From the origin of human beings to the extremely long history of evolution, the most critical and important reason that drives human beings to migrate on a large scale and eventually spread all over the world is ( ).
A. Fight and competition among ethnic groups.
B. Find a warm place.
C. Looking for food to survive.
D. Find a place with plenty of water.
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From apes to humans, the most critical and important reason for advancing human evolution is ( ).
A. Increase in meat
B. Climate and environmental changes
Constant migration
D. The processing of food
For the first time, food completely changed the form of social organization (structure) and development model of human (ancestor of modern Homo sapiens) due to ( ).
A. Learn to use fire
B. Settlement starts agricultural and animal husbandry production
C. Ability to use and manufacture tools
D. Gene exchange with Neanderthals and Denisovans
The Chinese nation has historical records Qi Huangong and Guan Zhong. The earliest state-owned enterprises were established because of ( ).
A. Business delevopment
B. War needs
C. Living requirements
D. Tax invisible
Today, when we go to eat western food, there are usually salt shakers and pepper shakers on the table, because salt and pepper used to be ( ).
A. Easy to use (edible)
B. A custom of western
C. Necessities in Western dining
D. Symbol of rights, status and wealth