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 inadaptive
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

The tone of the passage can best be described as ______.

A．hypothetical
B．humorous
C．exaggerative
D．philosophical