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[资料下载] 2013版新GMAT OG逻辑题目解析(共25题)

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 楼主| 发表于 2012/7/4 17:09:48 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(11)
The tulu, a popular ornamental plant, does not reproduce naturally, and is only bred and sold by specialized horticultural companies. Unfortunately, the tulu is easily devastated by a contagious fungal rot. The government ministry plans to reassure worried gardeners by requiring all tulu plants to be tested for rot before being sold. However, infected plants less than 30 weeks old have generally not built up enough fungal rot in their systems to be detected reliably. And many tulu plants are sold before they are 24 weeks old.
  T是一种很受欢迎的观赏类植物,并且那只能在特殊的园艺公司培植并销售。不幸的是,T非常容易接触到真菌并腐烂毁掉。政府内阁打算要求所有的T在出售 之前都要经过真菌测试,以使花匠安心。然而,被感染的植物在30周内并没有形成足以让系统检测出来的真菌量。而很多T都是在24周的时候就被卖出了。
  Which of the following, if performed by the government ministry, could logically be expected to overcome the problem with their plan to test for the fungal rot?
  以下哪一项,如果被政府内科实行的话,将会克服这个测试真菌腐烂的 问题?
  (A) Releasing a general announcement that tulu plants less than 30 weeks old cannot be effectively tested for fungal rot
  放出公告说少于30州的T不能有效地被测试出真菌。
  (B) Requiring all tulu plants less than 30 weeks old to be labeled as such
  要求所有少于30周的T就照本身标签
  (C) Researching possible ways to test tulu plants less than 24 weeks old for fungal rot
  研究一种可行的方法检测出少于24周的T中的真菌
  (D) Ensuring that tulu plants not be sold before they are 30 weeks old
  确保在他们满30周以前不要出售
  (E) Quarantining all tulu plants from horticultural companies at which any case of fungal rot has been detected until those tulu plants can be tested for fungal rot
  当一个园艺公司检测出出来真菌后,隔离所有园艺公司的T直到可以被检测出真菌。
  解析:这是一个加强题,结论在问题当中,加强政府实行那个政策的确可以达到目的的选项,一定要结合文章中政府的计划。
  A 并不能够有效地解决那个计划中的问题,无关选项。
  B 标签并不能够解决问题,无关选项。
  C 违反文章事实性前提,文章说24周的T就是检测不出真菌。
  D 如果确保在30周之前不要卖出的话,就可以在30周的时候检测出真菌,从而克服了政府计划的问题。正确答案
  E 无法克服文章中计划的困难,这是另外一个计划。

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 楼主| 发表于 2012/7/4 17:10:44 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(12)
Although the number of large artificial satellites orbiting the Earth is small compared to the number of small pieces of debris in orbit, the large satellites interfere more seriously with telescope observations because of the strong reflection they produce. Because many of those large satellites have ceased to function, the proposal has recently been made to eliminate interference from nonfunctioning satellites by exploding them in space. This proposal, however, is ill conceived, since .
  虽然与环绕地球轨道上的小块碎片的数目相比,环绕地球运转的大型人造卫星的数目小,但是大型卫星对于望远镜观测的干扰更严重,因为他们产生强烈的反射。因为许多这样的大型卫星已经停止运作,最近有建议提出将这些没有运作的大型卫星炸掉,以消除对于观测的干扰。然而这个建议是拙劣的,因为。
  (A) many nonfunctioning satellites remain in orbit for years
  (B) for satellites that have ceased to function, repairing them while they are in orbit would be prohibitively expensive
  (C) there are no known previous instances of satellites’ having been exploded on purpose
  (D) the only way to make telescope observations without any interference from debris in orbit is to use telescope launched into extremely high orbits around the Earth
  (E) a great increased number of small particles in Earth’s orbit would result in a blanket of reflections that would make certain valuable telescope observations impossible
  (A) 许多没有运作的卫星还持续在环绕地球的轨道上运转很多年
  (B) 对于已经停止运作的卫星来说,在它们还在轨道上的时候对其进行修理是非常昂贵的
  (C) 没有已知的将卫星故意炸掉的先例
  (D) 想要进行没有任何来自轨道上碎片的干扰的望远镜观测的唯一方法是使用被发射到非常高的围绕地球轨道的望远镜
  (E) 地球轨道中大量的小碎片会导致成群的反射现象,继而让获得任何有价值的望远镜观测变得不可能
  解析:
  A选项让炸掉卫星的政策更合理,与文章观点相反。不运作的卫星呆在轨道上不离开,又对观测有影响,就需要炸掉。
  B选项同上。修理成本太高,难以负担,还不如炸掉。
  C选项没有对文章结论起到支持作用。没有先例不能说明不该炸掉卫星。
  D选项说明有其他方式排除观测干扰,但是不能说明炸掉卫星的建议不合理,炸掉卫星也能起到排除干扰的作用。
  E选项正确。直接说明炸掉卫星带来的小碎片可能对观测产生更严重的干扰,也就体现出为了排除干扰炸掉卫星是不合理的,不能达到期望的效果,反而更糟。

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 楼主| 发表于 2012/7/4 17:11:12 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(13)
Which of the following most logically completes the argument?
  Sviatovin is a medieval Moringian text whose author and exact date of composition are unknown. However, the events in the life of Prince Sviatov that the text describes occurred in 1165, and in the diagram of Sviatov’s family that accompanies the text his father, who died in 1167, is identified as still living. Thus Sviatovin must have been written between 1165 and 1167, assuring that.
  翻译:
  下列哪项最符合逻辑地将以下论证文章补充完整?
  Sviatovin是一个中世纪的Moringian文本,它的作者和写作的确切日期不明。然而,文中描写的Sviatov王子的生平故事发生在1165年。 并且在附文的Sviatov家庭图表中,出现了于1167年去世的S王子之父,在图画中仍然活着。 因此Sviatovin一定是在1165年至1167年之间写的,假定以下条件成立的话: 。
  (A) the life of Prince Sviatov is not the subject of any other medieval Moringian texts
  (B) the author of Sviatovin intended it to provide as accurate a report about Prince Sviatov’s exploits as possible
  (C) the diagram accurately represents the composition of Sviatov’s family at the time Sviatovin was written
  (D) Sviatovin is the earliest Moringian text whose composition can be dated to within a few years
  (E) Sviatovin was not written by Sviatov’s father himself
  (A) 王子Sviatov的生活不是任何其他的中世纪Moringian文本的主题
  (B) Sviatovin的作者旨在提供尽可能准确的对王子Sviatov的记录
  (C) 图表准确地反映出Sviatovin被写作时Sviatov的家庭构成
  (D) Sviatovin是最早的可以在几年内追溯到写作日期的Moringian文本
  (E) Sviatovin 不是Sviatov的父亲写的
  解析:
  A选项关注有没有其他文本描写S王子,跟论证结论无关。
  B选项关注文本中描述的准确性,不能支持。
  C选项确切说明:如果文中由图画中人物推测出文本写作时间的结论要成立,必须建立在图画真实准确反应史实的基础上,不然就不能用作推测出结论的依据了。
  D选项关注文本的写作时间是不是最早,与文中结论无关。
  E选项 如果是他父亲写的,还能说明写作时间最晚追溯到他父亲的死亡。而E选项说不是他父亲写的,就无法作为推测出写作时间的证据了。

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 楼主| 发表于 2012/7/4 17:11:56 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(14)
Maize contains the vitamin niacin, but not in a form the body can absorb. Pellagra is a disease that results from niacin deficiency. When maize was introduced into southern Europe from the America in the eighteenth century, it quickly became a dietary staple, and many Europeans who came to subsist primarily on maize developed pellagra. Pellagra was virtually unknown at that time in Americas, however, even among people who subsisted primarily on maize.
  Which of the following, if true, most helps to explain the contrasting incidence of pellagra described above?
  (A) Once introduced into southern Europe, maize became popular with landowners because of its high yields relative to other cereal crops.
  (B) Maize grown in the Americas contained more niacin than maize grown in Europe did.
  (C) Traditional ways of preparing maize in the Americas convert maize’s niacin into a nutritionally useful form.
  (D) In southern Europe many of the people who consumed maize also ate niacin-rich foods.
  (E) Before the discovery of pellagra’s link with niacin, it was widely believed that the disease was an infection that could be transmitted from person to person.
  翻译:
  玉米中含有一种维生素烟酸,但它在玉米中的构成形式是人体不可吸收的。糙皮病是一种因缺乏烟酸导致的疾病。18世纪时,当玉米从美洲引入到欧洲南部后,它迅速成为主食,许多主要吃玉米的欧洲人来得了糙皮病。然而,当时在美洲,即使是在主要吃玉米的人当中,糙皮病其实都还是未知的。
  下列哪项,如果为真时,最有助于解释如上所述中糙皮病的不同发病率呢?
  (A) 玉米被介绍到欧洲南部后成为地主当中流行的食物,因为其相对其他谷物产量高。
  (B) 在美洲种植的玉米比在欧洲种植的玉米含有较多的烟酸。
  (C) 在美洲,烹调玉米的传统方式将玉米中的烟酸转换成营养可用的形式。
  (D) 在欧洲南部的许多吃玉米的人也吃烟酸丰富的食物。
  (E) 发现糙皮病与烟酸有关之前,它被广泛认为是可以从人到人传播感染的。
  解析:
  A选项说明玉米流行的人群和原因,但是不能解释为何欧洲人多得病而美洲人不得病。
  B选项成立的话,文中现象就更奇怪了,叶酸摄入更多的美洲人为何不得病呢?不能解释。
  C选项正确,说明了是因为美洲人烹调准备玉米的方式不同,转化了不易吸收的叶酸,所以不得病。
  D选项不但没解释欧洲人和美洲人得病现象不同,还让现象更奇怪了。得病是因为缺乏叶酸,欧洲人吃了富含叶酸的食物为何还是得病呢?
  E选项的内容讲述人们当时的想法,认为病跟叶酸无关,也不能解释文中矛盾现象。

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 楼主| 发表于 2012/7/4 17:12:24 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(15)
Which of the following most logically complete the passage?
  A recent government study links the high rates of respiratory ailment in Groverston to airborne pollutants released by the Woodco plywood manufacturing plant there. To address the problem, the government imposed strict regulations on emissions which will go into effect in four years. Although Woodco plans to cut its emissions in half two years ahead of schedule, it is unlikely that the rate of respiratory ailments will decline before the regulations go into effect, since .
  (A) the number of facilities capable of treating respiratory ailments is not likely to increase
  (B) reducing emissions even further than planned would necessitate decreasing production at Woodco
  (C) it is difficult to make accurate, long-term predictions about emissions
  (D) not all respiratory ailments are caused by airborne pollutants
  (E) three new plywood manufacturing plants are about to go into production in Groverston
  翻译:
  下列哪项最符合逻辑的将文章补充完整?
  最近的一项政府研究将呼吸道疾病在Groverston的高发病率和Woodco胶合板生产厂排放的空气污染物联系起来。为了解决这个问题,政府实施了严格的将在四年内生效的关于排放的规定。虽然Woodco计划提前两年将其排放量削减一半,呼吸系统疾病的发病率还是不太可能在法规生效之前下降,因为。
  (A) 能治疗呼吸系统疾病的机构数量是不太可能增加
  (B) 比计划之中更进一步减少排放量将必需减少Woodco的生产量
  (C) 做出准确的,长期的排放量预测是很难的
  (D) 并不是所有的呼吸系统疾病是由空气中的污染物造成的
  (E) 三个新的胶合板生产厂即将在Groverston投产
  解析:
  整篇文章关注的是空气污染物排放和呼吸道疾病之间的因果关系,A选项和B选项与文章结论无关。
  C选项也不能对原文结论进行支持,只能说明能得出的结论不明朗,很难做到准确。
  D选项对原文中的因果关系进行削弱,指出其他原因可能存在,不支持结论。
  E选项正确,直接导致文章结论中的结果发生。W厂受到法规约束减少排放,而其他的厂让可能排放污染物,导致患病率不降。

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 楼主| 发表于 2012/7/4 17:13:21 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(16)
Which of the following most logically complete the passage?
  Pecan growers get a high price for their crop when pecans are comparatively scarce, but the price drops sharply when pecans are abundant. Thus, in high-yield years, growers often hold back part of their crop in refrigerated warehouses for one or two years, hoping for higher prices in the future. This year’s pecan crop was the smallest in five years. It is nonetheless quite possible that a portion of this year’s crop will be held back, since.
  (A) each of the last two years produced record-breaking pecan yields
  (B) the quality of this year’s pecan crop is no worse than the quality of the pecan crops of the previous five years
  (C) pecan prices have not been subject to sharp fluctuation in recent years
  (D) for some pecan growers, this year’s crop was no smaller than last year’s
  (E) the practice of holding back part of one year’s crop had not yet become widespread the last time the pecan crop was as small as it was this year
  翻译:
  下列哪项最符合逻辑的将文章补充完整?
  当山核桃相对稀缺时,山核桃种植者获得的农作物的价格高,但是山核桃产量丰富时价格又急剧下降。因此,种植者在高产年经常将山核桃放在冷藏仓库中放置一两年,希望价格在未来上涨。今年的山核桃产量在这五年中是最小的。但是很有可能今年的一部分收成将被贮藏,因为。
  (A) 过去两年中每年都有破纪录的山核桃产量
  (B) 今年的山核桃作物的质量不比过去五年的作物质量差
  (C) 近年来山核桃的价格并没有受到大幅波动
  (D) 对于一些山核桃种植户来说,今年的收成不比去年的更少
  (E) 上一次山核桃作物的产量如今年的产量一样少时,贮藏作物的做法还没有流行
  解析:
  文中说明贮藏的做法是为了通过调节市场上的作物产量从而获得更高的价格,要支持文章结论,需找到影响市场上山核桃数量的前提条件。
  A选项最为直接,说明前两年的产量大,存货多,影响价格,今年的产量小并不等于市场上的供货少,所以还是贮藏作物。
  B选项和C选项无关。
  D选项只能说明两年产量都少,如果成立的话,市场上存货少,就不应该贮藏了。
  E选项只能说明以前贮藏不流行,但是无法支持文中推测出的关于现在贮藏的结论。

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 楼主| 发表于 2012/7/4 17:14:07 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(17)
Which of the following most logicallycompletes the argument?
  By competing with rodents for seeds, blackants help control rodent populations that pose a public health risk. However, avery aggressive species of black ant, the Loma ant, which has recently invadeda certain region, has a venomous sting that is often fatal to humans. Therefore,the planned introduction into that region of ant flies, which prey on Lomaants, would benefit public health, since.
  (A) ant flies do not attack blackants other than Loma ants
  (B) Loma ants are less effectivethan many bird species in competing with rodents for seeds
  (C) certain other species of blackants are more effective than ants in competing with rodents for seeds
  (D) the sting of Loma ants can alsobe fatal to rodents
  (E) some pesticides that could beused to control Loma ants are harmful to the environment
  【翻译】
  下列哪项最符合逻辑地将以下论证文章补充完整?
  由于黑蚂蚁与啮齿类敌人竞争获得种子,它们帮助控制对公共健康构成风险的啮齿动物数量。然而,黑蚂蚁中的一种非常具有进攻性的L蚂蚁最近入侵某一个地区,它们的毒刺对人类来说往往是致命的。因此,将捕食L蚂蚁的蚁蝇引进到该地区的计划将有利于公众健康,因为。
  (A) 蚁蝇不攻击除L蚂蚁之外的黑蚂蚁
  (B) 在与啮齿类敌人竞争种子方面,L蚂蚁不如许多鸟类有效
  (C) 与啮齿类敌人竞争获得种子方面,黑蚂蚁的某些其他物种更有效
  (D) L蚂蚁的毒刺对于啮齿动物来说也可以是致命的
  (E) 一些可以用来控制L蚂蚁的杀虫剂对环境有害

【解析】
  文章论证想要说明因为L蚂蚁有毒刺会致命所以引进蚁蝇有利于公共健康。
  A选项正确,说明蚁蝇会减少L蚂蚁数量,降低健康风险
  B选项和C选项无关对比
  D选项说明L蚂蚁对这一地区有好处,因为它控制了啮齿动物数量,引进蚁蝇消灭了L蚂蚁,可能会造成啮齿动物数量上升,对原文结论没有支持作用,反而削弱,对公共健康不利
  E选项提出另外一种控制L蚂蚁的方式,偏离讨论对象,即引进蚁蝇的方式的好坏。

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 楼主| 发表于 2012/7/4 17:15:02 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(18)
Which of the following most logically completes the argument below?
  下列哪一个选项最能有逻辑地完成下面的论证?
  Using broad-spectrum weed killers on weeds that are competing withcrops for sunlight, water, and nutrients presents a difficulty: how to keep thecrop from being killed along with the weeds. For at least some food crops,specially treated seed that produces plants resistant to weed killers is underdevelopment. This resistance wears off as the plants mature. Therefore, thespecial seed treatment will be especially useful for plants that______________.
  使用宽范围除草剂除去与庄稼争抢阳光,水分和营养的杂草面临一个困难:如何保留庄稼随着杂草的被杀死。对于至少一些粮食作物而言,特殊培育的能抵抗除草剂的种子正处于发展之中。这种抵抗会消失随着植物生长成熟。因此,这种特殊的种子培育将会特别有用对于那些植物,这些植物____________。
  (A) producetheir crop over an extended period of time, as summer squash does
  产生收成在一个广大的时间期间,就像summer squash
  (B) producelarge seeds that are easy to treat individually, as corn and beans do
  产生大种子能够容易地个别对待,就像玉米和豆子
  (C) provide,as they approach maturity, shade dense enough to keep weeds from growing
  提供,随着它们接近成熟,遮蔽足够的阴凉来抑制杂草生长
  (D) aretypically grown in large tracts devoted to a single crop
  被通常种植在大片一种单一作物的土地上
  (E) arecultivated specifically for the seed they produce rather than for their leavesor roots
  被特别地为了种子而种植而不是为了它们的叶子或者根茎
  【解析】
  这道题是一道填空题,填空作为一种形式,本质上可以考成各种题型,而本题考察的归纳,即正确答案应该能够从文章中推理出来。ABDE中的作物依旧都可以随着作物的生长,其抵抗杀虫剂的能力会消失。只有C选项中的作物,随着其自身生长成熟,可以抑制杂草生长,从而使得文章中所描述的对于种子的特殊培育有了意义,为正确答案。

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 楼主| 发表于 2012/7/4 17:15:43 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(19)
Which of the following most logically completes the argument?
  下列哪一个选项最能有逻辑地完成下面的论证?
  The attribution of the choral work Lacrimae to the composer Pescard (1400-1474) has been regarded astentative, since it was based on a single treatise from the early 1500s thatnamed Pescard as the composer. Recently, several musical treatises from thelate 1500s have come to light, all of which name Pescard as the composer of Lacrimae. Unfortunately, these newlydiscovered treatises lend no support to the attribution of Lacrimae to Pescard, since _____________.
  赞美诗作品L的归属于给作曲家P(1400-1474)已经被认为是试验性的,因为这基于一篇单一的论文,这篇论文来自于1500年代早期提名为P作为作曲家。最近,一些来自于1500年代晚期的音乐论文公之于众,所有都是提名P作为L的作曲家的。遗憾的是,这些新发现的论文并不能支持L归属于P,因为_____________。
  (A) thetreatise from the early 1500s misidentifies the composers of some of themusical works it considers
  来自于1500年代早期的论文错误表明一些所提到的音乐作品的归属作曲家
  (B) theauthor of the treatise from the early 1500s had no very strong evidence onwhich to base the indentification of Pescard as the composer of Lacrimae
  1500年代早期论文的作者没有非常强烈的证据来表明P是L的作曲家
  (C) thereare works that can conclusively be attributed to Pescard that are not evenmentioned in the treatise from the early 1500s
  有一些作品能够被决定性地归属于P,而这些作品甚至没有在1500年代早期的论文中所提及
  (D) thelater treatises probably had no source for their attribution other than theearlier treatise
  后期的论文很有可能没有除了早期论文以外的来源对于其中的归属
  (E) noknown treatises from the 1600s indentifyPescard as the composer of Lacrimae
  没有已知的来自于1600年代的论文表明P是L的作曲家
  【解析】
  针对于A、B和E选项,文章中需要解释的是1500年代晚期发现的论文为什么不能支持L归属于P,而1500年代早期的论文和1600年代的论文均不是文章需解释范围,因此排除。
  C选项中的作品并非文章中所讨论的L,无关项,排除。
  D选项表明晚期的论文其实是来源于早期论文的,那么文章中已经说明早期论文只能是试验性的而不是确定性地说明L归属于P,那么晚期论文自然也同样不能够说明,解释了“1500年代晚期发现的论文为什么不能支持L归属于P”,因而为正确答案。

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 楼主| 发表于 2012/7/4 17:16:11 | 显示全部楼层
2013版新GMAT OG逻辑题目解析(20)
When trying to identify new technologies that promise to transformthe marketplace, market researchers survey the managers of those companies thatare developing new technologies. Such managers have an enormous stake insucceeding, so they invariably overstate the potential of their newtechnologies. Surprisingly, however, market researchers typically do not surveya new technology’s potential buyers, even though it is the buyers-notthe producers-who will ultimately determine a technology’s commercial success.
  当试图去鉴定新技术的时候,这种新技术是保证会改革市场的,市场研究员就调查了那些发展新技术的公司中的经理。这样的经理拥有巨大的利害关系在成功方面,因此他们始终如一地夸张他们新技术的潜能。然而令人惊奇的是,市场研究员通常不会调查一项新技术的潜在购买者,尽管是购买者——而不是生产者——将会最终决定一份技术的商业成功。
  Which of the following, if true, best accounts for the typicalsurvey practices among market researchers?
  下列哪一个选项如果成立,会最好的解释市场研究员的通常调查?
  (A) If anew technology succeeds, the commercial benefits accrue largely to theproducers, not to the buyers, of that technology.
  如果一项新技术成功,那么商业利润会增多主要是给技术的生产者,而不是技术的购买者。
  (B) Peoplewho promote the virtues of a new technology typically fail to consider that theold technology that is currently in use continues to be improved, oftensubstantially.
  提升一项新技术长处的人们经常大致上不会去考虑当前正在使用的老技术去继续改进。
  (C) Investorsare unlikely to invest substantial amounts of capital in a company whose ownmanagers are skeptical about the commercial prospects of a new technology theyare developing.
  投资者不可能投资实质资金的量在一个公司当中,这家公司自己的经理是表示怀疑的对于他们所开发的新技术的商业前景。
  (D) Thepotential buyers for not-yet-available technologies can seldom be reliablyindentified.
  潜在的当前不可行技术的购买者极少能够可信地鉴定。
  (E) Thedevelopers of a new technology are general no better positioned than itspotential buyers to gauge how rapidly the new technology can be efficientlymass-produced.
  一项新技术的开发者通常没有更好的比起新技术的潜在购买者,在估计新技术是如何迅速地有效扩大集中生产的。

【解析】
  根据问题的要求,需要找一个选项能够解释文章中的现象“市场研究员通常不会调查一项新技术的潜在购买者”。
  A、B选项均不能够对于文章现象进行直接解释,因此排除。
  C选项,与投资者没有直接因果关系,因此排除。
  D选项说明基本上没有购买者会可靠可信地鉴定,因而市场研究员不会调查新技术的潜在购买者,相比其他四个选项而言,最能够解释文章中的现象,因此为正确答案。
  E选项与文章所论述的范围不吻合,属于无关项,排除。

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