GRE 国 内 题 90 – 94 COPYLEFT TONGLEI
92 年 10 月 SECTION 2
Time-30 minutes
38 Questions
1. A good doctor knows that knowledge about
medicine will continue to ----- and that, therefore,
formal professional training can never be an-------
guide to good practice.
(A) vary.. adaptable
(B) change.. absolute
(C) ossify.. inflexible
(D) pertain.. invaluable
(E) intensify.. obsolescent
2. Foucault's rejection of the concept of continuity in
Western thought, though radical, was not unique; he
had ------- in the United States who, without knowledge
of his work, developed parallel ideas.
(A) critics
(B) counterparts
(C) disciples
(D) readers
(E) publishers
3. In retrospect, Gordon's students appreciated her
----- assignments, realizing that such assignments
were specifically designed to ----- original thought
rather than to review the content of her course.
(A) didactic.. ingrain
(B) intimidating.. thwart
(C) difficult.. discourage
(D) conventional.. explicate
(E) enigmatic.. stimulate
4. In sharp contrast to the intense ------- of the young
republic, with its utopian faith in democracy and
hopes for eternal human progress, recent developments
suggest a mood of almost unrelieved ------
(A) idealism.. cynicism
(B) individualism.. escapism
(C) sectarianism.. recklessness
(D) assertiveness.. ambition
(E) righteousness.. egalitarianism
5. Old age, even in cultures where it is -------, is often
viewed with -------
(A) venerated.. ambivalence
(B) rare.. surprise
(C) ignored.. condescension
(D) feared.. dismay
(E) honored.. respect
6. Unlike the easily studied neutral and ionized ------
that compose the primary disk of the Milky Way
itself, the components of the ------- surrounding our
galaxy have proved more resistant to study.
(A) figments.. envelope
(B) essences.. fluctuations
(C) elements.. problems
(D) calculations.. perimeter
(E) materials.. region
7. Although normally -------, Alison felt so strongly
about the issue that she put aside her reserve and
spoke up at the committee meeting.
(A) diffident
(B) contentious
(C) facetious
(D) presumptuous
(E) intrepid
8. SLIPPERY: ELUDE::
(A) dangerous : distract
(B) hidden: alarm
(C) temporary : erase
(D) alluring: entice
(E) overwrought : exclaim
9. RAINCOAT: RAIN::
(A) wages : inflation
(B) prevention : cure
(C) prediction: weather
(D) insurance : loss
(E) work: unemployment
10. DECIPHER: HIEROGLYPH::
(A) transcribe : recording
(B) separate :component
(C) transmute : metal
(D) break: code
(E) edit: text
10. FROND: FERN::
(A) pod: weed
(B) needle: pine
(C) thorn: rose
(D) bulb: lily
(E) root :potato
11. PILLORY : RIDICULE::
(A) badge: challenge
(B) guillotine: execute
(C) rope: chastise
(D) knife: frighten
(E) cell: blame
12. DITTY: ORATORIO::
(A) satire: parody
(B) libretto : opera
(C) anecdote: novel
(D) fresco: panorama
(E) sonnet : madrigal
13. OLFACTION: ODOR::
(A) classification : object
(B) articulation: sound
(C) predilection: observation
(D) vision: detection
(E) gustation : flavor
14. HUBRIS: PRIDE::
(A) flattery: praise
(B) revenge: jealousy
(C) whim: humor
(D) awe: prestige
(E) dread: courage
15. FRIEZE: BUILDING::
(A) illumination: manuscript
(B) roof: foundation
(C) shading: drawing
(D) column: pillar
(E) melody: rhythm
Hank Morgan, the hero of Mark Twain's
A Connecticut Yankee in King Arthur's
Court, is a nineteenth-century master
mechanic who mysteriously awakening in
(5) sixth-century Britain, launches what he
hopes will be a peaceful revolution to
transform Arthurian Britain into an
industrialized modern democracy. The
novel, written as a spoof of Thomas
(10) Malory's Morte d' Arthur, a popular
collection of fifteenth-century legends
about sixth-century Britain. has been
made into three upbeat movies and two
musical comedies. None of these
(15) translations to screen and stage,
however, dramatize the anarchy at the
conclusion of A Connecticut Yankee,
which ends with the violent overthrow
of Morgan's three-year-old progressive
(20) order and his return to the nineteenth
century, where he apparently commits
suicide after being labeled a lunatic
for his incoherent babblings about
drawbridges and battlements. The
(25) American public, although enjoying
Twain's humor, evidently rejected his
cynicism about technological
advancement and change through
peaceful revolution as antithetical
(30) to the United States doctrine of
progress.
17.
According to the passage, which of the following is a true statement about the reception of A Connecticut Yankee in King Arthur’s Court by the American public?
(A) The public had too strong a belief in the doctrine of progress to accept the cynicism demonstrated at the conclusion of Twain’s novel.
(B) Twain’s novel received little public recognition until the work was adapted for motion pictures and plays.
(C) Although the public enjoyed Twain’s humor, his use of both sixth-century and nineteenth-century characters confused many people.
(D) The public has continued to enjoy Twain’s story, but the last part of the novel seems too violent to American minds.(A)
(E) Because of the cynicism at the end of the book, the public rejected Twain’s work in favor of the work of Thomas Malory.
18.
The author uses the examples of “three upbeat movies and two musical comedies” (lines 9-10) primarily in order to demonstrate that
(A) well-written novels like A Connecticut Yankee in King Arthur’s Court, regardless of their tone or theme, can be translated to the stage and screen
(B) the American public has traditionally been more interested in watching plays and movies than in reading novels like A Connecticut Yankee in King Arthur’s Court
(C) Twain’s overall message in A Connecticut Yankee in King Arthur’s Court is one that had a profound impact on the American public
(D) Twain’s A Connecticut Yankee in King Arthur’s Court has been a more popular version of the Arthurian legends than has Malory’s Morte d’ Arthur(E)
(E) A Connecticut Yankee in King Arthur’s Court has been accepted as an enjoyable and humorous tale in versions that have omitted the anarchy at the novel’s conclusion
19.
The author of the passage characterizes Thomas Malory’s Morte d’ Arthur as which of the following?
(A) The best-known and most authoritative collection of Arthurian tales written in the English language
(B) A collection of legends that have been used as the basis for three movies and two musical comedies
(C) A historical account of King Arthur, the sixth-century king of Britain
(D) A collection of legends about sixth-century Britain that have existed since at least the fifteenth century(D)
(E) The novel about the life of King Arthur that inspired Twain’s cynicism about nineteenth-century notions of progress
20.
It can be inferred from the passage that Mark Twain would most probably have believed in which of the following statements about societal change?
(A) Revolutions, in order to be successful in changing society, have to be carried out without violence.
(B) Technological advancements are limited in their ability to change society and will likely bring liabilities along with any potential benefits.
(C) The belief in the unmitigated benefits of societal change is antithetical to the American doctrine of progress.
(D) The political system of sixth-century Britain was more conducive to societal change than was the political system of nineteenth-century America.(B)
(E) Technological advances and peaceful revolutions, although sometimes accompanied by unintended violence and resistance to societal change, eventually lead to a more progressive order.
The intensive work of materials
scientists and solidstate physicists
has given rise to a class of solids
known as amorphous metallic alloys.
(5) or glassy metals. There is a growing
interest among theoretical and applied
researchers alike in the structural
properties of these materials.
When a molten metal or metallic alloy
(10) is cooled to a solid, a crystalline
structure is formed that depends on
the particular alloy composition. In
contrast. molten nonmetallic glass-
forming materials, when cooled do not
(15) assume a crystalline structure, but
instead retain a structure somewhat
like that of the liquid-an amorphous
structure. At room temperature, the
natural long-term tendency for both
(20) types of materials is to assume the
crystalline structure. The difference
between the two is in the kinetics or
rate of formation of the crystalline
structure. which is controlled by
(25) factors such as the nature of the
chemical bonding and the ease with
which atoms move relative to each
other. Thus, in metals, the kinetics
favors rapid formation of a crystal-
(30) line structure, whereas in nonmetallic
glasses the rate of formation is so
slow that almost any cooling rate is
sufficient to result in an amorphous
structure. For glassy metals to be
(35) formed, the molten metal must be
cooled extremely rapidly so that
crystallization is suppressed.
The structure of glassy metals
is thought to be similar to that
(40) of liquid metals. One of the first
attempts to model the structure of
a liquid was that by the late J. D.
Bernal of the University of London,
who packed hard spheres into a rubber
(45) vessel in such a way as to obtain the
maximum possible density. The resulting
dense, random-packed structure was the
basis for many attempts to model the
structure of glassy metals.
(50) Calculations of the density of alloys
based on Bernal-type models of the
alloys metal component agreed fairly
well with the experimentally determined
values from measurements on alloys
(55) consisting of a noble metal together
with a metalloid, such as alloys of
palladium and silicon, or alloys con-
sisting of iron, phosphorus, and carbon,
although small discrepancies remained.
(60) One difference between real alloys and
the hard spheres used in Bernal models
is that the components of an alloy have
different sizes, so that mode, based
on two sizes of spheres are more
(65) appropriate for a binary alloy, for
example. The smaller metalloid atoms
of the alloy might fit into holes in
the dense, random-packed structure of
the larger metal atoms.
(70) One of the most promising properties
of glassy metals is their high strength
combined with high malleability. In
usual crystalline materials, one finds
an inverse relation between the two
(75) properties, whereas for many practical
applications simultaneous presence of
both properties is desirable. One
residual obstacle to practical appli-
cations that is likely to be overcome
(80) is the fact that glassy metals will
crystallize at relatively low temper-
atures when heated slightly.
21.
The author is primarily concerned with discussing
(A) crystalline solids and their behavior at different temperatures
(B) molten materials and the kinetics of the formation of their crystalline structure
(C) glassy metals and their structural characteristics
(D) metallic alloys and problems in determining their density(C)
(E) amorphous materials and their practical utilization
22.
The author implies that the rate at which the molten materials discussed in the passage are cooled is a determinant of the
(A) chemical composition of the resulting solids
(B) strength of the chemical bonds that are formed
(C) kinetics of the materials’ crystalline structure
(D) structure the materials assume(D)
(E) stability of the materials’ crystalline structure
23.
The author’s speculation about the appropriateness of models using spheres of two sizes for binary alloys would be strongly supported if models using spheres of two sizes yielded
(A) values for density identical to values yielded by one-sphere models using the smaller spheres only
(B) values for density agreeing nearly perfectly with experimentally determined values
(C) values for density agreeing nearly perfectly with values yielded by models using spheres of three sizes
(D) significantly different values for density depending on the size ratio between the two kinds of spheres used(B)
(E) the same values for density as the values for appropriately chosen models that use only medium-sized spheres
24.
The author’s attitude toward the prospects for the economic utilization of glassy metals is one of
(A) disinterest
(B) impatience
(C) optimism
(D) apprehension(C)
(E) skepticism
25.
According to the passage, which of the following determines the crystalline structure of a metallic alloy?
(A) At what rate the molten alloy is cooled
(B) How rapid the rate of formation of the crystalline phase is
(C) How the different-sized atoms fit into a dense, random-packed structure
(D) What the alloy consists of and in what ratios(D)
(E) At what temperature the molten alloy becomes solid
26.
Which of the following best describes the relationship between the structure of liquid metals and the structure of glassy metals, as it is presented in the passage?
(A) The latter is an illustrative example of the former.
(B) The latter is a large-scale version of the former.
(C) The former is a structural elaboration of the latter.
(D) The former provides an instructive contrast to the latter.(E)
(E) The former is a fair approximation of the latter.
27.
It can be inferred from the passage that, theoretically, molten nonmetallic glasses assume a crystalline structure rather than an amorphous structure only if they are cooled
(A) very evenly, regardless of the rate
(B) rapidly, followed by gentle heating
(C) extremely slowly
(D) to room temperature(C)
(E) to extremely low temperatures
28. EXACTITUDE:
(A) terseness
(B) dishonesty
(C) imprecision
(D) tendency to concede
(E) lack of relevance
29. STYMIE:
(A) capture
(B) organize
(C) reveal
(D) gain
(E) promote
30. DERIVATIVE:
(A) polished
(B) magnetic
(C) creditable
(D) recent
(E) innovative
31. DISGORGE:
(A) imprint
(B) suture
(C) convulse
(D) ingest
(E) enlarge
32. OBDURATE:
(A) candid
(B) amenable
(C) talkative
(D) optimistic
(E) carefree
33. TOUT:
(A) denounce
(B) modify
(C) restrain
(D) adhere to
(E) retreat from
34. LUCUBRATION:
(A) cursory consideration
(B) lengthy explanation
(C) lucidity
(D) rejection
(E) inquisition
35. TRUCULENCE:
(A) general competence
(B) sporadic quirkiness
(C) brittleness
(D) kindness
(E) fragility
36. ARREST:
(A) inoculate
(B) vitalize
(C) reproduce
(D) engage
(E) retrieve
37. JUDICIOUSNESS:
(A) deceptiveness
(B) aloofness
(C) unorthodoxy
(D) uncertainty
(E) indiscretion
38. BELLICOSE:
(A) abashed
(B) pacific
(C) exemplary
(D) ingenuous
(E) platonic
SECTION 5
Time-30 minutes
38 Questions
1. Contrary to the antiquated idea that the eighteenth
century was a ------- island of elegant assurance,
evidence reveals that life for most people was filled
with uncertainty and insecurity.
(A) clannish
(B) declining
(C) tranquil
(D) recognized
(E) sprawling
2. The insecticide proved -------; by killing the weak
adults of a species, it assured that the strong ones would mate among themselves and produce offspring still more ------ to its effects.
(A) ineffective.. hostile
(B) cruel.. vulnerable
(C) feasible.. susceptible
(D) necessary.. immune
(E) counterproductive.. resistant
3. Many industries are so ------ by the impact of
government sanctions, equipment failure, and foreign competition that they are beginning to rely on industrial psychologists to------- what remains of employee morale.
(A) estranged.. guard
(B) beleaguered.. salvage
(C) overruled.. undermine
(D) encouraged.. determine
(E) restrained.. confirm
4. Fashion is partly a search for a new language to
discredit the old, a way in which each generation can
------ its immediate predecessor and distinguish itself.
(A) honor
(B) repudiate
(C) condone
(D) placate
(E) emulate
5. Although ----- is usually thought to spring from
regret for having done something wrong, it may be
that its origin is the realization that one's own nature is irremediably ------.
(A) contrition.. resilient
(B) certitude.. confident
(C) skepticism.. innocent
(D) remorse.. flawed
(E) resignation. Frivolous
6. Numerous historical examples illustrate both the
overriding influence that scientists' ------ have on
their interpretation of data and the consequent-------
of their intellectual objectivity.
(A) prejudices.. impairment
(B) instruments.. abandonment
(C) theories.. independence
(D) conclusions.. coloration
(E) suppositions.. reinforcement
7. From the outset, the concept of freedom of the seas
from the proprietary claims of nations was challenged
by a contrary notion--that of the ------ of the oceans for reasons of national security and profit.
(A) promotion
(B) exploration
(C) surveying
(D) conservation
(E) enclosure
8. RIPEN: MATURITY::
(A) harden : solidity
(B) soften : rigidity
(C) wither: humidity
(D) specify : entirety
(E) identify : category
9. CROWD: PEOPLE::
(A) library: books
(B) field: hay
(C) school: fish
(D) theater: plays
(E) office: desks
10. ENUNCIATE : MUMBLING ::
(A) draw: depicting
(B) run: falling
(C) organize: unsettling
(D) etch : deteriorating
(E) clarify: confusing
11.LAW: JUDGMENT::
(A) jury: verdict
(B) data: collection
(C) information: decision
(D) news: message
(E) sample: population
12. MACABRE: SHUDDER::
(A) hilarious : laugh
(B) vain: preen
(C) nostalgic: cry
(D) tedious: smirk
(E) timid: dare
13. IMPRESARIO: ENTERTAINMENT::
(A) pugilist: peace
(B) magnate: diplomacy
(C) usher: concert
(D) athlete : contest
(E) broker: trade
14. MOTIVE: DEED::
(A) goal: need
(B) means: method
(C) regret : retribution
(D) doubt: question
(E) hope: fulfillment"
15. DIARY: BIOGRAPHER::
(A) cards: dealer
(B) scripture: theologian
(C) notebook: stenographer
(D) caption : cartoonist
(E) primer: teacher
16. CORONA: SUN::
(A) wheel: axle
(B) spark: flame
(C) kernel: corn
(D) comet: tail
(E) atmosphere : planet
In a perfectly free and open market
economy,the type of employer-- govern-
ment or private-- should have little or no
impact on the earnings differentials
(5) between women and men. However, if
there is discrimination against one
sex, it is unlikely that the degree
of discrimination by government and
private employers will be the same.
(10) Differences in the degree of discrimi-
nation would result in earnings
differentials associated with the
type of employer. Given the nature
of government and private employers,
(15) it seems most likely that discrimi-
nation by private employers would be
greater. Thus, one would expect that,
if women are being discriminated
against, government employment would
(20) have a positive effect on women's
earnings as compared with their
earnings from private employment.
The results of a study by Fuchs
support this assumption. Fuchs's
(25) results suggest that the earnings
of women in an industry composed
entirely of government employers
would be 14.6 percent greater than
the earnings of women in an industry
(30) composed exclusively of private
employees, other things being equal.
In addition, both Fuchs and Sanborn
have suggested that the effect of
discrimination by consumers on the
(35) earnings of self-employed women may
be greater than the effect of either
government or private employer
discrimination on the earnings of
women employees. To test this
(40) hypothesis, Brown selected a large
sample of White male and female
workers from the 1970 Census and
divided them into three categories:
private employees, government
(45) employees, and self-employed.
(Black workers were excluded from
the sample to avoid picking up
earnings differentials that were
the result of racial disparities.)
(50) Brown's research design controlled
for education, labor-force partici-
pation, mobility, motivation, and
age in order to eliminate these
factors as explanations of the
(55) study's results. Brown's results
suggest that men and women are not
treated the same by employers and
consumers. For men, self-employment
is the highest earnings category,
(60) with private employment next, and
government lowest. For women,this
order is reversed.
One can infer from Brown's results
that consumers discriminate against
(65) self-employed women. In addition,
self-employed women may have more
difficulty than men in getting good
employees and may encounter discrimi-
nation from suppliers and from
(70) financial institutions.
Brown's results are clearly consistent
with Fuch's argument that discrimination
by consumers has a greater impact on
the earnings of women than does discrimi-
(75) nation by either government or private
employers. Also, the fact that women
do better working for government than
for private employers implies that
private employers are discriminating
(80) against women. The results do not prove
that government does not discriminate
against women. They do, however,
demonstrate that if government is
discriminating against women, its
(85) discrimination is not having as much
effect on women's earnings as is
discrimination in the private sector.
17.
The passage mentions all of the following as difficulties that self-employed women may encounter EXCEPT:
(A) discrimination from suppliers
(B) discrimination from consumers
(C) discrimination from financial institutions
(D) problems in obtaining good employees(E)
(E) problems in obtaining government assistance
18.
The author would be most likely to agree with which of the following conclusions about discrimination against women by private employers and by government employers?
(A) Both private employers and government employers discriminate, with equal effects on women’s earnings.
(B) Both private employers and government employers discriminate, but the discrimination by private employers has a greater effect on women’s earnings.
(C) Both private employers and government employers discriminate, but the discrimination by government employers has a greater effect on women’s earnings.
(D) Private employers discriminate; it is possible that government employers discriminate.(D)
(E) Private employers discriminate; government employers do not discriminate.
19.
A study of the practices of financial institutions that revealed no discrimination against self-employed women would tend to contradict which of the following?
(A) Some tentative results of Fuchs’s study
(B) Some explicit results of Brown’s study
(C) A suggestion made by the author
(D) Fuchs’s hypothesis(C)
(E) Sanborn’s hypothesis
20.
According to Brown’s study, women’s earnings categories occur in which or the following orders, from highest earnings to lowest earnings?
(A) Government employment, self-employment, private employment
(B) Government employment, private employment, self-employment
(C) Private employment, self-employment, government employment
(D) Private employment, government employment, self-employment(B)
(E) Self-employment, private employment, government employment
21.
The passage explicitly answers which of the following questions?
(A) Why were Black workers excluded from the sample used in Brown’s study?
(B) Why do private employers illuminate more against women than do government employers?
(C) Why do self-employed women have more difficulty than men in hiring high-quality employees?
(D) Why do suppliers discriminate against self-employed women?(A)
(E) Are Black women and Black men treated similarly by employers and consumers?
22.
It can be inferred from the passage that the statements in the last paragraph are most probably which of the following?
(A) Brown’s elaboration of his research results
(B) Brown’s tentative inference from his data
(C) Brown’s conclusions, based on common-sense reasoning
(D) The author’s conclusions, based on Fuchs’s and Brown’s results(D)
(E) The author’s criticisms of Fuchs’s argument, based on Brown’s results
23.
Which of the following titles best describes the content of the passage as a whole?
(A) The Necessity for Earnings Differentials in a Free Market Economy
(B) Why Discrimination Against Employed Women by Government Employers and Private Employers Differs from Discrimination Against Self-Employed Women by Consumers
(C) How Discrimination Affects Women’s Choice of Type of Employment
(D) The Relative Effect of Private Employer Discrimination on Men’s Earnings as Compared to Women’s Earnings(E)
(E) The Relative Effect of Discrimination by Government Employers, Private Employers, and Consumers on Women’s Earnings
The success of fluoride in combating
dental decay is well established and,
without a doubt, socially beneficial.
However, fluoride's toxic properties
(5) have been known for a century. In
humans excessive intake ( for adult,
over 4 milligrams per day) over many
years can lead to skeletal fluorosis, a
well-defined skeletal disorder, and in
(10) some plant species, fluoride is more
toxic than ozone, sulfur dioxide, or
pesticides.
Some important questions remain. For
example, the precise lower limit at
(15) which the fluoride content of bone
becomes toxic is still undetermined.
And while fluoride intake from water
and air can be evaluated relatively
easily, it is much harder to estimate
(20) how much a given population ingests
from foodstuffs because of the wide
variations in individual eating habits
and in fluoride concentrations in
foodstuffs. These difficulties suggest
(25) that we should by wary of indiscriminately
using fluoride, even in the form of
fluoride-containing dental products.
24.
In the passage, the author is primarily concerned with
(A) analyzing and categorizing
(B) comparing and contrasting
(C) synthesizing and predicting
(D) describing and cautioning(D)
(E) summarizing and reinterpreting
25.
The passage suggests that it would be easier to calculate fluoride intake from food if
(A) adequate diets were available for most people.
(B) individual eating habits were more uniform
(C) the fluoride content of food was more varied
(D) more people were aware of the fluoride content of food(B)
(E) methods for measuring the fluoride content of food were more generally agreed on
26.
One function of the second paragraph of the passage is to
(A) raise doubts about fluoride’s toxicity
(B) introduce the issue of fluoride’s toxicity
(C) differentiate a toxic from a nontoxic amount of fluoride
(D) indicate that necessary knowledge of fluoride remains incomplete(D)
(E) discuss the foodstuffs that are most likely to contain significant concentrations of fluoride
27.
The passage suggests which of the following about the effect of fluoride on humans?
(A) The effect is more easily measured than is the effect of exposure to pesticides.
(B) The effect of fluoride intake from water and air is relatively difficult to monitor.
(C) In general the effect is not likely to be as harmful as the effect of exposure to sulfur dioxide.
(D) An intake of 4 milligrams over a long period of time usually leads to a skeletal disorder in humans.(E)
(E) An intake of slightly more than 4 milligrams for only a few months is not likely to be life-threatening.
28. MONGREL:
(A) predator
(B) purebred
(C) nocturnal creature
(D) sentient being
(E) domestic animal
29. INCONSONANT:
(A) in agreement
(B) in control
(C) within reach
(D) realistic
(E) opportune
30. FETTER:
(A) set free
(B) be serious
(C) remain
(D) uncover
(E) lose
31. OBSESSION:
(A) chagrin
(B) aplomb
(C) intense disgust
(D) perfunctory interest
(E) consummate rudeness
32. RIVEN:
(A) balanced
(B) dried
(C) intact
(D) stripped
(E) elastic
33. ENSCONCE:
(A) avert
(B) impoverish
(C) displace
(D) discourage
(E) demolish
34. INVEIGLE:
(A) praise excessively
(B) refuse to compromise
(C) stubbornly insist
(D) openly seek to persuade
(E) attempt to blame
35. GRATUITOUS:
(A) warranted
(B) commercial
(C) overbearing
(D) secretive
(E) inexpensive
36. HALCYON:
(A) sequential
(B) astonishing
(C) insidious
(D) preposterous
(E) tempestuous
37. EXONERATE:
(A) denigrate
(B) subjugate
(C) inculpate
(D) mediate
(E) incapacitate
38. EXHAUSTIVE:
(A) partial
(B) beneficial
(C) irrational
(D) imaginative
(E) worthwhile
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