【GMAT考满分题库检索】GMAT逻辑CR题库_GMAT 真题

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Magoosh题集

考生使用的相对较少。很多同学用Magoosh题目模考，有一定的训练价值。
其中，CR部分共有 182 题。

题目列表

序号	题目内容
141	At Funston Stores, a salesperson's salary is comprised solely of commissions from sales. A particular salesperson's annual salary was lower in 2009 than in 2008. In both years, all of this salesperson's sales were of only one item, product X, and he made the same number of product X sales in both years. The commission percentage for all Funston salespeople has remained unchanged over the past ten years. The information above most strongly supports which of the following?
142	Despite the anti-virus protection program installed on its computers, SmartTech has received many complaints from consumers that their computers had become infected with viruses. In order to reduce the number of its computers vulnerable to viruses, the CEO of SmartTech Corp. has had the company's engineers install three different virus-blocking programs on each computer before shipping them to consumers. Nevertheless, customer reports of computer viruses have risen since the institution of this initiative.Which of the following, if true, most helps to explain why acting on the CEO's plan failed to achieve her goal?
143	Political Analyst: "Although citizens of this state normally oppose any new taxes, they are overwhelmingly in favor of taxes that support the medical initiative. Candidate Johnson vowed to cut these taxes, and he was trounced in the primary elections. Furthermore, in a poll that asked citizens, "Would you pay higher taxes if it meant having the benefit of the new medical initiative?", an astonishing 82% replied "Yes." This is a pattern of support for taxes we have not seen before in this state."In the political analyst's argument, the portion in boldface plays which of the following roles?
144	Phytonutrients, found in fresh fruits and vegetables, have beneficial effects on the human cardiovascular system. Because heart disease is a major health concern, American doctors should encourage all people, especially those with heart disease, to eat a diet high in fresh fruits and vegetables.Which of the following, if true, provides the most support for the argument above?
145	In 1995, ecologists started to reintroduce the wolf into Yellowstone Park, where the wolf had been eliminated intentionally half a century earlier. Rangers expected a rise in the number of wolf would place limits on the elk population and on the populations of many mid-size mammals. One unexpected consequence was a dramatic rise in the population of foxes, which in turn helped to control many rodent populations. Which of the following, if true, most helps explain the dramatic rise in the fox population?
146	The city of Carina is considering implementing an Alternative Minimum Tax (AMT) for taxpayers earning more than 90% of the population, those individuals who earn more than $350,000 annually. Under this tax plan, Carina citizens in the AMT bracket would be exempt from paying taxes on the first $80,000 of their income and be taxed at a flat rate on the income thereafter. People paying the AMT would not be given allowances regular taxpayers are, such as deductions for children, healthcare expenses, or college tuition.Which of the following would be most important to determine in order to evaluate whether implementing the AMT plan would be profitable for the city of Carina?
147	The Aquipos toucan is able to use its long beak to reach inside apertures in a tree’s bark and feed on the insects that dwell within and that are the toucan’s main food source. Several noted ornithologists have speculated that because the toucan’s beak is curved in a manner similar to the openings in the bark, the beak evolved so that the toucan can best take advantage of the insects lying deep inside. Which of the following, if true, argues most strongly against the ornithologists’ speculation?
148	A successful clothing department store, in a central downtown location of a certain city, is of a limited size and has grown so much over the past year that it needs to expand. There are a few other slightly larger available retail lots in the downtown regions for sale, but the prices per square foot are quite high. The management finds that cost per square foot of lots in a suburb a few miles from downtown is almost half of that in the downtown region, so they plan to relocate there to save costs. Which of the following, if true, most seriously undermines this plan?
149	Medical Investigator: "Podiatrists initially assumed that Meyer's Rash, an itchy rash between the toes, was a fungal infection similar to athlete's foot. At first, only Dr. Pannikar argued that Meyer's Rash was viral in nature. All anti-fungal medications proved utterly ineffective in addressing Meyer's Rash. Now, recent antibody studies seem to suggest, quite surprisingly, that Meyer's Rash is caused by a virus."In the medical investigator's argument, the portion in boldface plays which of the following roles?
150	Egidio's Gym has been in operation for seven years, and offers regular weekly weight training and aerobic classes, as well as occasional programs in dance and martial arts. The gym has seen a surge of new members in the past twelve months, despite keeping the same membership fee over the past three years. Of the 450 current members, more than 250 have joined in the past year. Clearly, the membership of Egidio's Gym has risen a significant amount because of its superior facilities. Which of the following is an assumption on which the argument depends?
151	The waters off the coast of Iceland are filled with pods of killer whales, which migrate there during the summer. Wildlife parks that rely on the killer whales for entertainment hunt the killer whale almost exclusively in the water of Iceland, because strict sanctions forbid them from doing so off the coast of North America, an area also abundant in killer whales. Since Iceland recently gave into pressure from international groups opposed to the hunting of killer whales, it too will forbid the hunting of killer whales off its coast. Therefore, all wildlife parks will be forced to end their shows featuring killer whales once their current killer whales are unable to perform. All of the following cast doubt on the conclusion of the argument EXCEPT?
152	Burr Incorporated spends approximately 20% of its budget on employee benefits. In an effort to curb costs, Human Resources has decided to run a pilot program with volunteer employees, in which volunteers received a 5% raise in pay for a 25% reduction in benefits. During the first year of the pilot program, the volunteers’ productivity matched or exceeded their previous performance. Burr Inc. has concluded that implementing the pilot program company-wide will not only save Burr money, but also increase productivity.Which of the following, if true, would provide the strongest justification for Burr Inc. not to implement the pilot program company-wide?
153	A high percentage of injuries to the anterior cruciate ligament (ACL) occurs in athletes. A sophisticated statistical analysis looked at the number of athletes who suffered an ACL injury, and assigned numerical values to both the nature of the stress that produced the injury and to the resultant level of damage to the ACL. Researchers expected that, controlling for level of injury-causing stress, all athletically inclined individuals would show similar tendency toward ACL injury regardless of the specific sport. A surprising outcome is that, equalizing for injuring-causing stress, it appears that gymnasts have a much higher tendency toward ACL injury than do members of the National Football League (NFL), but this is most likely because _______________ Which of the following most logically completes the argument?
154	While antibiotics have done inestimable good to humankind over the last seventy years, there are several drawbacks to using antibiotics that, until recently, have been overlooked. The human microbiome, which consists of the trillions of bacteria that reside in each person’s body, is essential to good health. Specifically, the body contains and requires both “good” and “bad” bacteria. It is when the proper equilibrium between the “good” bacteria and the “bad” bacteria is disrupted that a number of health issues can emerge. Nonetheless, antibiotics indiscriminately kill both the “good” and the “bad” bacteria, so each course of antibiotics should be followed by a treatment that ___________________________________. Which of the following most logically completes the argument above?
155	India ranks fifth in the world production of coffee. Popular thought has long associated India with tea and especially with masala chai, but clearly, we need to recognize India as one of the great coffee-drinking nations as well. This argument is flawed primarily because the author
156	A large apartment building in a city was assessed by a city environmental bureau for the comparatively high consumption of electricity in the building, and the landlord was threatened with a possible fine if the consumption did not drop significantly in a specified period. While all built-in appliances and lighting in common areas are energy efficient, the landlord found, upon doing an inspection, many residents were using older portable heaters that are not very energy efficient. The landlord decided to send each resident a detailed letter about the electric energy consumption of these older portable heaters, recommending newer more energy efficient models that could be purchased at local stores. He hopes the letter will motivate enough residents to buy more energy efficient heaters. Which of the following, if true, would provide most support for the prediction that the landlord's letter will have its intended effect?
157	A large apartment building in a city was assessed by a city environmental bureau for the comparatively high consumption of electricity in the building, and the landlord was threatened with a possible fine if the consumption did not drop significantly in a specified period. While all built-in appliances and lighting in common areas are energy efficient, the landlord found, upon doing an inspection, many residents were using older portable heaters that are not very energy efficient. The landlord decided to send each resident a detailed letter about the electric energy consumption of these older portable heaters, recommending newer more energy efficient models that could be purchased at local stores. He hopes the letter will motivate enough residents to buy more energy efficient heaters. Which of the following, if true, would provide most support for the prediction that the landlord's letter will have its intended effect?
158	According to futuristic writings in the 1960s, robots would soon drastically reduce crime. With night vision and ability to detect the chemicals involved in ballistics, such robots could be programed to paralyze anyone roaming the street at night with a gun: virtually all criminals fit that description. These criminals would be incapacitated and thus unable to resist an easy arrest.Which of the following, if true, most strongly indicates that the logic of the prediction is flawed?
159	In the next decade, a large percentage of municipalities throughout the country will experience power failures if they do not modernize their electrical substations. The vast majority of substations in the country already handle currents between 60% and 80% of their maximum capacity, and currents are expected to rise, perhaps by as much as a factor of 3 in the next decade, because of population increase and the increased demand from both industry and electronics in individual homes. Which of the following is an assumption of the above argument?
160	The Yorgorian people, many of whom still live in the jungle in traditional conditions, eat many meats of jungle mammals, resulting in a cuisine that is high in the protein RX7G, much higher than the cuisine of the industrial nation of Transpraxia. Medical research has shown a high correlation between the protein RX7G and coronary heart disease, and yet, the Yorgorian people have a much lower incidence of such disease than found in Transpraxia. Medical researchers have dubbed this the Yorgorian Paradox. Which of the following, if true, helps to explain the Yorgorian Paradox?

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