新GRE小短文阅读练习题六十

会计考友

County Health Inspector: Here in the county about sixteen percent of
7 E; H$ i  C9 ~) B2 ?         the raccoons tested for rabies were found to be infected with
% D' f) ]( e: k1 _. D. ?) f         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.
: w* ?! ^9 u$ H! _4 h6 \    B  Raccoons that are infected with rabies are more likely to come into
       contact with people and pets than are healthy raccoons.
* y0 F: Z( b2 {7 @6 L- ]    C  Even experts are unable to determine whether or not a raccoon is
* h8 x2 m5 z- ^2 @6 s0 S. M. @       infected with rabies simply by observing its behavior.
* v6 B3 K( E8 u  [- U    D  Of the skunks tested for rabies in the county, more than six teen per-
  m# o1 U% n9 X$ l" D$ @( |       cent were found to be infected with the disease.
# F% M5 h# }, o$ a% i    E  There have been no reported cases in the county of the transmission
7 r7 _! Q# `2 _3 |! ]# n' r       of rabies from a raccoon to a dog that had been vaccinated against
3 U9 E9 O/ |  y  u/ {: A% T  [: F       the disease.
0 z; p0 ?6 d% ?* I9 L' q答案B