单项选择题

The author's main purpose in writing this passage is to ______.

A．interpret the function of forgetting
B．illustrate the process of adapting
C．explain the performance of memory
D．emphasize the importance of learning

<上一题目录下一题>

热门试题

单项选择题

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

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