单项选择题

From the last paragraph we know that______.

A．forgetfulness is a response to learning
B．the memory storage system is an exactly balanced input-output system
C．memory is a compensation for forgetting
D．the capacity of a memory storage system is limited because forgetting occurs

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热门试题

单项选择题

From the evolutionary point of view, ______.

A．forgetting for lack of practice tends to be obviously in adaptive.
B．if a person gets very forgetful all of a sudden he must be very adaptive
C．the gradual process of forgetting is an indication of an individual' s adaptability
D．sudden forgetting may bring about adaptive consequences

单项选择题

According to the passage, if a person never forgot,______.

A．he would survive best
B．his ability to learn would be enhanced
C．he would have a lot of trouble
D．the evolution of memory would stop