带答案的逻辑讲义

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1、.GMAT逻辑 讲义高智威目 录归纳题 1削弱题 12加强题 37假设题 54解释题 73填空题 83句子作用题 94评价题 1061. 归纳题标志词：做题方法：1.2. 注意事项：1.2. 例题1. Meteorite explosions in the Earths atmosphere as large as the one that destroyed forests in Siberia, with approximately the force of a twelve-megaton nuclear blast, occur about once a century. The re

2、sponse of highly automated systems controlled by complex computer programs to unexpected circumstances is unpredictable.Which of the following conclusions can most properly be drawn, if the statements above are true, about a highly automated nuclear-missile defense system controlled by a complex com

3、puter program?A. Within a century after its construction, the system would react inappropriately and might accidentally start a nuclear war.B. The system would be destroyed if an explosion of a large meteorite occurred in the Earths atmosphere.C. It would be impossible for the system to distinguish

4、the explosion of a large meteorite from the explosion of a nuclear weapon.D. Whether the system would respond inappropriately to the explosion of a large meteorite would depend on the location of the blast.E. It is not certain what the systems response to the explosion of a large meteorite would be,

5、 if its designers did not plan for such a contingency.2. The fewer restrictions there are on the advertising of legal services, the more lawyers there are who advertise their services, and the lawyers who advertise a specific service usually charge less for that service than lawyers who do not adver

6、tise. Therefore, if the state removes any of its current restrictions, such as the one against advertisements that do not specify fee arrangements, overall consumer legal costs will be lower than if the state retains its current restrictions.If the statements in the passage are true, which of the fo

7、llowing must be true?A. Some lawyers who now advertise will charge more for specific services if they do not have to specify fee arrangements in the advertisements.B. More consumers will use legal services if there are fewer restrictions on the advertising of legal service.C. If the restriction agai

8、nst advertisements that do not specify fee arrangements is removed, more lawyers will advertise their services.D. If more lawyers advertise lower prices for specific services, some lawyers who do not advertise will also charge less than they currently charge for those services.E. If the only restric

9、tions on the advertising of legal services were those that apply to every type of advertising, most lawyers would advertise their services.3. Rural households have more purchasing power than do urban or suburban households at the same income level, since some of the income urban and suburban househo

10、lds use for food and shelter can be used by rural households for other needs.Which of the following inferences is best supported by the statement made above?A. The average rural household includes more people than does the average urban or suburban household. B. Rural households have lower food and

11、housing costs than do either urban or suburban households. C. Suburban households generally have more purchasing power than do either rural or urban households. D. The median income of urban and suburban households is generally higher than that of rural households. E. All three types of households s