2011年GMAT逻辑推理试题训练76

来源:育路教育网发布时间:2011-08-27

    11. When a person is under intense psychological stress, his or her cardiovascular response is the same as it is during vigorous physical exercise. Psychological stress, then, must be beneficial for the heart as is vigorous physical exercise.

    The argument above relies on which of the following assumptions?

    (A) Exercise is an effective means of relieving psychological stress.

    (B) The body‘s short-term cardiovascular response to any activity indicates that activity’s long-term effect on the body.

    (C) Cardiovascular response during an activity is an adequate measure of how beneficial the activity is for the heart.

    (D) Psychological stress can have a positive effect on the body.(C)

    (E) Vigorous exercise is the most reliable method of maintaining a healthy heart.

    12. After graduating from high school, people rarely multiply fractions or discuss ancient Rome, but they are confronted daily with decisions relating to home economics. Yet whereas mathematics and history are required courses in the high school curriculum, home economics is only an elective, and few students choose to take it.

    Which of the following positions would be best supported by the considerations above?

    (A) If mathematics and history were not required courses, few students would choose to take them.

    (B) Whereas home economics would be the most useful subject for people facing the decisions they must make in daily life, often mathematics and history can also help them face these decisions.

    (C) If it is important to teach high school students subjects that relate to decisions that will confront them in their daily lives, then home economics should be made an important part of the high school curriculum.

    (D) Mathematics, history, and other courses that are not directly relevant to a person‘s daily life should not be a required part of the high school curriculum.(C)

    (E) Unless high schools put more emphasis on nonacademic subjects like home economics, people graduating from high school will never feel comfortable about making the decisions that will confront them in their daily lives.

    13. Houses built during the last ten years have been found to contain indoor air pollution at levels that are, on average, much higher than the levels found in older houses. The reason air-pollution levels are higher in the newer houses is that many such houses are built near the sites of old waste dumps or where automobile emissions are heavy.

    Which of the following, if true, calls into question the explanation above?

    (A) Many new houses are built with air-filtration systems that remove from the house pollutants that are generated indoors.

    (B) The easing of standards for smokestack emissions has led to an increase in air-pollution levels in homes.

    (C) New houses built in secluded rural areas are relatively free of air pollutants.

    (D) Warm-weather conditions tend to slow down the movement of air, thus keeping pollution trapped near its source.(E)

    (E) Pressboard, an inexpensive new plywood substitute now often used in the construction of houses, emits the pollutant formaldehyde into the house.

    14. The most important aspect of moviemaking is conveying a scene‘s rhythm. Conveying rhythm depends less on the artistic quality of the individual photographic images than on how the shots go together and the order in which they highlight different aspects of the action taking place in front of the camera.

    If the statements above are true, which of the following must be true on the basis of them?

    (A) The artistic quality of the individual photographic image is unimportant in movie photography.

    (B) Photographers known for the superb artistic quality of their photographs are seldom effective as moviemakers.

    (C) Having the ability to produce photographs of superb artistic quality does not in itself guarantee having the ability to be a good moviemaker.

    (D) Movie photographers who are good at their jobs rarely give serious thought to the artistic quality of the photographs they take.(C)

    (E) To convey a scene‘s rhythm effectively, a moviemaker must highlight many different aspects of the action taking place.

    15. Human beings can see the spatial relations among objects by processing information conveyed by light. Scientists trying to build computers that can detect spatial relations by the same kind of process have so far designed and built stationary machines. However, these scientists will not achieve their goal until they produce such a machine that can move around in its environment.

    Which of the following, if true, would best support the prediction above?

    (A) Human beings are dependent on visual cues from motion in order to detect spatial relations.

    (B) Human beings can often easily detect the spatial relations among objects, even when those objects are in motion.

    (C) Detecting spatial relations among objects requires drawing inferences from the information conveyed by light.

    (D) Although human beings can discern spatial relations through their sense of hearing, vision is usually the most important means of detecting spatial relations.(A)

    (E) Information about the spatial relations among objects can be obtained by noticing such things as shadows and the relative sizes of objects.

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