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representative, valid, and reliable, it can not be used to effectively back the author’s argument.Additionally, the author implies that residents do not use the river for swimming, boating, andfishing, despite their professed interest, because the water is polluted and smelly. While a polluted,smelly river would likely cut down on river sports, a concrete connection between the resident’s lackof river use and the river’s current state is not effectively made. Though there have been complaints,we do not know if there have been numerous complaints from a wide range of people, or perhapsfrom one or two individuals who made numerous complaints. To strengthen his/her argument, theauthor would benefit from implementing a normed survey asking a wide range of residents why theydo not currently use the river.Building upon the implication that residents do not use the river due to the quality of the river’s water and the smell, the author suggests that a river clean up will result in increased river usage. Ifthe river’s water quality and smell result from problems which can be cleaned, this may be true. Forexample, if the decreased water quality and aroma is caused by pollution by factories along the river,
维夕GRE所有GRE真题、机经收录在: Argument 3The following appeared in a memo from a vice president of a large, highly diversified company. "Tenyears ago our company had two new office buildings constructed as regional headquarters for tworegions. The buildings were erected by different construction companies—Alpha and Zeta. Althoughthe two buildings had identical floor plans, the building constructed by Zeta cost 30 percent more tobuild. However, that building's expenses for maintenance last year were only half those of Alpha's. Inaddition, the energy consumption of the Zeta building has been lower than that of the Alpha buildingevery year since its construction. Given these data, plus the fact that Zeta has a stable workforce with