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1.One of the biggest changes when people began living in villages was that people began to practice division of labor. That is, people specialized in particular skills rather than splitting their time among different activities. One group of villagers, concentrating on farming, could produce enough flood for the whole village. This gave other villagers time to spend on nonfarming tasks. Some people made tools and weapons. Others made shelters or clothing or learned to weave reeds into baskets. Still others made pottery containers for cooking and far storing flood and water.

① 농촌의 변화  

② 직업의 분화

③ 기술의 발달

④ 잠재력의 발굴

⑤ 공동체의 형성

2. 다음 글 바로 뒤에 올 수 있는 내용으로 가장 적절한 것은?

Have you ever heard words similar to these: "You got your curly hair from Grandma," or "You have blue eyes like Aunt Gina"? When people go to their family reunion, they may notice that they share traits with some of their other relatives, not just brothers and sisters. They may even look like someone who is distantly related. Sometimes a trait, such as curly hair, won't appear for several generations. Is such an occurrence an accident, or is there a pattern that can be predicted? As you read the following, you will learn the answer,

① 형제의 우애

② 친척의 범위

③ 가족의 유형

④ 불화의 원인

⑤ 유전의 원리