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今天是NUMBERS & PERCENTAGE 专题，来自POWER SCORE CR BIBLE. 有兴趣的，可以去翻解析。补上选项。刺激点。
1. Politician: Those economists who claim that consumer price increases have
averaged less than 3 percent over the last year are mistaken. They clearly
have not shopped anywhere recently. Gasoline is up 10 percent over the last
year; my auto insurance, 12 percent; newspapers, 15 percent; propane,
13%; bread, 50 percent.
The reasoning in the politician’s argument is most
vulnerable to criticism on the grounds that the argument
A. impugns the character of the economists rather than addressing their
arguments
B. fails to show that the economists mentioned are not experts in the area of
consumer prices
C. mistakenly infers that something is not true from the claim that it has not
been shown to be so
D. uses evidence drawn from a small sample that may well be unrepresentative
E. attempts to persuade by making an emotional appeal
2. Ditrama is a federation made up of three autonomous regions: Korva, Mitro, and Guadar. Under the federal revenue-sharing plan, each region receives a share of federal revenues equal to the share of the total population of Ditrama residing in that region, as shown by a yearly population survey. Last year, the percentage of federal revenues Korva received for its share decreased somewhat even though the population survey on which the revenue-sharing was based showed that Korva's population had increased.
If the statements above are true, which one of the following must also have been shown by the
population survey on which last year's revenue-sharing in Ditrama was based?
(A) Of the three regions, Korva had the smallest number of residents.
(B) The population of Korva grew by a smaller percentage than it did in previous years.
(C) The populations of Mitro and Guadar each increased by a percentage that exceeded the percentage by which the population of Korva increased.
(D) Of the three regions, Korva's numerical increase in population was the smallest.
(E) Korva's population grew by a smaller percentage than did the population of at least one of the other two autonomous
regions.
3. In 1980, Country A had a per capita gross domestic product (GDP) that was
$5,000 higher than that of the European Economic Community. By 1990, the
difference, when adjusted for inflation, had increased to $6,000. Since a
rising per capita GDP indicates a rising average standard of living, the
average standard of living in Country A must have risen between 1980 and
1990.
Which one of the following is an assumption on which the argument
depends?
A. Between 1980 and 1990, Country A and the European Economic Community
experienced the same percentage increase in population.
B. Between 1980 and 1990, the average standard of living in the European
Economic Community fell.
C. Some member countries of the European Economic Community had, during
the 1980s, a higher average standard of living than Country A.
D. The per capita GDP of the European Economic Community was not lower by
more than $1,000 in 1990 than it had been in 1980.
E. In 1990, no member country of the European Economic Community had a
per capita GDP higher than that of Country A.
4. Students from outside the province of Markland, who in any given academic
year pay twice as much tuition each as do students from Markland, had
traditionally accounted for at least two-thirds of the enrollment at Central
Markland College. Over the past 10 years academic standards at the college
have risen, and the proportion of students who are not Marklanders has
dropped to around 40 percent.
Which one of the following can be properly
inferred from the statements above?
A. If it had not been for the high tuition paid by students from outside
Markland, the college could not have improved its academic standards over
the past 10 years.
B. If academic standards had not risen over the past 10 years, students who are
not Marklanders would still account for at least two-thirds of the college’s
enrollment.
C. Over the past 10 years, the number of students from Markland increased and
the number of students from outside Markland decreased.
D. Over the past 10 years, academic standards at Central Markland College have
risen by more than academic standards at any other college in Markland.
E. If the college’s per capita revenue from tuition has remained the same,
tuition fees have increased over the past 10 years.
AA
The following editorial appeared in the Elm City paper.
“The construction last year of a shopping mall in downtown Oak City was a mistake. Since the mall has opened, a number of local businesses have closed, and the downtown area suffers from an acute parking shortage, and arrests for crime and vagrancy have increased in the nearby Oak City Park. Elm City should pay attention to the example of the Oak City mall and deny the application to build a shopping mall in Elm City.”
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发表于 2011-9-2 19:43:15
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发表于 2011-9-2 22:05:07
