The great Asian civilizations have a special place in the annals of world civilizations, and they have added to the ( ) of human civilizations. A: country B: people C: diversity D: kind

World civilizations are rich andcolorful. The differences between _________civilizations are a basic characteristic of human society.

Agriculture played an essential role in the development of civilizations.

American Indians had developed three brilliant civilizations before the Europeans arrived. These three civilizations were_____________________,________________________, and _________________.

Modern civilizations are as dependent on trees as ______.

Agriculture played an essential role in the development of civilizations. A: 正确 B: 错误

中国大学MOOC: The two roots of Western culture refers to ____________ civilizations.

Dali is known as the "Crossing of Asian Civilizations" .

The globe is a community shared with the common destiny for all civilizations.（ ） A: 对 B: 错

I would be interested ________ ancient civilizations. A: to study B: studying C: in studying