GMAT考试历年全真试题二(1)

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if the statements above are true which of the following conclusions can be most properly drawn?

(a) the average leagth of time nursing-home residents stayed in nursing homes 　　increased between 1985 and 1988.
(b) the proportion of older people living in nursing hostnes was greater in 1988 　　than in 1975
(c) nursing home admission rates tend to decline whenever occupancy rates 　　rise.
(d) nursing homes built prior to 1985 generally had fewer beds than did aursing 　　homes bulit between 1985 and 1988.
(e) the more beds a sursing home has, the higher its occupancy rate is likely 　　to be.

7. firms adopting "profit-related-pay" (prp) contracts pay wages at levels that vary with the flrm s prooths in the metalworking industry last year, firms with prp contracts in place showed productivity per worker on average 13 percent higher than that of theirpetitors who used more traditional contracts.

if on the basis of the evidence above, it is argued that prp contracts increase worker productivity. which of the following if true, would most seriously weaken that graument?

(a) results similar to those cited for the metalworking industry have been found 　　in other industries where prp contracts are used
(b) under prp contracts costs other than labor costs, such asplant machinery 　　and energy make up an incrensed proportion of the total cost of-each unit 　　of output.
(c) because introducing prp contracts greatly changes individual workers 　　relationships to the firm negotiating the introduction of prp contracts is 　plex and time consuming.
(d) many firms in the metalworking industry have modernized production 　　equipment in the last five years, and most of these introduced prp 　　contracts at the same time.
(e) in firms in the metalworking industry where prp contracts are in place the 　　average take-home pay is 15 percent higher than it is in those thrms where 　　workers have more traditional contracts.

8. crops can be traded on the futures market before they are harvested if a poor corn harvest is predicted prices of corn futures rise; if a bountiful corn harvest is predicted prices of corn futures fall this morning meteorologists are predicting muchneeded rain for the corn-growing region starting tomorrow. therefore, since adequate moisture is essential for the current crop s survival prices of corn futures will fall sharply today.

which of the following, if true, most weakens the argument above?

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(a) corn that does not receive adequate moisture druing its critical pollination 　　stage will not produce a bountiful harvest.
(b) futures prices for corn have been fluctuating more dramatically this season 　　than last season
(c) the rain that meteorologists predicted for tomorrow is expected to extend 　　well beyond the corn-growing region.
(d) agriculture experts announced today that a disease that has devastated 　　some of the corn crop will spread widely before the end of the growing 　　season.
(e) most people who trade in corn futures rarely take physical possession of 　　the corn they trade.

9. a discount reatiler of basic household necessities employs thousands of people and pays most of them at the minimum wagte rate, yet following a federally mandated increase of the minimum wage rate that increased the retailer s operating costs considerably, the retailer s profits increased markedly.

which of the following if true, most helps resoive the apparent paradox?

(a) over half of the retailer s operating costs consist of payroll expendintres: yet 　　only a small percentage of those expenditures go to pay management 　　salaries
(b) the retailer s customer base is made up primarily of people who earn or who 　　depend on the earnings of others who earn the minimum wage.
(c) the retailer s operating costs other than wages increased substantially after 　　the increase in the minimum wage rate went into effect
(d) when the increase in the minimum wage rate went into effect the retailer 　　also raised the wage rate for employees who had been carning just above 　　minimum wage.
(e) the majority of the retailer s employees work as cashiers and most cashiers 　　are paid the minimum wage.

10. the cotton farms of country q became so productive that the market could not abort all that they produced consequently cotton prices fell. the government tried to boost cotton prices by offering farmers who took 25 percent of their cotton acreage out of production direct support payments up to a specified maximum per farm.

the government s program if successful will not be a burden on the budget. which of the following if true is the best basis for an explanation of how this could be so?

(a) depressed cotton prices meant operating losses for cotton farms, and the 　　government lost revenue from taxes on farm profits
(b) cotton production in seyeral countries other than q declined slightly the 　　year that the support-payment program went into effect in q.
(c) the first year that the support-payment program was in effect cotton 　　acreage in q was 5% below its level in the base year for the program.
(d) the specified maximum per farm meant that for very large cotton farms the 　　support payments were less per acre for those acres that were withdrawn 　　from production than they were for smaller farms.
(e) parmera who wished to quallfy for support payments could not use the 　　cotton acreage that was withdrawn from production to grow any other crop.

11. unlted states hospitals have traditionally relied primarily on revemes from paying patients to offised losses from unreimbttrsed care. almost all paying patients now rely on governmental or private health insurance to pay hospital bills. recently insures have been strictly limiting what they pay hospitals for the care of insured patients to amounts at or below actual costs.

which of the following conclusions is best supported by the information above?

(a) although the advance of technology has made expensive medical 　　procedures available to the wealthy such procedures are out of the reach of 　　low-ie patients.

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(b) if hospitals do not find ways of raising additional ie for unreimbursed 　　care, they must either deny some of that care or suffer losses if they give 　　it.
(c) some patlents have ies too high for eligibility for governmental health 　　insturance but are unable to afford private insurance for hospital care.
(d) if the hospitals reduce their costs in providing care, insurancepanies 　　will maintain the current level of reimbursement, thereby providing more 　　funds for unreimbused care.
(e) even though philanthropic donations have fraditionally provided some 　　support for the hospitals, such donations are at present declining.

12. generally selentists enter their field with the goal of doing important new research and accept as their collegagues those with similar motivation. therefore wben any scientist wins renown as an expounder of science to general andiences most other scientists conclude that this popularizer should no longer be regarded as a true colleague.

the explanation offered above for the low esteem in which scientifie popularizers are held by research scientists assumes that

(a) serious scientific research is not a solitary activity, but relies on active 　　cooperation among a group of colleagues
(b) reseasch scientists tend not to regard as colleagues those scientists 　　whose renown they eavy
(c) a scientist can be a famous populnrizer without havingpleted any 　　importatn research
(d) research scientists believe that those who are well known as popularizers of 　　science are not motivated to do important new research
(e) no important new research can be accessible to or accurately assessed by 　　those who are not themselves scientists

13. mouth cancer is a danger for people who rarely brush their teeth, in order to achieve early detection of mouth cancer in these individuals, a town s public health officinls sent a pamphlet to all town residents, describing how to perform weekly self-examinations of the mouth for lumps.

which of the following if true is the best criticism of the pamphlet as a method of achieving the public health officials goal?

(a) many dental diseases produce symptoms that cannot be detected in a 　　weekly self-examination
(b) once mouth cancer has been detected the effectiveness of treatment can 　　vary from person to person

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