C.the LED light
D.the dirty scenery
3.What can the Ductbot do for us?
A.Clean off the dirt in the ducts.
B.Control the central conditioning.
C.Reduce carbondioxide in buildings.
D.Protect more animals in city.
4. According to the text,EPSCO________.
A.has won an international robotics competition
B.hired children to clean the dirty ducts in the past
C.is the only partner of Robosoft Systems
D.specializes in improving people’s health
5.What is the main idea of the last paragraph?
A.Only engineers can operate the Ductbot now.
B.New ways have been found to examine oil tanks.
C.Azad’s difficulties are impossible to overcome.
D.Azad’s team are working to improve their robot designs.
语篇解读 本文是一篇说明文。主要介绍了印度的一名工程师发明了一种可以进入空调管道来清理空调灰尘的机器人。
1.解析: 细节理解题。根据文章第二段第一句“The robot is designed to snake through dark,narrow air conditioning ducts (管道) and clean them.”可知,它像蛇一样在管道中行走。
答案: B
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