What they found, in attempting to model thought, is that the human brains roughly one hundred billion nerve cells are much more talentedand human perception far more complicatedthan previously imagined. They have built robots that can recognize the error of a machine panel by a fraction of a millimeter in a controlled factory environment. But the human mind can glimpse a rapidly changing scene and immediately disregard the 98 percent that is irrelevant, instantaneously focusing on the monkey at the side of a winding forest road or the single suspicious face in a big crowd. The most advanced computer systems on Earth cant approach that kind of ability, and neuroscientists still dont know quite how we do it.

　　1. Human ingenuity was initially demonstrated in .

　　A. the use of machines to produce science fiction

　　B. the wide use of machines in manufacturing industry

　　C. the invention of tools for difficult and dangerous work

　　D. the elites cunning tackling of dangerous and boring work

　　2. The word gizmos most probably means .

　　A. programs

　　B. experts

　　C. devices

　　D. creatures

　　3. According to the text, what is beyond mans ability now is to design a robot that

　　can .

　　A. fulfill delicate tasks like performing brain surgery

【英语四级阅读理解专项练习题(20)】相关文章：

★ 大学英语六级考试阅读理解提高抗干扰的能力

★ 第1818期阅读理解附答案

★ 2010年6月英语六级考试阅读理解的训练题4

★ 2011年最新六级阅读理解练习（2）

★ 英语四级考试仔细阅读每日一练(12.15)

★ 2015年6月四六级阅读理解：九大终极备考奥义

★ 2013年12月英语六级改革的模拟练习长篇阅读4

★ 英语四级考试阅读理解考前温习

★ 大学英语四级阅读理解练习题（2）

★ 第1824期阅读理解附答案