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.
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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
单项选择题
The Sony Dream Robot was ________.
A．the first human-like entertainment robot developed by the Sony Corp
B．as capable as the QRIO of speaking, dancing, singing and walking
C．largest among all the entertainment robots developed by the Sony Corp
D．the first entertainment robot sold at the market by the Sony Corp
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