From the invention of the first stone tools to today’s complex computers, man has (36) the power to change the world around him. Computer (37) , in particular, could be taking over our economic life.
In business, computers do the job of (38) and secretaries. In minutes, office computers type out hundreds of letters and, by satellite (39) send out bills to customers around the world. Business managers use computers to collect (40) amounts of information and, in seconds, to do (41) beyond the power of the human brain. In the future, the most important (42) maker might be the computer, not the company (43) .
(44) .In the foreseeable future more and more jobs will be taken by computers. Because technology supplies the muscle power, workers are now free to use their brain power to make new discoveries.
(45) The human brain has not changed in size in the past 10,000 years and won’t be changed in the long future. (46) Generally, man will never stop using his brain to create "intelligent machines" to do his work for him.
【参考答案】
However, man was able to invent hand tools, then the steam e......