We are in the computer age today. The computers are 1)____ all kinds of wonders now. They are very useful in automatic control and 2)______ . At the same time, computers are finding their way into the home. They seem to be so clever and can solve such complicated ( 复杂的 )problems that some people think 3)________ they will replace us. But I do not think that there is such a 4)_____ . My reason is very simple: computers are machines, not humans. And our tasks are far too various and complicated for any one 5)____ kind of machine to 6)___ . Probably the greatest 7)_____ between man and computer is that the former can do things of his own while the latter can do nothing without being 8)_____ . In my opinion, 9)_____ will remain nothing but an extension of our human brains, no matter how 10)_____ and complicated they may become.