单项选择题

Sony's QRIO could carry out all the following work EXCEPT______.

A．walking everywhere freely
B．understanding some words uttered by people
C．finding its way
D．continuing walking after it stumbles
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单项选择题
In paragraph 1 the author introduces his topic by relating______.
A．the idea of humanoid robots
B．Karl Capek's creation of robots
C．Hollywood's production of robot films
D．the origin of and popular films about robots
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