2015-2016学年 译林版 必修三 unit 3 Back to the past reading课件 (19)
2015-2016学年 译林版 必修三 unit 3 Back to the past  reading课件 (19)第5页

What do they have in common?

They are very f not only in China but also in the world. All of them have .

civilizations

amous

a long history and characteristics