单项选择题

If you call the 911 emergency number, they will ______ firemen, policemen, and paramedics immediately.

A．assign
B．detach
C．attach
D．dispatch
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单项选择题
All of the dental instruments need to be ______ before the next patient is seen.
A．heated
B．scalded
C．sterilized
D．burned
单项选择题
His evident ______ to his wife despite her indiscretion proved him to be a man of integrity.
A．personality
B．character
C．fidelity
D．morality
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