单项选择题

A．The discovery of oil
B．The interest in wildlife.
C．An increase in the birthrate.
D．An improvement in building materials.
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单项选择题
A．The debates were popular in Virginia.B．The debates upset the people.C．The debates made Johnson lose the election.D．The debates were popular throughout the country.
A．The debates were popular in Virginia.
B．The debates upset the people.
C．The debates made Johnson lose the election.
D．The debates were popular throughout the country.
单项选择题
A．At once.B．Fifteen days later.C．By the 15th of this month.D．In the middle of this year.
A．At once.
B．Fifteen days later.
C．By the 15th of this month.
D．In the middle of this year.
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