单项选择题

John doesn"t believe in ______ medicine; he has some remedies of his own.

A．standard
B．regular
C．routine
D．conventional
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单项选择题
All their attempts to ______ the child from the burning building were in vain.
A．regain
B．recover
C．rescue
D．reserve
单项选择题
As the old empires were broken up and new states were formed, new official tongues began to ______ at an increasing rate.
A．bring up
B．build up
C．spring up
D．strike up
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