单项选择题

What the American scientist did was to test ________.

A．recognition
B．remembering
C．the ability of people to learn the names
D．the ability of people to recognize faces
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单项选择题
The manager wondered why ________.
A．the workman sent a bill to the company
B．the mice bought for the job were a male and a female
C．the workman had paid for the mice
D．mice were needed in repairing a house
单项选择题
The workman considered the mouse a gentleman because ________.
A．it was a clever mouse
B．it was a male mouse
C．it was ready to help the female mouse no matter what happened
D．it could sense the gentle press that made the female mouse squeak
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