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OG10阅读总结

Passage 3
Federal efforts to aid minority businesses  began in the
1960’s  when the Small Business Administration (SBA)
began making federally guaranteed loans and govern-
ment-sponsored management and technical assistance
(5) available to minority business enterprises. While this
program  enabled many minority entrepreneurs to
form new businesses, the results were disappointing ,
since managerial inexperience, unfavorable locations,
and capital shortages led to high failure rates. Even  15
(10) years after the program was implemented, minority
business receipts were not quite two percent of the national
economy’s total receipts.15、16题
资助少数民族企业起源于1960年SBA。SBA结果不是很理想。甚至在15年后少数民族的收入都不及总收入的2%。
Recently  federal policymakers have adopted an
approach intended to accelerate development of the
(15) minority business sector by moving away from directly
aiding small minority enterprises and toward supporting
larger, growth-oriented minority firms through interme-
diary companies. In this approach , large corporations
participate in the development of successful and stable
(20) minority businesses by making use of government-
sponsored venture capital.14题 The capital is used by a
participating company to establish a Minority Enterprise
Small Business Investment Company or MESBIC . The
MESBIC then provides capital and guidance to minority
(25) businesses that have potential to become future suppliers
or customers of the sponsoring company.
MESBIC’s are the result of the belief that providing
established firms with easier access to relevant manage-
ment techniques and more job-specific experience, as
(30) well as substantial amounts of capital, gives those firms
a greater opportunity to develop sound business founda-
tions than does simply making general management
experience and small amounts of capital available.
Further,  since potential markets for the minority busi-
(35) nesses already exist through the sponsoring companies,
the minority businesses face considerably less risk in
terms of location and market fluctuation. Following
early financial and operating problems, sponsoring
corporations began to capitalize MESBIC’s far above
(40) the legal minimum of $500,000 in order to  generate
sufficient income and to sustain the quality of manage-
ment needed. MESBIC’c are now emerging as increas-
ingly important financing sources for minority enter-
prises.
近来,政府采用一种新方法资助少数民族企业,新方法从资助少数民族企业转向通过中间企业支持大的、增长为导向的企业。这种方法要求大企业参加。大企业用政府资助资金建立MESBIC. M为将来能成为大企业供应商或顾客的少数民族企业提供资金或管理支持。M帮助少数民族企业获得更好的管理能力,更多的资金等。进一步,由于市场已经存在,选址问题的危险更少。大企业提供的资金远高于政府规定的限额,M已成为少数民族企业的一项重要资金来源。
(45) Ironically , MESBIC staffs, which usually consist of
Hispanic and Black professionals, tend to approach
investments in minority firms more pragmatically than
do many MESBIC directors, who are usually senior
managers from sponsoring corporations. The latter
(50) often still think mainly in terms of the “social responsi-
bility approach” and thus seem to prefer deals that are
riskier and less attractive than normal investment criteria
would warrant. Such differences in viewpoint have pro-
duced uneasiness among many minority staff members,
(55) who feel that minority entrepreneurs and businesses
should be judged by established business considerations.
These staff members believe their point of view is closer
to the original philosophy of MESBIC’s and they are
concerned that, unless a more prudent course is fol-
lowed, MESBIC directors may revert to policies likely
to re-create the disappointing results of the original SBA
approach.
讽刺的是,M员工比领导者更有实用性。M领导者认为应该依照社会责任,他们更喜欢那些更危险利益小的企业。M员工认为这样会导致SBA的结果
pragmatic [præɡ'mætik] adj. 实用主义的;实际的;国事的
prudent ['pru:dənt] adj. 谨慎的;节俭的;精明的
intermediate [,intə'mi:djət, -dieit] vi. 起媒介作用adj. 中间的,中级的n. 中间物;媒介

新老观点对比型
经济类
逻辑简图:SBA资助少数民族企业结果不理想——新的方法M资助更好——M员工比M领导更具实用性

主题题13. Which of the following best states the central idea of the passage?
(A) The use of MESBIC’s for aiding minority entrepreneurs seems to have greater potential for success than does the original SBA approach.(新方法比老方法好)
(B) There is a crucial difference in point of view between the staff and directors of some MESBIC’s.(第三段内容)
(C) After initial problems with management and marketing, minority businesses have begun to expand at a steady rate.没提及
(D) Minority entrepreneurs wishing to form new businesses now have several equally successful federal programs on which to rely. 没提及
(E) For the first time since 1960, large corporations are making significant contributions to the development of minority businesses.(1960没有大公司)

信息题:注意M方法large company的重要性反复提及考点
14. According to the passage, the MESBIC approach differs from the SBA approach in that MESBIC’s
(A) seek federal contracts to provide markets for minority businesses
(B) encourage minority businesses to provide markets for other minority businesses
(C) attempt to maintain a specified rate of growth in the minority business sector
(D) rely on the participation of large corporations to finance minority businesses
(E) select minority businesses on the basis of their location

信息题:注意态度词考点
15. Which of the following does the author cite to support the conclusion that the results of the SBA program were disappointing? 定位第一段
(A) The small number of new minority enterprises formed as a result of the program
(B) The small number of minority enterprises that took advantage of the management and technical assistance offiered under the program
(C) The small percentage of the nation’s business receipts earned by minority enterprises following the programs, implementation.
(D) The small percentage of recipient minority enterprises that were able to repay federally guaranteed loans made under the program
(E) The small number of minority enterprises that chose to participate in the program

信息题:考老观点
16. Which of the following statements about the SBA program can be inferred from the passage? 定位第一段
(A) The maximum term for loans made to recipient businesses was 15 years.
(B) Business loans were considered to be more useful to recipient businesses than was management and technical assistance.
(C) The anticipated failure rate for recipient businesses was significantly lower than the rate that actually resulted.
(D) Recipient businesses were encouraged to relocate to areas more favorable for business development.
(E) The capitalization needs of recipient businesses were assessed and then provided for adequately.

in order to题:原文有in order to,答案与问题在一句话
17. The author refers to the “financial and operating problems”(line 38 ) encountered by MESBIC’s primarily in order to
(A) broaden the scope of the discussion to include the legal considerations of funding MESBIC’S through sponsoring companies
(B) call attention to the fact that MESBIC’s must receive adequate funding in order to function effectively(=原文generate sufficient income and to sustain the quality of management needed)
(C) show that sponsoring companies were willing to invest only $500,000 of government-sponsored venture capital in the original MESBIC’s
(D) compare SBA and MESBIC limits on minimum funding
(E) refute suggestions that MESBIC’s have been only marginally successful

态度题:作者的总体态度与主题题相似
18. The author’s primary objective in the passage is to
(A) disprove the view that federal efforts to aid minority businesses have been ineffective
(B) explain how federal efforts to aid minority businesses have changed since the 1960’s
(C) establish a direct link between the federal efforts to aid minority businesses made before the 1960’s and those made in the 1980’s
(D) analyze the basis for the belief that job-specific experience is more useful to minority businesses than is general management experience 细节词
(E) argue that the “social responsibility approach” to aiding minority businesses is superior to any other approach细节词
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Passage 11
At the end of the nineteenth century, a rising interest
in Native American customs and an increasing desire to
understand Native American culture prompted ethnolo-
gists to begin recording the life stories of Native Amer-
(5) ican. Ethnologists had a distinct reason for wanting to
hear the stories: they were after linguistic or anthropo-
logical data that would supplement their own field
observations, and they believed that the personal
stories, even of a single individual, could increase their
(10) understanding of the cultures that they had been
observing from without. In addition many ethnologists
at the turn of the century believed that Native Amer-
ican manners and customs were rapidly disappearing,
and that it was important to preserve for posterity as
(15) much information as could be adequately recorded
before the cultures disappeared forever.
There were, however, arguments against this method
as a way of acquiring accurate and complete informa-
tion. Franz Boas, for example, described autobiogra-
(20) phies as being “of limited value, and useful chiefly for
the study of the perversion of truth by memory,” while
Paul Radin contended that investigators rarely spent
enough time with the tribes they were observing, and
inevitably derived results too tinged by the investi-
(25) gator’s own emotional tone to be reliable.
Even more importantly, as these life stories moved
from the traditional oral mode to recorded written
form, much was inevitably lost. Editors often decided
what elements were significant to the field research on a
(30) given tribe. Native Americans recognized that the
essence of their lives could not be communicated in
English and that events that they thought significant
were often deemed unimportant by their interviewers.
Indeed, the very act of telling their stories could force
(35) Native American narrators to distort their cultures, as
taboos had to be broken to speak the names of dead
relatives crucial to their family stories.
Despite all of this, autobiography remains a useful
tool for ethnological research: such personal reminis-
(40) cences and impressions, incomplete as they may be, are
likely to throw more light on the working of the mind
and emotions than any amount of speculation from an
ethnologist or ethnological theorist from another
culture.

61. Which of the following best describes the organization of the passage?
(A) The historical backgrounds of two currently used research methods are chronicled.
(B) The validity of the data collected by using two different research methods is compared.
(C) The usefulness of a research method is questioned and then a new method is proposed.
(D) The use of a research method is described and the limitations of the results obtained are discussed.
(E) A research method is evaluated and the changes necessary for its adaptation to other subject areas are
discussed.

62. Which of the following is most similar to the actions of nineteenth-century ethnologists in their editing of the life stories of Native Americans?
(A) A witness in a jury trial invokes the Fifth Amendment in order to avoid relating personally incriminating evidence.
(B) A stockbroker refuses to divulge the source of her information on the possible future increase in a stock’s value.
(C) A sports announcer describes the action in a team sport with which he is unfamiliar.
(D) A chef purposely excludes the special ingredient from the recipe of his prizewinning dessert.
(E) A politician fails to mention in a campaign speech the similarities in the positions held by her opponent for political office and by herself.

63. According to the passage, collecting life stories can be a useful methodology because
(A) life stories provide deeper insights into a culture than the hypothesizing of academics who are not members of that culture
(B) life stories can be collected easily and they are not subject to invalid interpretations
(C) ethnologists have a limited number of research methods from which to choose
(D) life stories make it easy to distinguish between the important and unimportant features of a culture
(E) the collection of life stories does not require a culturally knowledgeable investigator

64. Information in the passage suggests that which of the following may be a possible way to eliminate bias in the editing of life stories?
(A) Basing all inferences made about the culture on an ethnological theory
(B) Eliminating all of the emotion-laden information reported by the informant
(C) Translating the informant’s words into the researcher’s language
(D) Reducing the number of questions and carefully specifying the content of the questions that the investigator can ask the informant
(E) Reporting all of the information that the informant provides regardless of the investigator’s personal opinion about its intrinsic value

65. The primary purpose of the passage as a whole is to
(A) question an explanation
(B) correct a misconception
(C) critique a methodology
(D) discredit an idea
(E) clarify an ambiguity

66. It can be inferred from the passage that a characteristic of the ethnological research on Native Americans conducted
during the nineteenth century was the use of which of the following?
(A) Investigators familiar with the culture under study
(B) A language other than the informant’s for recording life stories
(C) Life stories as the ethnologist’s primary source of information
(D) Complete transcriptions of informants’ descriptions of tribal beliefs
(E) Stringent guidelines for the preservation of cultural data

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Passage 38
During the nineteenth-century,  occupational information about women that was provided by the
United States census-a population count conducted each decade-became more detailed and precise
in response to social changes.  Through 1840 , simple enumeration by household mirrored a
home-based agricultural economy and hierarchical social order: the head of the household
(presumed male or absent) was specified by name, whereas other household members were only
indicated by the total number of persons counted in various categories, including occupational
categories. Like farms, most enterprises were family-run, so that the census measured economic
activity as an attribute of the entire household, rather than of individuals.
The 1850 census , partly responding to antislavery and women’s rights movements, initiated the
collection of specific information about each individual in a household. Not until 1870  was
occupational information analyzed by gender: the census superintendent reported 1.8 million
women employed outside the home in “gainful and reputable occupations.” In addition, he
arbitrarily attributed to each family one woman “keeping house.” Overlap between the two groups
was not calculated until 1890 , when the rapid entry of women into the paid labor force and social
issues arising from industrialization were causing women’s advocates and women statisticians to
press for more thorough and accurate accounting of women’s occupations and wages.

社会现象:妇女
现象解释型

主题题
236. The primary purpose of the passage is to
(A) explain and critique the methods used by early statisticians
(B) compare and contrast a historical situation with a current-day one
(C) describe and explain a historical change
(D) discuss historical opposition to an established institution
(E) trace the origin of a contemproary cotroversy

Except题型
237. Each of the following aspects of nineteenth-century United States censuses is mentioned in
the passage EXCEPT the
(A) year in which data on occupations began to be analyzed by gender
(B) year in which specific information began to be collected on individuals in addition to the
head of the household
(C) year in which overlap between women employed outside the home and women keeping
hosue was first calculated
(D) way in which the 1890 census measured women’s income levels and eductional
backgrounds
(E) way in which household members were counted in the 1840 census

错题/信息题:仔细读原文
238. It can be inferred from the passage that the 1840 United States census provided a count of
which of the following?
(A) Women who worked exclusively in the home
(B) People engaged in nonfarming occupations(Lines 5-15 indicate
that in the 1840 United States census, individuals were classified by occupational categories. It
can be inferred from this information that the 1840 census provided a count of persons in
occupations other than farming.)
(C) People engaged in social movements
(D) Women engaged in family-run enterprises
(E) Men engaged in agriculture(Lines 19-20 indicate that the 1870 United State census was the first
in which occupational information was analyzed by gender.)

错题/in order to 题
239. The author uses the adjective “simple” in line 5 most probably to emphasize that the
(A) collection of census inofrmation became progressively more difficult throughout the
nineteenth-century
(B) technology for tabulating census information was rudimentary during the first half of the
nineteenth century
(C) home-based agricultural economy of the early nineteenth century was easier to analyze
than the later industrial economy
(D) economic role of women was better defined in the early nineteenth century than in the late
nienteent century
(E) information collected by early-nineteen-century censuses was limited in its amount of detail

信息题/强对比取非题:注意这种题,原文说现在应该more accurate,证明以前没有accurate
240. The passage suggests which of the following about the “women’s advocates and women
statisticians” mentioned in lines 27-28?
(A) They wanted to call attention to the lack of pay for women who worked in the home.
(B) They believed that previous census information was inadequate and did not reflect certain
economic changes in the United States.(Their pressing for fuller
information implies that the women’s advocates and women statisticians believe earlier United
States censuses had not provided adequate information about women’s occupations and wages.)
(C) They had begun to press for changes in census-taking methods as part of their
participation in the antislavery movement.(1850)
(D) They thought that census statistics about women would be more accurate if more women
were employed as census officials.
(E) They had conducted independent studies that disputed the official statistics provided by
previosu United States censuses.(无)

31 D 07:29
32 C 01:14
33 E 01:29
34 D 00:53
35 C 01:36
36 D 00:36

137 D 04:29
138 A 01:02
139 E 00:58
140 C 02:14
141 D 01:28
142 C 02:36
143 C 01:35

206 D 04:23
207 A 00:56
208 B 01:51
209 B 01:19
210 E 01:26
211 E 01:25
212 D 00:45

236 C 02:56
237 D 01:01
238 E 01:51
239 C 01:12
240 C 01:46
错误率36%
总时间没有超时

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经济类
结论解释型

EXCEPT
206. According to the passage, all of the following were benefits of privatizing state-owned industries in the United
Kingdom EXCEPT:
(A) Privatized industries paid taxes to the government.
(B) The government gained revenue from selling state-owned industries.
(C) The government repaid some of its national debt.
(D) Profits from industries that were still state-owned increased.
(E) Total borrowings and losses of state-owned industries decreased.

信息题
207. According to the passage, which of the following resulted in increased productivity in companies that have been
privatized?
(A) A large number of employees chose to purchase shares in their companies.
(B) Free shares were widely distributed to individual shareholders.
(C) The government ceased to regulate major industries.
(D) Unions conducted wage negotiations for employees.
(E) Employee-owners agreed to have their wages lowered.

错题/信息题:原文定位!注意考例子时,要注意例子前面的一句话——代表例子的作用
208. It can be inferred from the passage that the author considers labor disruptions to be
(A) an inevitable problem in a weak national economy
(B) a positive sign of employee concern about a company
(C) a predictor of employee reactions to a company’s offer to sell shares to them
(D) a phenomenon found more often in state-owned industries than in private companies(没提及)
(E) a deterrence to high performance levels in an industry(In lines 15-17, the author states that privatization has “raised the level of performance” in industry. As an example, the author mentions in lines 19-21 that at one company, “labor disruptions common in the 1970’s and early 1980’s have now virtually disappeared.” Thus,the author is implying that an absence of labor disruptions raises the level of performance, and the converse-that labor disruptions adversely affect performance level)

信息题
209. The passage supports which of the following statements about employees buying shares in their own
companies?
(A) At three different companies, approximately nine out of ten of the workers were eligible to buy shares in their
companies.
(B) Approximately 90% of the ellgible workers at three different companies chose o buy shares in their
companies.
(C) The opportunity to buy shares was discouraged by at least some labor unions.
(D) Companies that demonstrated the highest productivity were the first to allow their employees the opportunity
to buy shares.
(E) Eligibility to buy shares was contingent on employees’ agreeing to increased work loads.

错题/强对比取非题
210. Which of the following statements is most consistent with the principle described in lines 30-32?
(A) A democratic government that decides it is inappropriate to own a particular industry has in no way abdicated
its responsibilities as guardian of the public interest.
(B) The ideal way for a government to protect employee interests is to force companies to maintain their share of a
competitive market without government subsidies.
(C) The failure to harness the power of self-interest is an important reason that state-owned industries perform
poorly.( Lines 30-32 assert that people who have a persona stake in an endeavor will
“work to make it prosper.” In other words, self-interest is an incentive to make people perform
better. Choice C makes the same assumption and uses that the converse is also true: that when
workers lack a personal stake in the fate of their industry, their performance will be poor.)
(D) Governments that want to implement privatization programs must try to eliminate all resistance to the
free-market system.
(E) The individual shareholder will reap only a minute share of the gains from whatever sacrifices he or she makes
to achieve these gains.


强对比取非题:
211. Which of the following can be inferred from the passage about the privatization process in the United
Kingdom?
(A) It depends to a potentially dangerous degree on individual ownership of shares.
(B) It conforms in its most general outlines to Thomas Palne’s prescription for business ownership.
(C) It was originally conceived to include some giving away of free shares.
(D) It has been successful, even though privatization has failed in other countries.
(E) It is taking place more slowly than some economists suggest is necessary.

错题:in order to题
212. The quotation in line 39 is most probably used to
(A) counter a position that the author of the passage believes is incorrect
(B) state a solution to a problem described in the previous sentence
(C) show how opponents of the viewpoint of the author of the passage have supported their arguments
(D) point out a paradox contained in a controversial viewpoint
(E) present a historical maxim to challenge the principle introduced in the third paragraph

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Passage 33
While there is no blueprint for transforming a largely
government-controlled economy into a free one, the
experience of the United Kingdom since 1979 clearly
shows one approach that works: privatization, in which
(5) state-owned industries are sold to private companies . By
1979, the total borrowings and losses of state-owned
industries were running at about t3 billion a year. By
selling many of these industries, the government has
decreased these borrowings and losses, gained over t34
(10) billion from the sales, and now receives tax revenues from
the newly privatized companies. Along with a dramatically
improved overall economy, the government has been able
to repay 12.5 percent of the net national debt over a
two-year period.
(15) In fact, privatization has not only rescued individual
industries and a whole economy headed for disaster, but
has also  raised the level of performance in every area. At
British Airways and British Gas, for example , productivity
per employee has risen by 20 percent. At associated
(20) British Ports, labor disruptions common in the 1970’s and
early 1980’s have now virtually disappeared. At British
Telecom, there is no longer a waiting list—as there always
was before privatization—to have a telephone installed.
Part of this improved productivity  has come about
(25) because the employees of privatized industries were given
the opportunity to buy shares in their own companies. They
responded enthusiastically to the offer of shares; at British
Aerospace, 89 percent of the eligible work force bought
shares; at Associated British Ports, 90 percent; and at
(30) British Telecom, 92 percent. When people have a personal
stake in something, they think about it, care about it, work
to make it prosper. At the National Freight Consortium,
the new employee-owners grew so concerned about their
company’s profits that during wage negotiations they
(35) actually pressed their union to lower its wage demands.
Some economists have suggested  that giving away free
shares would provide a needed acceleration of the privati-
zation process. Yet  they miss  Thomas Paine’s point that
“what we obtain too cheap we esteem too lightly.” In
(40) order for the far-ranging benefits of individual ownership
to be achieved by owners, companies, and countries,
employees and other individuals must make their own
decisions to buy, and they must commit some of their own
resources to the choice.

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relic ['relik] n. 废墟;纪念物;遗迹,遗物
halo ['heiləu] n. 光环;荣光vt. 使有晕轮;围以光环vi. 成晕轮
renegade ['reniɡeid] n. 变节者;脱党者;叛徒vi. 背叛;脱离adj. 背弃的;脱离的;叛徒的

自然现象——天文
结论解释性


主题题
137. The passage is primarily concerned with discussing
(A) the importance of determining the age of globular clusters in assessing when the Milky Way galaxy was formed
(B) recent changes in the procedure used by astronomers to study the formation of the Milky Way galaxy
(C) current disputes among astronomers regarding the size and form of the Milky Way galaxy
(D) the effect of new discoveries regarding globular clusters on theories about the formation of the Milky Way galaxy
(E) the origin, nature, and significance of groups of stars known as globular clusters

信息题
138. According to the passage, one way in which Larson’s theory and the conventional theory of the formation of the Milky Way galaxy differs is in their assessment of the
(A) amount of time it took to form the galaxy
(B) size of the galaxy immediately after its formation
(C) particular gas involved in the formation of the galaxy
(D) importnce of the age of globular clusters in determining how the galaxy was formed
(E) shape of the halo that formed around the galaxy

逻辑题:加强题
139. Which of the following, if true, would be most useful in supporting the conclusions drawn from recent observations about globular clusters?
(A) There is firm evidence that the absolute age of the Milky Way galaxy is between 10 and 17 billion years.
(B) A survey reveals that a galaxy close to the Milky Way galaxy contains globular clusters of ages close to the age of Palomar 12.
(C) A mathematical model proves that small gas clouds move in regular patterns.
(D) Space probes indicate that the stars in the Milky Way galaxy are composed of several different types of gas.
(E) A study of over 1,500 individual stars in the halo of the Milky Way galaxy indicates wide discrepancies in there ages.

信息题:
140. If Bolte and his colleague are both correct, it can be inferred that the globular cluster Paloma 12 is approximately
(A) 5 billion years younger than any other cluster in the galaxy
(B) the same age as most other clusters in the galaxy
(C) 7 billion years younger than another cluster in the galaxy
(D) 12 billion years younger than most other clusters in the galaxy
(E) 2 billion years younger than most other clusters in the galaxy

In order to题
141. The passage suggests that Toomre’s work complements Larson’s theory because it
(A) specifies more precisely the time frame proposed by Larson
(B) subtly alters Larson’s theory to make it more plausible
(C) supplements Larson’s hypothesis with direct astronomical observations
(D) provides theoretical support for the ideas suggested by Larson
(E) expands Larson’s theory to make it more widely applicable

?错题/信息题:注意读原文细微之处!
142. Which of the following most accurately state a finding of Bolte’s research, as described in the passage?
(A) The globular clusters in the Milky Way galaxy are 2 billion years older than predicted by the conventional theory.
(B) The ages of at least some globular clusters in the Milky Way galaxy differ by at leat 4 billion years.(one cluster “is 2 billion years older than most other clusters
in the galaxy, while another is 2 billion years younger” (lines 22-24). Thus, he found that at least
these two clusters differ in age by at least 4 billion years.)
(C) One of the globular clusters in the Milky Way galaxy is 5 billion years younger than most others.(Choice C is incorrect, because the
passage states that it was a colleague of Bolte’s who claimed that a cluster is 5 billion years
younger than most)
(D) The globular clusters in the Milky Way galaxy are significantly older than the individual stars in the halo.
(E) Most globular clusters in the Milky Way galaxy are between 11 and 15 billion years old.

?错题/In order to 题
143. The author of the passage puts the word “renegade” (line 29) in quotation marks most probably in order to
(A) emphasize the lack of support for the theories in question
(B) contrast the controversial quality of the theories in question with the respectable character of their formulators
(C) generate skepticism about the theories in question
(D) ridicule the scientists who once doubted the theories in question
(E) indicate that the theories in question are no longer as unconventional as they once seemed

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Passage 23
New observations about the age of some globular clusters in our Milky Way galaxy have cast doubt on a long-held
theory about how the galaxy was formed.  The Milky Way contains about 125 globular clusters (compact groups of
anywhere from several tens of thousands to perhaps a million stars) distributed in a roughly spherical halo around the
galactic nucleus. The stars in these clusters are believed to have been born during the formation of the galaxy, and so
may be considered relics of the original galactic nebula, holding vital clues to the way of the formation took place.
The conventional theory of the formation of the galaxy contends that  roughly 12 to 13 billion years ago the Milky
Way formed over a relatively short time (about 200 million years) when a spherical cloud of gas collapsed under the
pressure of its own gravity into a disc surrounded by a halo. Such a rapid formation of the galaxy would mean that
all stars in the halo should be very nearly the same age.
However , the astronomer Michael Bolte has found  considerable variation in the ages of globular clusters. One of the
clusters studied by Bolte is 2 billions years older than most other clusters in the galaxy, while another is 2 billion
years younger. A colleague of Bolte contends that  the cluster called Palomar 12 is 5 billion years younger than most
other globular clusters.
To explain  the age differences among the globular clusters, astronomers are taking a second look at “renegade”
theories. One such newly fashionable theory , first put forward by Richard Larson in the early 1970’s, argues that  the
halo of the Milky Way formed over a period of a billion or more years as hundreds of small gas clouds drifted about,
collided, lost orbital energy, and finally collapsed into a centrally condensed elliptical system. Larson’s conception of
a “lumpy and turbulent” protogalaxy is complemented by computer modeling done in the 1970’s by mathematician
Alan Toomre, which suggests that closely interacting spiral galaxies could lose enough orbital energy to merge into a
single galaxy.

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Passage 6
In the two decades between 1910 and 1930, over
ten percent to the Black population of the United States
left the South, where the preponderance of the Black
population had been located, and migrated to northern
(5) states, with the largest number moving, it is claimed,
between 1916 and 1918. It has been frequently assumed,
but not proved, that the majority of the migrants in
what has come to be called the Great Migration came
from rural areas and were motivated by two concurrent
(10) factors: the collapse of the cotton industry following
the boll weevil infestation, which began in 1898, and
increased demand in the North for labor following
the cessation of European immigration caused by the
outbreak of the First World War in 1914. This assump-
(15) tion has led to the conclusion that the migrants’ subse-
quent lack of economic mobility in the North is tied to
rural background, a background that implies unfamil-
iarity with urban living and a lack of industrial skills.
But the question of who actually left the South has
(20) never been rigorously investigated. Although numerous
investigations document an exodus from rural southern
areas to southern cities prior to the Great Migration.
no one has considered whether the same migrants then
moved on to northern cities. In 1910 over 600,000
(25) Black workers, or ten percent of the Black work force,
reported themselves to be engaged in “manufacturing
and mechanical pursuits,” the federal census category
roughly encompassing the entire industrial sector. The
Great Migration could easily have been made up entirely
(30) of this group and their families. It is perhaps surprising
to argue that an employed population could be enticed
to move, but an explanation lies in the labor conditions
then prevalent in the South.
About thirty-five percent of the urban Black popu-
(35) lation in the South was engaged in skilled trades. Some
were from the old artisan class of slavery-blacksmiths.
masons, carpenters-which had had a monopoly of
certain trades, but they were gradually being pushed
out by competition, mechanization, and obsolescence,
(40) The remaining sixty-five percent, more recently urban-
ized, worked in newly developed industries---tobacco.
lumber, coal and iron manufacture, and railroads.
Wages in the South, however, were low, and Black
workers were aware, through labor recruiters and the
(45)Black press, that they could earn more even as unskilled
workers in the North than they could as artisans in the
South. After the boll weevil infestation, urban Black
workers faced competition from the continuing influx
of both Black and White rural workers, who were driven
(50) to undercut the wages formerly paid for industrial jobs.
Thus, a move north would be seen as advantageous
to a group that was already urbanized and steadily
employed, and the easy conclusion tying their subse-
quent economic problems in the North to their rural
background comes into question.

31. The author indicates explicitly that which of the following records has been a source of information in her
investigation?
(A) United States Immigration Service reports from 1914 to 1930
(B) Payrolls of southern manufacturing firms between 1910 and 1930
(C) The volume of cotton exports between 1898 and 1910
(D) The federal census of 1910
(E) Advertisements of labor recruiters appearing in southern newspapers after 1910

32. In the passage, the author anticipates which of the following as a possible objection to her argument?
(A) It is uncertain how many people actually migrated during the Great Migration.
(B) The eventual economic status of the Great Migration migrants has not been adequately traced.
(C) It is not likely that people with steady jobs would have reason to move to another area of the country.
(D) It is not true that the term “manufacturing and mechanical pursuits” actually encompasses the entire industrial sector.
(E) Of the Black workers living in southern cities, only those in a small number of trades were threatened by obsolescence.

错题
33. According to the passage, which of the following is true of wages in southern cities in 1910?
(A) They were being pushed lower as a result of increased competition.
(B) They had begun t to rise so that southern industry could attract rural workers.
(C) They had increased for skilled workers but decreased for unskilled workers.
(D) They had increased in large southern cities but decreased in small southern cities.
(E) They had increased in newly developed industries but decreased in the older trades.

34. The author cites each of the following as possible influences in a Black worker’s decision to migrate north in the Great Migration EXCEPT
(A) wage levels in northern cities
(B) labor recruiters
(C) competition from rural workers
(D) voting rights in northern states
(E) the Black press

35. It can be inferred from the passage that the “easy conclusion” mentioned in line 53 is based on which of the following assumptions?
(A) People who migrate from rural areas to large cities usually do so for economic reasons.
(B) Most people who leave rural areas to take jobs in cities return to rural areas as soon as it is financially possible for them to do so.
(C) People with rural backgrounds are less likely to succeed economically in cities than are those with urban backgrounds.
(D) Most people who were once skilled workers are not willing to work as unskilled workers.
(E) People who migrate from their birthplaces to other regions of country seldom undertake a second migration.

36. The primary purpose of the passage is to
(A) support an alternative to an accepted methodology
(B) present evidence that resolves a contradiction
(C) introduce a recently discovered source of information
(D) challenge a widely accepted explanation
(E) argue that a discarded theory deserves new attention

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