1.What can we learn about Ductbot?
A.It is a toy car and popular with children.
B.It is designed to move like a snake in the ducts.
C.many LEDs are fitted on it to tell its location.
D.It is actually a camera to capture dirty scenery.
2.The underlined word “it” in Paragraph 2 refers to “________”.
A.the cameraB.the conditioning duct
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.
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