2015年GMAT逻辑推理模拟测试题及答案

　　TEST B

　　Time 30 minutes 20 Questions

　　1. Below is an excerpt from a letter that was sent by the chairman of a corporation to the stockholders.A number of charges have been raised against me, some serious, some trivial. Individuals seeking to control the corporation for their own purposes have demanded my resignation. Remember that no court of law in any state has found me guilty of any criminal offense whatsoever. In the American tradition, as you know, an individual is considered innocent until proven guilty. Furthermore, as the corporation’s unbroken six-year record of growth will show, my conduct of my official duties as chairman has only helped enhance the success of the corporation, and so benefited every stockholder.Which of the following can be properly inferred from the excerpt?

　　(A) The chairman believes that all those who have demanded his resignation are motivated by desire to control the corporation for their own purposes.

　　(B) Any misdeeds that the chairman may have committed were motivated by his desire to enhance the success of the corporation.

　　(D) The corporation has expanded steadily over the past six years.

　　(E) Any legal proceedings against the chairman have resulted in his acquittal.

　　2. In the years since the city of London imposed strict air-pollution regulations on local industry, the number of bird species seen in and around London has increased dramatically. Similar air-pollution rules should be imposed in other major cities.Each of the following is an assumption made in the argument above EXCEPT:

　　(A) In most major cities, air-pollution problems are caused almost entirely by local industry.

　　(B) Air-pollution regulations on industry have a significant impact on the quality of the air.

　　(D) An increase in the number of bird species in and around a city is desirable.

　　(E) The increased sightings of bird species in and around London reflect an actual increase in the number of species in the area.

　　3. Which of the following best completes the passage below?In opposing government regulation of business, conservatives often appeal to the Jeffersonian ideal of limited government, expressing the wish that government would “get off the backs of the American people.” Yet, paradoxically, many of these same conservatives address questions of private morality, such as those dealing with sexual behavior, by calling for______

　　(A) a return to the restrictive sexual morality of the Victorian era

　　(B) a strengthening of the role of the family in setting moral norms for society

　　(D) greater freedom for individuals to choose their own way of handling sexual issues

　　(E) an increased governmental role in the regulation and control of private sexual behavior

　　Questions 4-5 are based on the following:

　　In an experiment, two different types of recorded music were played for neonates in adjacent nurseries in a hospital. In nursery A, classical music was played; in nursery B, rock music was played. After two weeks, it was found that the babies in nursery A cried less, suffered fewer minor ailments, and gained more weight than did the babies in nursery B.

　　4. In evaluating the validity of the conclusion suggested by the experiment above, it would be most important to know which of the following?

　　(A) The musical preferences of the parents of the two groups of newborns

　　(B) Whether the newborns in both nurseries were equally healthy and happy at the start of the experiment

　　(D) What the average weight of the neonates was before and after the experiment

　　(E) Whether the music was played in the nurseries at all times or only at certain times

　　5. Which of the following additional experimental data would support the hypothesis that classical music is beneficial to the development of newborn?

　　(A) The neonates in a nursery where no music was played fared better than those in nursery B.

　　(B) Nursery A contained 15 percent more premature babies than nursery B.

　　(C) The newborns in nursery A cried less, suffered fewer minor ailments, and gained more weight than did newborns in a nursery with no music.

　　(D) The music played in nursery A was louder than that played in nursery B.

　　(E) The ratio of nurses to newborns in nursery B was 1 to 4; in nursery A, it was 1 to 6.

　　6. The ancient city of Cephesa was not buried by an eruption of Mt. Amnos in A.D. 310, as some believe. The eruption in the year 310 damaged the city, but it did not destroy it. Cephesa survived for another century before it finally met its destruction in another eruption around A.D. 415.Which of the following, if true, would most strengthen the author’s claim that the city of Cephesa was not buried by the eruption of Mt. Amnos in A.D. 310?

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