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(阅读理解)
Long long ago, the world didn’t have many people. The people moved from place to place. They moved over the land, hunting(狩猎) animals for food.
No one knows how or when these people learned about growing crops(庄稼). But when they did, their life changed(改变). They didn’t have to look for food any more. They could stay in one place and grow crops.
People began to live near one another. And so the first villages grew. Many people came to work in the villages. These villages grew very big.
When machines (机器)began to be used, life in the villages changed again. Factories were built. More and more people lived near the factories. Then the villages turned into cities. |