【专题 GMAT逻辑题】
The number of applications for teachingpositions in Newtown’s public schools was 5.7 percent lower in 1993 than in 1985and 5.9 percent lower in 1994 than in 1985. despite a steadily growing student populationand an increasing number of teacher resignations, however, Newtown does not facea shortage in the late 1990’s. Which ofthe following, if true, would contribute most to an explanation of the apparentdiscrepancy above?
【A】Many of Newtown’s public school studentsdo not graduate from high school
【B】New housing developments planned for Newtownare (shared) for occupancy in 1987 and are expected to increase the number of elementaryschool students in Newtown’s public
【C】The Newtown school board does notcontemplate increasing the ratio of students to teachers in the 1990’s.
【D】Teachers’ colleges in and near Newtownproduced lower graduates in 1994 than in 1993
【E】In 1993 Newtown’s public schools received 40percent more applications for teaching positions than there were positions available

Which of the following mostlogically completes the argument? Sviatovinis a medieval Moringian text whose author and exact date of composition areunknown. However, the events in the life of Prince Sviatov that the textdescribes occurred in 1165, and in the diagram of Sviatov’s family thataccompanies the text his father, who died in 1167, is identified as stillliving. Thus Sviatovin must have been written between 1165 and 1167, assuringthat.

A. thelife of Prince Sviatov is not the subject of any other medieval Moringian texts

B. theauthor of Sviatovin intended it to provide as accurate a report about PrinceSviatov's exploits as possible

C. thediagram accurately represents the composition of Sviatov's family at thetimeSviatovin was written

D.Sviatovin is the earliest Moringian text whose composition can be dated towithin a few years

E Sviatovin was not written by Sviatov's father himself

Question 3

【专题 GMAT逻辑题】

The heavy traffic in Masana isa growing drain on the city’s economy-the clogging of the streets of thecentral business district alone cost the economy more than$1.2 billion over thepast year. In order to address this problem, officials plan to introducecongestion pricing, by which drivers would pay to enter the city’s most heavilytrafficked areas during the busiest times of the day.Which ofthe following, if true, would most strongly indicate that the plan will be asuccess?

A.Approximately one-fifth of the vehicles in the central business district are intransit from one side of the city to the other.

B.Planners expect that, without congestion pricing, traffic in Masana is likelyto grow by 6 percent in the next five years.

C. Inother urban areas, congestion pricing has strongly encouraged carpooling(sharing of rides by private commuters).

D.Several studies have shown that a reduction in traffic of 15 percent in Masanacould result in 5, 500 or more new jobs.

E. Over30 percent of the vehicles in the city’s center are occupied by more than oneperson.

Question 4

【专题 GMAT逻辑题】

Which of the following mostlogically complete the passage?

A recent government study links the highrates of respiratory ailment in Groverston to airborne pollutants released bythe Woodco plywood manufacturing plant there. To address the problem, thegovernment imposed strict regulations on emissions which will go into effect infour years. Although Woodco plans to cut its emissions in half two years aheadof schedule, it is unlikely that the rate of respiratory ailments will declinebefore the regulations go into effect, since .

(A) the number of facilities capable oftreating respiratory ailments is not likely to increase

(B) reducing emissions even further thanplanned would necessitate decreasing production at Woodco

(C) it is difficult to make accurate,long-term predictions about emissions

(D) not all respiratory ailments are causedby airborne pollutants

(E) three new plywood manufacturing plantsare about to go into production in Groverston

Question 5

【专题 GMAT逻辑题】

Maize contains the vitaminniacin, but not in a form the body can absorb. Pellagra is a disease thatresults from niacin deficiency. When maize was introduced into southern Europefrom the America in the eighteenth century, it quickly became a dietary staple,and many Europeans who came to subsist primarily on maize developed pellagra.Pellagra was virtually unknown at that time in Americas, however, even among peoplewho subsisted primarily on maize.

Whichof the following, if true, most helps to explain the contrasting incidence ofpellagra described above?

(A)Once introduced into southern Europe, maize became popular with landownersbecause of its high yields relative to other cereal crops.

(B)Maize grown in the Americas contained more niacin than maize grown in Europedid.

(C)Traditional ways of preparing maize in the Americas convert maize’s niacin intoa nutritionally useful form.

(D)In southern Europe many of the people who consumed maize also ate niacin-richfoods.

(E) Before the discovery of pellagra’slink with niacin, it was widely believed that the disease was an infection thatcould be transmitted from person to person.

Question 6

【GMAT逻辑试题】

保护思想自由的人争论说，思想自由是智力进步的前提条件。因为思想自由允许思考者随求自己的想法，而不管这些想法会冒犯谁，以及会把他们引到什么方向。然而，一个人必须挖掘出与某些想法会冒犯谁，以及会把他们引到什么方向。然而，一个人必须挖掘出与某些想法相关的充分联系，才能促使智力进步，为此，思考者需要思考法则。所以，关于思想自由的论证是不成立的。
如果以下哪项陈述，能够合乎逻辑地得出上文的结论？

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