新GRE小短文阅读练习题六十
County Health Inspector: Here in the county about sixteen percent ofthe raccoons tested for rabies were found to be infected with
the disease.But only raccoons that had come into contact with
a person or a pet were tested.Therefore there is reason to
believe that considerably fewer than sixteen percent of the
county's raccoons are infected with rabies.
Which of the following, if true, provides the strongest support for the
health inspector's conclusion?
A Healthy raccoons are more likely to come into contact with pets than
with people.
BRaccoons that are infected with rabies are more likely to come into
contact with people and pets than are healthy raccoons.
CEven experts are unable to determine whether or not a raccoon is
infected with rabies simply by observing its behavior.
DOf the skunks tested for rabies in the county, more than six teen per-
cent were found to be infected with the disease.
EThere have been no reported cases in the county of the transmission
of rabies from a raccoon to a dog that had been vaccinated against
the disease.
答案B
页:
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