A.An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.
B.One-half of all departing flights in the nation"s busiest airport head for a destination in a major city 225 miles away.
C.The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.
D.Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.
E.A large proportion of air travelers are vacationers who are taking long-distance flights.
第1题
e in public schools. The shortage of teachers is primarily caused by the fact that in recent years teachers have not experienced any improvements in working conditions and their salaries have not kept pace with salaries in other professions. Which of the following, if true, would most support the claims above?
A.Many teachers already in the profession would not have been hired under the new hiring standards.
B.Today more teachers are entering the profession with a higher educational level than in the past.
C.Some teachers have cited higher standards for hiring as a reason for the current staffing shortage.
D.Many teachers have cited low pay and lack of professional freedom as reasons for their leaving the profession.
E.Many prospective teachers have cited the new hiring standards as a reason for not entering the profession.
第2题
s. In fact, the quotas will help "mini-mills" flourish in the United States. Those small domestic mills will take more business from the big American steel mills than would have been taken by the foreign steel mills in the absence of quotas. Which of the following, if true, would cast the most serious doubt on the claim made in the last sentence above?
A.Quality rather than price is a major factor in determining the type of steel to be used for a particular application.
B.Foreign steel mills have long produced grades of steel comparable in quality to the steel produced by the big American mills.
C.American quotas on imported goods have often induced other countries to impose similar quotas on American goods.
D.Domestic "mini-mills" consistently produce better grades of steel than do the big American mills.
E.Domestic "mini-mills" produce low-volume, specialized types of steels that are not produced by the big American steel mills.
第3题
omic growth in the coming year. But that prediction would not have adversely affected the dollar had it not been for the government s huge budget deficit, which must therefore be decreased to prevent future currency declines. Which of the following, if true, would most seriously weaken the conclusion about how to prevent future currency declines?
A.The government has made little attempt to reduce the budget deficit.
B.The budget deficit has not caused a slowdown in economic growth.
C.The value of the dollar declined several times in the year prior to the recent prediction of slower economic growth.
D.Before there was a large budget deficit, predictions of slower economic growth frequently caused declines in the dollar s value.
E.When there is a large budget deficit, other events in addition to predictions of slower economic growth sometimes trigger declines in currency value.
第4题
the existence of a noble class. Yet there cannot be a noble class, properly speaking, unless both the titles that indicate superior noble status and the inheritance of such titles are sanctioned by law. Although feudalism existed in Europe as early as the eighth century, it was not until the twelfth century, when many feudal institutions were in decline, that the hereditary transfer of legally recognized titles of nobility first appeared. The statements above, if true, most strongly support which one of the following claims?
A.To say that feudalism by definition requires the existence of a nobility is to employ a definition that distorts history.
B.Prior to the twelfth century, the institution of European feudalism functioned without the presence of a dominant class.
C.The fact that a societal group has a distinct legal status is not in itself sufficient to allow that group to be properly considered a social class.
D.The decline of feudalism in Europe was the only cause of the rise of a European nobility.
E.The prior existence of feudal institutions is a prerequisite for the emergence of a nobility, as defined in the strictest sense of the term.
第5题
from the librarys current, overcrowded building in central Redville to a larger, available building in central Glenwood, the library would then be within walking distance of a larger number of library users. That is because there are many more people living in central Glenwood than in central Redville, and people generally will walk to the library only if it is located close to their homes. Which one of the following, if true, most strengthens the argument?
A.The public library was located between Glenwood and Redville before being moved to its current location in central Redville.
B.The area covered by central Glenwood is approximately the same size as that covered by central Redville.
C.The building that is available in Glenwood is smaller than an alternative building that is available in Redville.
D.Many of the people who use the public library do not live in either Glenwood or Redville.
E.The distance that people currently walk to get to the library is farther than what is generally considered walking distance.
第6题
his year and likely to remain so. Therefore, unless the winter is especially severe, the price of natural gas to industrial customers is also likely to remain low. Which of the following, if true, provides the most support for the conclusion above?
A.Long-term weather forecasts predict a mild winter.
B.The industrial users who consume most natural gas can quickly and cheaply switch to using oil instead.
C.The largest sources of supply for both oil and natural gas are in subtropical regions unlikely to be affected by winter weather.
D.The fuel requirements of industrial users of natural gas are not seriously affected by the weather.
E.Oil distribution is more likely to be affected by severe winter weather than is the distribution of natural gas.
第7题
l regulations requiring a drop in industrial discharges of lead went into effect in 1975, but the major cause of the decline was a 75 percent drop in the use of leaded gasoline between 1975 and 19Which of the following, if true, best supports the claim that the major cause of the decline in the level of lead contamination in United States rives was the decline in the use of leaded gasoline?
A.The level of lead contamination in United States rivers fell sharply in both 1975 and 1983.
B.Most of the decline in industrial discharges of lead occurred before 1976, but the largest decline in the level of river contamination occurred between 1980 and 1985.
C.Levels of lead contamination in rivers fell sharply in 1975 - 1976 and rose very slightly over the next nine years.
D.Levels of lead contamination rose in those rivers where there was reduced river flow due to drought.
E.Although the use of leaded gasoline declined 75 percent between 1975 and 1985, 80 percent of the decline took place in 1985.
第8题
es—up to tenfold variation per hundred thousand between different areas in the numbers of hysterectomies, prostatectomies, and tonsillectomies. To support a conclusion that much of the variation is due to unnecessary surgical procedures, it would be most important to establish which of the following?
A.A local board of review at each hospital examines the records of every operation to determine whether the surgical procedure was necessary.
B.The variation is unrelated to factors(other than the surgical procedures themselves)that influence the incidence of diseases for which surgery might be considered.
C.There are several categories of surgical procedure(other than hysterectomies, prostatectomies, and tonsillectomies)that are often performed unnecessarily.
D.For certain surgical procedures, it is difficult to determine after the operation whether the procedures were necessary or whether alternative treatment would have succeeded.
E.With respect to how often they are performed unnecessarily, hysterectomies, prostatectomies, and tonsillectomies are representative of surgical procedures in general.
第9题
The author implies which of the following about measles?
A.It is not usually a fatal disease.
B.It ceased to be a problem by the seventeenth century.
C.It is the disease most commonly involved in virgin-soil epidemics.
D.It was not a significant problem in Spanish colonies.
E.It affects only those who are immunologically defenseless against it.
第10题
?
A.They mention only epidemics of smallpox.
B.They were instituted in 1492.
C.They were being kept prior to the seventeenth century.
D.They provide quantitative and qualitative evidence about Native American populations.
E.They prove that certain diseases were unknown in the pre-Columbian New World.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!