Script 日1》4一 Mrs Brown: Look. we are driving into the mountains. The road begins to wind up, Mr Wang. we won't be far from the Great Wall. will we? Mr Wang No, we won't mountains Pretty soon you will see sections of the wall on top of the mountains Mrs. Brown: I read that it was built more than 2000 years ago. Is it right, Mr. Wang? Mr Wang: Yes, construction of the wall first began during the warring states period in the fifth century B C. Some ducal states built walls to defend against the frequent invasions by nomadic tribes from the north. After Qin Shihuang, the first emperor unified China in 221 B C he decided to have the various sections of the walls linked up and extendedScript Mrs. Brown: Look. we are driving into the mountains. The road begins to wind up, Mr. Wang. we won’t be far from the Great Wall, will we? Mr. Wang: No, we won’t mountains. Pretty soon you will see sections of the wall on top of the mountains. Mrs. Brown: I read that it was built more than 2000 years ago. Is it right, Mr. Wang? Mr. Wang: Yes, construction of the wall first began during the warring states period in the fifth century B.C.. Some ducal states built walls to defend against the frequent invasions by nomadic tribes from the north. After Qin Shihuang, the first emperor unified China in 221 B.C. he decided to have the various sections of the walls linked up and extended. L A B P