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

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

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

单项选择题

According to the last paragraph, the need of a dying patient for company shows ______.

A．his fear of approaching death
B．his reluctance to part with his family
C．his pessimistic attitude towards his condition
D．his desire for communication with other people