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。
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restaurant would be popular is dubious.
Thirdly, the nationwide study showing clear trends among two-income families toward dining
out and eating healthily does not necessarily apply to Bay City. It is quite possible that Bay
City's two-income families do not follow these general trends. For that matter, in Bay City the
trend might be just the opposite. Thus the nationwide trends that the argument cites amount to
scant evidence that Bay City residents in particular would frequent a new seafood restaurant in
their city.
Fourth, even if most of Bay City's families are following the nationwide trends indicated
above, it is unreasonable to infer that these famih'es will necessarily patronize a new seafood
restaurant in Bay City. For all we know Bay City might boast a variety of health-oriented
restaurants that do not specialize in seafood. For that matter, perhaps Bay City's existing
restaurants are responding to the trends by providing more healthful dishes. Moreover,
perhaps either or both of these trends will soon reverse themselves--at least in Bay City--for
whatever reason. Any of these scenarios, if true, would cast considerable doubt on the
argument's conclusion that a new seafood restaurant in Bay City would be popular and
profitable.
Finally, even if Bay City families flock to the new seafood restaurant, the restaurant would
not necessarily be profitable as a result. Profitability is a function of both revenue and expense.
Thus it is entirely possible that the restaurant's costs of obtaining high-quality, healthful
seafood, or of promoting the new restaurant, might render it unprofitable despite its popularity.
Without weighing revenue against expenses the argument's conclusion is premature at best.
In sum, the argument is unpersuasive as it stands. To bolster it the argument's author must
show--perhaps by way of a reliable citywide study--that the demand among restaurant patrons
for seafood is sufficient to support a new seafood restaurant, and that a sufficient number of
people who order fish at Bay City restaurants will be able and willing to at least try the new
restaurant. The author would also bolster the argument by providing reliable evidence that Bay
City reflects the nationwide trends cited, and that these trends will continue in the foreseeable
future in Bay City. Finally, to better assess the argument I would need detailed cost and
revenue estimates for a new Bay City seafood restaurant--to determine the likelihood that
even a popular such restaurant would turn a profit.
Argument 22
The following appeared in a memo from the president of Viva-Tech, a manufacturer of
high-tech medical equipment.
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