大全-Ⅲ-10？？？？. A year after the start an experiment to
decrease crime in two high-crime subway stations by the installation of
closed-circuit televisions, the experiment is being discontinued, city
officials say the program has led to an increase in crime, citing the fact that
following the installation, both stations showed increases in the number of
crimes reported.
Which of the following, if true, most seriously
weakens the claim of the city officials that the program has led to an increase
in crime?
(A) The two
subway stations had been chosen on the basis subway stations was higher than
that of other high-crime subway stations not equipped with
closed-circuit-television.
(B) The rate of
increase in crimes reported
for two subway stations was higher than that of other high-crime subway
stations not equipped with closed-circuit television. 重复了一遍。
(C)
The percentage of all crimes committed at the two subway
stations that were reported rose as a result of increased instances of
observations of crime on the closed-circuit televisions.
(D) The year in
which the experiment was conducted was a year in which the total number of
crimes reported in the city fell.（C）
(E) Closed-circuit televisions installed
in shops and stores throughout the city have proved to be useful in the
prevention of shoplifting and burglaries.
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发表于 2006-9-10 15:16:00
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