单项选择题

Many doctors cure various kinds of diseases, but the tendency is toward __________ in medicine.

A．specialization
B．specialty
C．specification
D．spectator
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单项选择题
Newspapers in the 1920s and 1930s offered their readers gifts to increase their __________.
A．circulation
B．contribution
C．configuration
D．complication
单项选择题
The government's strong action demonstrated its __________ to crush the rebellion.
A．disturbance
B．disposition
C．duration
D．determination
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