单项选择题

75______computer is more essential to a modern business than ______ typewriter.

A．The, the
B．/, /
C．A, the
D．The, a
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单项选择题
Doctors' efforts to develop a new way to see the brain working have so far _______ with satisfaction.
A．found
B．shown
C．given
D．met
单项选择题
Olivia obviously had no ______ of doing any work that day, although it was only a week before the Proficiency Test.
A．willingness
B．intention
C．ambition
D．desire
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