영어3 기말고사
- 최초 등록일
- 2020.04.09
- 최종 저작일
- 2019.01
- 14페이지/ 한컴오피스
- 가격 1,500원
목차
1. Unit 5 The DNA Trail
2. Unit 6 For the love of elephants
3. Unit 7 A crowd in harmony
본문내용
[1] Everybody loves a good story, and when it’s finished, this may be the greatest one ever told. It begins in Africa with a group of people, perhaps just a few hundred, surviving by hunting animals and gathering fruits, vegetables, and nuts. It ends about 200,000 years later with their seven billion descendants spread across the Earth, living in space or at war, their faces lit by campfires and computer screens.
[2] In between is and exciting tale of survival, movement, isolation, and conquest, most of it occurring before recorded history. Who were those first modern people in Africa? What routes did they take when they left home continent 60,000 years ago to expand into Europe and Asia? When and how did humans reach the Americans? For decades, the only proof was found in a small number of scattered bones and artifacts that our ancestors left behind on their journeys. In the past 20 years, however, DNA technologies have allowed scientists to find a record of ancient human migrations in the DNA of living people.
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