GRE考试形式：中国大陆地区、香港、澳门、韩国目前执行分开考试的形式。由机考（分析性写作）和笔试（语文、数学）组成。
Argument 47
The nation of Claria covers a vast physical area. But despite wide geographic differences,
many citizens are experiencing rising costs of electricity. A recent study of household electric
costs in Claria found that families who cooled their houses with fans alone spent more on
electricity than did families using air conditioners alone for cooling. However, those households
that reported using both fans and air conditioners spent less on electricity than those
households that used either fans or air conditioners alone. Thus, the citizens of Claria should
follow the study's recommendation and use both air conditioners and fans in order to save
money on electricity.
This argument recommends that all citizens of Claria should mn fans as well as air
conditioners, for the purpose of saving money on electricity. To support this recommendation,
the argument's proponent points out that Claria citizens who run only fans incur higher electric
costs than those who mn only air conditioners, and that those who run both incur the lowest
electric costs among the three groups. However, the argument depends on certain dubious
assumptions about climate, electric costs, and the cited statistics. As a result, the
recommendation is iU-conceived.
First, the argument relies on the assumption that climatic conditions are similar throughout
all regions of Claria. Yet this is probably not the case, especially since the passage explicitly
193
characterizes Claria as vast and widely diverse geographically. It is entirely possible that only
fans are used in certain regions because the climate in these regions is comparatively cold
year-round, and that electric heating costs are so high that they result in the highest overall
electric costs in the country. If this is the case, implementing the proponent's suggestion would
result in higher electric costs for citizens in these regions. Or perhaps people who run both
fans and air conditioners live in regions where there is less need for artificial cooling. This
would explain why total electric costs in these regions are comparatively low. If this is the case,
then implementing the proponent's suggestion might still result in higher electric costs for
citizens in other regions.
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