______ the brain’s working is a tremendous challenge and, judging by the advance of current processor power and complexity, will take at least several decades more to reach even the most elementary levels.

2023-05-26

A.Increasing

B.Imitating

C.Observing

D.Speculating

参考答案：B

本题考察词义辨析。题目意为“模仿人类脑部的工作是一项巨大的挑战，以目前的处理程序的能力及复杂性来衡量，即使是达到最初级的水平也至少需要几十年。”A选项意为“增加，加大”，B选项意为“模仿，效仿”，C选项意为“观察，注意”，D选项意为“投机，推测”。根据题意，应该是试图模拟人类的大脑工作。