单项选择题

Braille, the universally accepted ____________ of writing used by blind persons, consists of sixty-three characters.

A．pattern
B．catalog
C．system
D．scheme
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单项选择题
It is ____________ of him to get rid of his bad friends after entering high school.
A．sensible
B．sensitive
C．senseless
D．sensational
单项选择题
The two men were found guilty of armed robbery and ____________ to four years imprisonment.
A．judged
B．condemned
C．convicted
D．testified
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