单项选择题

What they discovered was nothing less than a new source of energy.

A．他们所发现的并非不是新的能源。
B．他们所发现的正是新的能源。
C．他们所发现的不亚于新的能源。
D．比起新的能源，他们什么也没发现。
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单项选择题
Which of the following statement is true
A．Nanto is the first city to experiment with using robots to help care for the elder citizens.
B．Paro can respond to human voices and loving touches.
C．Companion robots have the ability to eat.
D．Aibo can understand thoughts and feelings of human being.
单项选择题
What are Paro and Aibo according to the author's introduction
A．They are family pets.
B．They are robotic caretakers.
C．They are robotic animal companions.
D．They are toys for senior citizens.
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