The seventh history review study plan topic is as follows, seek the answer!

1. Beijinger, about 700,000-200,000 years ago, Zhoukoudian, Beijing, Yellow River Valley. Still retains some physical characteristics of apes.

Natural fire was used. Social life (the most primitive form of human social organization)

2. Important contributions of Yan Di and Huangdi to Chinese civilization: ① Yan Di and Huangdi are legendary tribal alliance leaders in the basin. According to legend, Emperor Yan improved farm tools, taught people to farm, tasted all kinds of herbs, invented medicines and pottery, and opened up markets. He is the founder of China's primitive agriculture and medicine, and is known as Shennong. (2) According to legend, the Yellow Emperor created palaces, vehicles and ships.