题目内容：
Read the following text(s) and write an essay to 1 )summarize the main points of the text(s),
2) make clear your own viewpoints, and
3 ) justify your stand．
In your essay, make full use of the information provided in the text(s)．If you use more thanthree consecutive words from the text( s), use quotation marks( )．
You should write 160 -200 words on the ANSWER SHEET．
Since the dawn of human ingenuity, people have devised ever more cunning tools to cope withwork that is dangerous, boring, burdensome, or just plain nasty．That compulsion has resulted inrobotics---the science of conferring various human capabilities on machines．As a result, the modern world is increasingly populated by intelligent gizmos whose presence we barely notice butwhose universal existence has removed much human labor．
But if robots are to reach the next stage of laborsaving utility, they will have to operate withless human supervision and be able to make at least a few decisions for themselves--goals that posea real challenge． " While we know how to tell a robot to handle a specific error," says Dave Lavery, manager of a robotics program at NASA, "we can' t yet give a robot enough ' commonsense' to reliably interact with a dynamic world．"
What researchers found, in attempting to model thought, is that the human brains roughly onehundred billion nerve cells are much more talented--and human perception far more complicatedthan previousimagined．They have built robots that can recognize the error of a machine panel bya fraction of a millimeter in a controlled factory environment．But the human mind can glimpse arapidly changing scene and immediately disregard the 98 percent that is irrelevant, instantaneouslyfocusing on the monkey at the side of a winding forest road or the single suspicious face in a bigcrowd．The most advanced computer systems on Earth can' t approach that kind of ability, andeuroscientists still don' t know quite how we do it．
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