听短文回答问题
11．When did the boy go to the science museum in Taiyuan？

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A．Last June．
B．Last July．
C．Last August．
12．What did the robot look like？

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A．He had one hand and one eye．
B．He had one hand and two eyes．
C．He had two hands and one eye．
13．How long could the robot work a day？

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A．More than 12 hours．
B．Less than 8 hours．
C．More than 14 hours．
14．What could the robot do？

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A．Play with children．
B．Look after the old people．
C．Know people's health problems．
15．What does the boy hope to do？

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A．Be a doctor．
B．Have a robot．
C．Make a robot．