_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ -可编辑修改- Lesson1 We can read of things that happened 5,000 years ago in the Near East, where people first learned to write
But there are some parts of the world where even now people cannot write
The only way that they can preserve their history is to recount it as sagas--legends handed down from one generation of story-tellers to another
These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did
Anthropologists wondered where the remote ancestors of the Polynesian peoples now living