动中总是处于领先地位，从真正意义上讲，他们是真正的赢家。 2. Although it is common knowledge that a person with a college degree willearn a great deal more than a person without one-roughly a million dollarsmore over a lifetime is the frequently cited figure-today, students with collegedegrees are finding it tough to get decent jobs. 尽管美国人都知道拥有大学学位的人收入将远远超出那些没有学位的人，尽管我们一再听说两者终生收入差距几乎高达一百万美元，然而大学毕业生们发现如今更难找到一份体面工作
it is commonly known that 或者it is well known that
　　众所周知一词用于书面语，意指大家都知道的。 近义词 ：尽人皆知、家喻户晓、人所共知。那么你知道众所周知用英语怎么说吗?接下来跟着我来学习一下吧。 　　众所周知的英语说法1： 　　as everyone knows 　　众所周知的英语说法2： 　　as is known to all 　　众所周知的英语说法3： 　　be universally [widely] known 　　众所周知相关英语表达： 　　是众所周知 is well known 　　众所周知的 well known 　　众所周知地 proverbially 　　被众所周知 Is well known 　　众所周知的英语例句： 　　1. As Wren's epitaph famously declares, the cathedral itself is his monument. 　　众所周知，雷恩的墓志铭中写道，大教堂本身就是他的纪念碑。 　　2. Toddlers are notoriously antisocial when it comes to sharing toys. 　　众所周知，刚学会走路的孩子不愿和别人分享玩具。 　　3. His first essay in running a company was a notoriously tough undertaking. 　　众所周知，他第一次尝试经营公司时十分艰难。 　　4. Diplomats can be a notoriously unreliable and misleading source of information. 　　外交官可能会提供一些靠不住的误导性信息，这是众所周知的。 　　5. She is known to have liberal views on divorce and contraception. 　　众所周知，她在离婚与避孕方面思想很开明。 　　6. Governments have been known to snoop on innocent citizens. 　　有些政府窥探无辜公民的生活——这一事实已经众所周知。 　　7. Brindley was known as a very, very fast driver. 　　众所周知，布林德利是个喜欢飞车的人。 　　8. I won't belabour the point, for this is a familiar story. 　　因为这点已经是众所周知了，我就不再啰唆了。 　　9. Radon is known to be harmful to humans in large quantities. 　　众所周知，大量的氡会对人体造成伤害。 　　10. His mastery of the French language was proverbial. 　　他对法语的精通是众所周知的。 　　11. He was known for his unconventional behaviour. 　　他的特立独行是众所周知的。 　　12. Gainsborough is known as an unemployment blackspot. 　　众所周知，盖恩斯伯勒失业严重。 　　13. Everyone knows children are picky eaters. 　　众所周知，小孩子吃东西挑食。 　　14. Janis Joplin was known as the High Priestess of Rock. 　　贾尼斯∙乔普林就是众所周知的摇滚乐大师。 　　15. His devotion to the cause of education is well - known. 　　他对 教育 事业的献身精神是众所周知的.
as everyone knows 重点词汇 know 英 [nəʊ] 美 [noʊ] vt. 知道；认识；懂得 vi. 了解；熟悉；确信 短语 You Know 你知道 ; 你要知道 ; 你了解 ; 我说 近义词： weet 英 [wiːt] 美 [wi:t] v. 知道（等于 know） 短语 weet guy 金东万 weet-bix 新康利 ; 营养早餐 ; 全麦饼干 ; 营养早餐麦片
不可以，因为是主语从句，主语从句that不能省略
不能省略！It is…that这是强调句型，不能省略