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GMAT考试逻辑试题精选

发布时间:2007-12-21 文字大小:  打印:打印此文

37. Editorialist: Drivers with a large number of demerit points who additionally have been convicted of a serious driving-relative offense should either be sentenced to jail or be forced to receive driver reeducation, since to do otherwise would be to allow a crime to go unpunished. Only if such drivers are likely to be made more responsible drivers should driver re-education be recommended for them. Unfortunately, it is always almost impossible to make drivers with a large number of demerit points more responsible drivers.If the editorialist's statements are true, they provide the most support for which one of the following?

(A) Drivers with a large number of demerit points who have been convicted of a serious driving-related offense should be sent to jail.

(B) Driver re-education offers the best chance of making drivers with a large number of demerit points responsible drivers.

(C) Driver re-education is not a harsh enough punishment for anyone convicted of a serious driving-related offense who has also

(D) Driver re-education should not be recommended for those who have committed no serious

(E) Drivers with a larger number of demerit points but no conviction for a serious driving-related offense should receive driver re-education rather than jail

38. Amphibian populations are declining in numbers worldwide. Not coincidentally, the earth's ozone layer has been continuously depleted throughout the last 50 years. Atmospheric ozone blocks UV-B, a type of ultraviolet radiation that is continuously produced by the sun, and which can damage genes. Because amphibians lack hair, hide, or feathers to shield them, they are particularly vulnerable to UV-B radiation. In addition, their gelatinous eggs lack the protection of leathery or hard shells. Thus, the primary cause of the declining amphibian population is the depletion of the ozone layer.Each of the following, if true, would strengthen the argument EXCEPT:

(A) Of the <I>var</I>ious types of radiation blocked by atmospheric ozone, UV-B is the only type that can damage genes.

(B) Amphibian populations are declining far more rapidly than are the populations of nonamphibian species whose tissues and eggs have more natural protection from UV-B.

(C) Atmospheric ozone has been significantly depleted above all the areas of the world in which amphibian populations are declining.

(D) The natural habitat of amphibians has not become smaller over the past century.

(E) Amphibian populations have declined continuously for the last 50 years.

39. Quasars——celestial objects so far away that their light takes at least 500 million years to reach Earth——have been seen since 1963. For anything that far away to appear from Earth the way quasars do, it would have to burn steadily at a rate that produces more light than 90 billion suns would produce. But nothing that burns at a rate that produces that much light could exist for more than about 100 million years.

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

(A) Instruments in use before 1963 were not sensitive enough to permit quasars to be seen.

(B) Light from quasars first began reaching Earth in 1963.

(C) Anything that from Earth appears as bright as a quasar does must produce more light than would be produced by 90 billion suns.

(D) Nothing that is as far from Earth as quasars are can continue to exist for more than about 100 million years.

(E) No quasar that has ever been seen from Earth exists any longer.

40. More and more computer programs that provide solutions to mathematical problems in engineering are being produced, and it is thus increasingly unnecessary for practicing engineers to have thorough understanding of fundamental mathematical principles. Consequently, in training engineers who will work in industry, less emphasis should be placed on mathematical principles, so that space in the engineering curriculum will be available for other important subjects.

 Which one of the following, if true, most seriously weakens the argument given for the recommendation above?

(A) The effective use of computer program that provide solutions to mathematical problems in engineering requires an understanding of mathematical principles.

(B) Many of the computer programs that provide solutions to mathematical problems in engineering are already in routine use.

(C) Development of composites and other such new materials has meant that the curriculum for engineers who will work in industry must allow time for teaching the properties of these materials.

(D) Most of the computer programs that provide solutions to mathematical problems in engineering can be run on the types of computers available to most engineering firms.

(E) The engineering curriculum already requires that engineering students be familiar with and able to use a <I>var</I>iety of computer programs.

41. Raymond Burr played the role of lawyer Perry Mason on television. Burr's death in 1993 prompted a prominent lawyer to say "Although not a lawyer, Mr. Burr strove for such authenticity that we feel as if we lost one of our own." This comment from a prestigious attorney provides appalling evidence that, in the face of television, even some legal professionals are losing their ability to distinguish fiction from reality.

The reasoning in the argument is flawed because the argument

(A) takes the views of one lawyer to represent the views of all lawyers

(B) criticizes the lawyer rather than the lawyer's statement

(C) presumes that the lawyer is qualified to evaluate the perFORMance of an actor

(D) focuses on a famous actor's portrayal of a lawyer rather than on the usual way in which lawyers are portrayed on television

(E) ignores the part of the lawyer's remark that indicates an awareness of the difference between reality and fiction

42. For next year, the Chef's Union has requested a 10 percent salary increase for each of its members, whereas the Hotel Managers' Union has requested only an 8 percent salary increase for each of its members. These facts demonstrate that the average dollar amount of the raises that the Chefs' Union has requested for next year is greater than that of the raises requested by the Hotel Managers' Union.

Which one of the following, if true, most strengthens the argument?

(A) The Chefs' Union has many more members than does the Hotel Managers' Union.

(B) The Chefs' Union is a more powerful union than is the Hotel Managers' Union and is therefore more likely to obtain the salary increases it requests

(C) The current salaries of the members of the Chefs' Union are, on average, higher than the current salaries of the members of the Hotel Managers' Union

(D) The average dollar amount of the raises that the members of the Chefs' Union received last ear was equal to the average dollar amount of the raises that the members of the Hotel Managers' Union received

(E) The members of the Chefs' Union received salary increases of 10 percent in each of the last two years, while the members of the Hotel Managers' Union received salary increases of only 8 percent in each of the last two years

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