单项选择题

Once a person, infected, he should______.

A．be isolated immediately
B．be observed in hospital
C．be given vaccinatio at once
D．be examinated professionally
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单项选择题
Rabies is______.
A．a disease which is infectious, caused by virus of dogs and wild flesh-eating animals
B．a disease caused by evil spirits
C．a disease spread by man and all warm-blooded animals
D．a disease causes animals to be vicious and violent
单项选择题
Without treatment, the virus in an infected animal will______.
A．enter immediately to the brain
B．develop immediately to the wound
C．incubate for l0 days to 8 months
D．pass into a fresh wound
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