四级练习2014.12.20
[audio]http://sound.yywz123.com/tingbbs/cet4/cet420141220.mp3[/audio]We are in the computer age today. The computers are working all kinds of wonders now. They are very useful in automatic control and data processing. At the same time, computers are finding their way into the home. They seem to be so clever and can solve such complicated problems that (1)__________________________.
But I do not think that there is such a possibility. My reason is very simple: computers are machines, not humans. (2)__________________________________for any one single kind of machine to perform.
Probably the greatest difference between man and computer is that the former can do things of his own while the latter can do nothing without being programmed. In my opinion, (3)__________________________________, no matter how clever and complicated they may become.
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