题目内容：
根据下列文章,请回答题。 Read the following text. Choose the best word(s) for each numbered blank and mark A ,B ,C or D on ANSWER SHEET 1.Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how their machines can make industry more competitive and productive. The maker for ___________ 21 robots is oversupplied now,and the driving force of the robotics(机器人学) revolution is__________ 22 to be with makers of machines that handle a few kilos at most.
"Heavy-robot manufacturers are in some difficulty __________ 23 finding customer. They are offering big__________24 just to get in the door. There has been a __________ 25 growth everywhere in the numbers of robots, so we admit we are either deceiving __________ 26 or that the market is slowly growing. "said John Reekie,chairman of Colen Robotics. "The following things must happen __________ 27 the robotics revolution to occur. We must achieve widespread robot literacy, __________28 there has been a computer __________29 program,there must be a robot prices. __________ 30 ,some kind of artificial intelligence needs to be __________ 31 "
Colen makes educational robots and machine tools. It is small __________ 32 with companies like ASEA or Fujitsu Fanuc. But Colen with others and departments in universities such as Surrey, Manchester, and Durham possess an advantage __________ 33 the giants. The big companies sell very expensive__________ 34 to businesses with expert knowledge in automation. The__________ 35 companies make robots for teaching people, and now they have realized that there is a need for small, __________36 robots that they can meet.
The little companies either bring their educational machines __________ 37 an industrial standard or design from the start. One technique that they all adopt is to choose __________ 38 components where possible. The major cost of making__________39 their models is the electronics, which will fall in price. There is __________ 40 scope for reductions in mechanical costs. The sue of standard parts, which are easily replaced, should give these robots a mechanical life of something in the order of five years. A．small
B．educational
C．big
D．business
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