The ________ was invented by the Chinese, as is well known.
The ________ was invented by the Chinese, as is well known.
The mortality rate（死亡率） is already known.
The mortality rate（死亡率） is already known.
It was not until yesterday evening the manager made his decision known.
It was not until yesterday evening the manager made his decision known.
This is the basis of a laser oscillator(激光振荡器), or laser as it is more simply known.
This is the basis of a laser oscillator(激光振荡器), or laser as it is more simply known.
Shadow plays from Huaxian County of Shaanxi Province are the best known.
Shadow plays from Huaxian County of Shaanxi Province are the best known.
What does the author think about this theory A) Simplistic. C) Acceptable. B) Unscientific. D) Not known. A: What does the author think about this theory B: Simplistic. C: Unscientific. D: Acceptable. E: Not known.
What does the author think about this theory A) Simplistic. C) Acceptable. B) Unscientific. D) Not known. A: What does the author think about this theory B: Simplistic. C: Unscientific. D: Acceptable. E: Not known.
He is one of the most ----and thoughtful persons that I have ever known.(insight
He is one of the most ----and thoughtful persons that I have ever known.(insight
He is one of the most _______ (influence) political leaders the world has ever known.
He is one of the most _______ (influence) political leaders the world has ever known.
Winston Churchill is _____ one of the greatest politicians the world has ever known. (doubt)
Winston Churchill is _____ one of the greatest politicians the world has ever known. (doubt)
George Washington _____ the Father of American history. A: is known to B: is known for C: is known as D: is known by
George Washington _____ the Father of American history. A: is known to B: is known for C: is known as D: is known by