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题库 / OG2017V-CR-124
Newsletter: A condominium generally offers more value for its cost than an individual house because of economies of scale. The homeowners in a condominium association can collectively buy products and services that they could not afford on their own. And a professional management company handles maintenance of common areas, condominium owners spend less time and money on maintenance than individual homeowners do.
The two portions in boldface play which of the following roles in the newsletter's argument?
The first is the argument's main conclusion; the second is another conclusion supporting the first.
The first is a premise, for which no evidence is provided; the second is the argument's only conclusion.
The first is a conclusion supporting the second; the second is the argument's main conclusion.
The first is the argument's only conclusion; the second is a premise, for which no evidence is provided.
Both are premises, for which no evidence is provided, and both support the argument's only conclusion.
And since a professional manage。。。
黑脸题：看上下文很关键
第一句是一个概括，第二句举例子支持第一句，所以使第一句成为一个结论；第三句，⚠️是一个since引导的原因状语从句，since从句作为前提，主句作为结论⚠️；而⚠️AND⚠️连接引导的原因状语从句和前面的第二句，构成并列，作为主结论的前提部分。
日常 boldface 错....... 还是 前提 和 结论 没找清楚