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  3. Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how

Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how

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问题    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 customers. 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 literacy program. 【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 in 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 use of standard parts, which are easily replaced, should give these robots a mechanical life of something in the order of five years.
【23】
选项 A、to
B、with
C、over
D、in
答案D
解析 have difficulty in．．意为“做…有困难”，固定搭配。
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