Psychologists divide human intelligence into crystal intelligence and fluid intelligence. Crystal intelligence refers to cognitive ability based on learned experience, which is greatly affected by acquired experience. It is mainly manifested in the ability to use existing knowledge and skills to absorb new knowledge and solve new problems. These abilities generally do not decline with age. Fluid intelligence is a cognitive ability based on physiology, It decreases with age.
According to the above definition, which of the followings doesn't belong to crystal intelligence:
Xiao Li found a secretarial job after graduation. After one year, she has been able to master all kinds of commonly used word and picture processing software