同学们可以把这些GWD逻辑题看作每天练习的素材，通过多多的练习和积累，一定能达到很好的状态。
Q21:
An overwhelming proportion of the most productive employees at SaleCo’s regional offices work not eight hours a day, five days a week, as do other SaleCo employees, but rather ten hours a day, four days a week, with Friday off. Noting this phenomenon, SaleCo’s president plans to increase overall productivity by keeping the offices closed on Fridays and having all employees work the same schedule—ten hours a day, four days a week.
S公司的工作时间一般是一周五天，每天八小时，但是它的最有工作成效的工作人员的工作时间却是一周工作四天，每天工作十小时。注意到这点后，为了增加整个公司的生产量，S公司的老板决定让所有的员工都一周工作四天，每天工作十小时。
Which of the following, if true, provides the most reason to doubt that the president’s plan, if implemented, will achieve its stated purpose?
Typically, a SaleCo employee’s least productive hours in the workplace are the early afternoon hours.每天哪个时间的工作最没效率对题目既没有支持作用也没有削弱作用。
None of the employees who work four days a week had volunteered to work that schedule, but all were assigned to it by their supervisors. 是自觉自愿还是迫于上级压力都不重要，重点是这样的工作时间和高的工作效率是联系在一起的。
Working ten hours a day has allowed the most productive employees to work two hours alone each day in their respective offices relatively undisturbed by fellow employees.如果大家都在同一时间上下班，那么就没有可以不受打扰的时间段。因此可能现在可以高效率工作的员工也变得不那么高效率了。正确。
Employees at SaleCo are compensated not on the basis of how many hours a week they work but on the basis of how productive they are during the hours they are at work.这个是说工作时间不是原因，而是怎么工作是原因。(正确选项必须反映这两种制度的区别并说明这种改变会导致总生产率下降。-------------这句话是LAWYER说的。
Those SaleCo employees who have a four-day workweek do not take any of their office work to do at home on Fridays. 题目告诉我们公司也不需要他们周五在家里加班。
Q28:
Which of the following most logically completes the argument below?
According to promotional material published by the city of Springfield, more tourists stay in hotels in Springfield than stay in the neighboring city of Harristown. A brochure from the largest hotel in Harristown claims that more tourists stay in that hotel than stay in the Royal Arms Hotel in Springfield. If both of these sources are accurate, however, the county’s “Report on Tourism” must be in error in indicating that _______.
事实一：S城出版发行的旅游资料称：入住S城饭店的旅客比住在邻城H城的旅客多。
事实二：H城最大的饭店手册称：入住在这个饭店的游客比入住S城中R饭店的游客多。
如果以上两个事实都是真的，那么以下哪句话是错的：
more tourists stay in hotel accommodations in Harristown than stay in the Royal Arms Hotel 既然H城一家酒店的客人就超过R饭店的客人，那么住在H城的顾客就肯定多于于住在R饭店的顾客。
the Royal Arms Hotel is the only hotel in Springfield 如果是唯一的酒店，那么在住在S城的就不可能比H城多。正确选项。
there are several hotels in Harristown that are larger than the Royal Arms Hotel 有没有比R更大的酒店和有多少人住没有必然联系。无关。
some of the tourists who have stayed in hotels in Harristown have also stayed in the Royal Arms Hotel 从题干中既推不出这个结论也推不出和它相反的结论，所以无关。
some hotels in Harristown have fewer tourist guests each year than the Royal Arms Hotel has 既然H城的入住客人人数少于S城的客人人数，那么这个选项是有可能的。
Q32:
Proposal: Carbon dioxide and methane in the atmosphere block the escape of heat into space. So emission of these “greenhouse” gases contributes to global warming. In order to reduce global warming, emission of greenhouse gases needs to be reduced. Therefore, the methane now emitted from open landfills should instead be burned to produce electricity.
Objection: The burning of methane generates carbon dioxide that is released into the atmosphere. 支持方：空气中的碳二氧化物和甲烷阻止了热量进入太空，所以这温室效应造成了全球性的温暖化。为了缓转这个现象，就应该减少温室效应。所以，现在从开放式垃圾场放射出的甲烷应该被燃烧以转化为电力能源。
反方：燃烧甲烷所产生的碳二氧化物会释放在空气中。
Which of the following, if true, most adequately counters the objection made to the proposal?
Every time a human being or other mammal exhales, there is some carbon dioxide released into the air.这个是在和反方唱反调，意思是你不烧空气中也不可避免的有有大量的碳二氧化物。
The conversion of methane to electricity would occur at a considerable distance from the landfills.距离不在此题的讨论范围。无关。
The methane that is used to generate electricity would generally be used as a substitute for a fuel that does not produce any greenhouse gases when burned. 变在能量后是不是好东西不在讨论范转，反方的立场：因为在变化过程中产生的碳二氧化物，所以反对。
Methane in the atmosphere is more effective in blocking the escape of heat from the Earth than is carbon dioxide. 和碳二氧化物比起来，甲烷更有害。相当于你有两个选择：不吃这顿饭就会饿死，但是如果你吃了这顿饭呢胃会痛一天。你当然选择胃痛而不选择被饿死对不对?所以这个正确。
The amount of methane emitted from the landfills could be reduced if the materials whose decomposition produces methane were not discarded, but recycled.这个是说在一定的前提下，没有必要烧垃圾。这个有可能是第二个反对方提出的意见，但现在的任务是要反驳第一个反方提出的意见。所以无关。
Q33:
Crowding on Mooreville’s subway frequently leads to delays, because it is difficult for passengers to exit from the trains. Subway ridership is projected to increase by 20 percent over the next 10 years. The Metroville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period. Officials predict that this increase is sufficient to ensure that the incidence of delays due to crowding does not increase.
因为人太多经常造成M地的地铁晚点，因为有太多的人需要经过身体搏斗才能冲出车厢。在未来10年内，坐地铁的人还会在增加十个百分点。M交通部位计划在未来10年增加5%的日均地铁运行量，并且预计这样的增加足以让地铁晚点的情况不致于变得更糟。
Which of the following, if true, provides the strongest grounds for the officials’ prediction?
By changing maintenance schedules, the Transit Authority can achieve the 5 percent increase in train trips without purchasing any new subway cars.我们不关心如何达到增加的这5%，我们关心的马上就要增加10%的乘客，在这种情况下怎么可以保持住不需要更激烈的身体博斗和不造成更不可思议的晚点?
The Transit Authority also plans a 5 percent increase in the number of bus trips on routes that connect to subways.多少人会去坐地上交通是个未知数。
For most commuters who use the subway system, there is no practical alternative public transportation available. 乘客人数不会减少只会增加，结论无法就此推出。
Most of the projected increase in ridership is expected to occur in off-peak hours when trains are now sparsely used. 增加的是在高峰期使用，正确。
The 5 percent increase in the number of train trips can be achieved without an equal increase in Transit Authority operational costs. 同A。
Q38:
Three large companies and seven small companies currently manufacture a product with potential military applications. If the government regulates the industry, it will institute a single set of manufacturing specifications to which all ten companies will have to adhere. In this case, therefore, since none of the seven small companies can afford to convert their production lines to a new set of manufacturing specifications, only the three large companies will be able to remain in business.
目前有三个大公司和七个小公司都在生产一种可作军事用的产品。如果政府要管理这个行业，那么它就要制定出一个生产的标准，而这10家公司就必须按这个标准来生产。在这种情况下，因为这七个小公司没有哪一家有能力可以用他们使用的生产线生产出政府标准的产品，所以这个行业将会只有那三个大公司能继续做这个生意。
Which of the following is an assumption on which the author’s argument relies?
None of the three large companies will go out of business if the government does not regulate the manufacture of the product. 他们会不会退出这个市场和政府有没有标准管理这个产品的生产从题中看是没有联系的。
It would cost more to convert the production lines of the small companies to a new set of manufacturing specifications than it would to convert the production lines of the large companies.即使花费的一样多，也有可能小公司承担不了这个费用。
Industry lobbyists will be unable to dissuade the government from regulating the industry.政府采不采取这个行为不在讨论范围，而是如果政府采取了这个行为后，是不是就会有题干中的结论出现?
Assembly of the product produced according to government manufacturing specifications would be more complex than current assembly procedures. 也可能不是更复杂，只是更花钱。这些细节题干并没有告诉我们，所以无关。
None of the seven small companies currently manufactures the product to a set of specifications that would match those the government would institute if the industry were to be regulated.如果他们或其中一家不需要花钱就可以和政府的规定相符，那么就不需要退出这个市场。正确。
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