单项选择题

Yoshihiro Kuroki ________.

A．is excited when the robots are performing a traditional Japanese dance
B．keeps silent because he is a little unsatisfied with the new product
C．witnesses the creation of a series of entertainment robots
D．is an executive manager of Sony Corp.
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单项选择题
Which of the following is the most suitable title of this passage
A．New Entertainment Robots Produced in Japan.
B．QRIO--the Robot Dancers.
C．Robots--Man's Best Friend.
D．An Extraordinary Performance in Sony's Lab.
单项选择题
The robots can locate colored balls by means of ______.
A．a charge-coupled device
B．two cameras
C．two contact sensors
D．a digital detector
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