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GRE试题第

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GRE试题第五篇

GRE试题（五）

Time –30 minutes

25 Questions

1. Drug companies lose money when manufacturing

drugs that cure those suffering from rare diseases

because selling a drug to only a few people usually

does not recoup manufacturing expenses．Therefore,

a company manufacturing any of the drugs that cure

those suffering from loxemia, an extremely rare

disease, will undoubtedly lose money．

Which of the following, if true, most seriously

weakens the conclusion above？

(A)Several drugs that cure those suffering from

loxemia also cure those suffering from very

common illnesses．

(B)Most of those who contract loxemia also con-

tract another illness concurrently．

(C)Most of the drug companies that manufacture

drugs that cure rare diseases do not manufac-

ture drugs that cure loxemia．

(D)A sizable number of people are afflicted with

one or another rare disease even though each

rare disease afflicts only a small number of

people．

(E)The larger the amount of a drug that is manu-

factured, the lower the manufacturing expense

for each unit of the drug that is produced．

2.The tomb of a warrior killed in 1501 bears a sculpted

portrait depicting him dressed for battle．Some his-

torians attribute the portrait to an artist from that

century, but of the many references to the tomb in

surviving documents, none that predates the 1800’s

mentions the portrait．The portrait is therefore more

likely the work of a much later artist．

Which of the following, if true, would also support

the conclusion of the argument if substituted for the

evidence given concerning the portrait？

(A)The portrait of the warrior was commissioned by

the family of the warrior’s widow．

(B)References in surviving documents mention that

an artist was paid in 1525 for an unspecified

number of works for the church in which the

tomb is located

(C)The warrior is depicted in the portrait as wearing

boots made of a material not used for boots

until the 1700’s．

(D)Some other art treasures from the church in

which the tomb is located have been reliable

dated to the 1400’s．

(E)The portrait of the warrior on the tomb strongly

resembles a portrait of him known to have

been completed during his lifetime．

Questions 3-7

A florist is designing flower arrangements containing two

or more varieties of flowers selected from among six

varieties of flowers：freesias, irises, lilies, peonies, tulips,

and zinnias．All acceptable arrangements conform to the

following conditions：

If an arrangement contains any freesias, it cannot

contain any zinnias．

If an arrangement contains any tulips, it cannot

contain any zinnias．

If an arrangement contains any peonies, it must also

contain at least one zinnia, and there must be

exactly as many zinnias as peonies．

If an arrangement contains any irises, it must also contain

tulips, and there must be twice as many tulips as irises.

If an arrangement contains freesias, the number of

freesias must be greater than the total number of

other flowers used．

3. Which of the following flower arrangements could be

made acceptable simply by adding a tulip？

(A)Three freesias, one lily, two tulips

(B)Four freesias, two peonies, one tulip

(C)Five freesias, one iris, one tulip

(D)Two irises, two tulips, two zinnias

(E)Two lilies, two peonies, two tulips

4.Which of the following, if added to an unacceptable

flower arrangement consisting of four tulips and two

freesias, would make the arrangement acceptable？

(A)Four freesias

(B)Four irises

(C)Two lilies

(D)Two peonies

(E)Two zinnias

5.Each of the following is a pair of varieties of flowers

that can be used together in an acceptable flower

arrangement EXCEPT

(A)freesias and irises

(B)freesias and tulips

(C)irises and lilies

(D)irises and peonies

(E)lilies and zinnias

6.Which of the following unacceptable flower arrange-

ments could be made acceptable simply by removing

some or all of the flowers of one variety？

(A)Four freesias, one iris, one lily, one peony

(B)Four freesias, one iris, two tulips, one zinnia

(C)Four freesias, two irises, two tulips, one zinnia

(D)Three freesias, one lily, one peony, two zinnias

(E)Three freesias, two peonies, one tulip, two zinnias

7.If an unacceptable flower arrangement consisting of

four freesias, one lily, one peony, and two tulips is to

be made acceptable by adding or removing only one

flower, which of the following must be done？

(A)Add one freesia

(B)Add one iris

(C)Add one zinnia

(D)Remove the peony

(E)Remove one tulip

8.Scientist：More than 1, 000 large asteroids regularly

cross the Earth’s path．Even though the probabil-

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GRE试题（五）

ity of one colliding with the Earth is extremely

slight, we should do whatever we can to reduce

that probability since any such collision would

be catastrophic．The best way to avoid such a

disaster is to deflect the asteroids．The only

known way of deflecting asteroids is by hitting

them with nuclear weapons that would be stored

in space stations．

The scientist’s claims are structured so as to lead to

which of the following conclusions？

(A)Nuclear technology is the only technology that

can plausibly be used to prevent natural

catastrophes．

(B)Nuclear weapons should be deployed in space．

(C)No catastrophe has yet been caused by the

collision of an asteroid with the Earth．

(D)The 1, 000 large asteroids that cross the Earth’s

path pose only an extremely slight risk of

colliding with the Earth．

(E)There is currently no acceptable use to which

nuclear weapons can be put, aside from pro-

tecting the Earth from asteroids．

9.It has long been thought that high levels of the hor-

mone testosterone contribute to the onset of heart

disease in men．However, this view cannot be correct,

since men who have heart disease typically show

significantly lower levels of testosterone than do men

who have not had heart disease．

The argument above assumes which of the following？

(A)Many men who have never had heart disease

have unusually low levels of testosterone．

(B)Having heart disease does not significantly lower

the level of testosterone in men．

(C)Levels of hormones other than testosterone

significantly affect the likelihood that a man

will develop heart disease．

(D)Heart disease and lowered testosterone levels in

men are the effects of a single common cause．

(E)High levels of testosterone have never been

thought to contribute to a serious disease other

than heart disease

10.The time-out technique involves removing the child from

an undesirable situation in order to let the child think

things over．Over the last two decades, family doctors

have been advocating this technique as preferable to

spanking, which is now known to be potentially injurious

and no more effective．

10.Which of the following can properly be concluded

from the data presented in the graph？

(A)The 1962 survey was based on a larger sample

than the 1992 survey was．

(B)In the period between the surveys, denying tele-

vision privileges was never the disciplinary

technique most popular with parents．

(C)The four disciplinary techniques featured in the

graph were the only disciplinary techniques

named by parents in either survey．

(D)The 1962 survey allowed parents to name more

than one disciplinary technique, but the 1992

survey may not have allowed this．

(E)In the period between the surveys, there were

no significant changes in the popularity of lec-

turing children as a disciplinary method．

11.People who engage in scuba diving are healthier, on

average, than people who do not engage in this

activity．Therefore, scuba diving tends to promote

improved health．

The argument is most vulnerable to criticism on the

grounds that it

(A)presupposes that everyone who takes up scuba

diving does so solely for health reasons

(B)leads to a further and falsifiable conclusion that

no one can achieve good health without

engaging in scuba diving

(C)fails to point out that a small number of people

are seriously injured in scuba diving accidents

each year

(D)treats a precondition for improving one’s health

as though it were something that by itself

could ensure good health

(E)overlooks the possibility that people generally do

not take up scuba diving unless they are in

good health

Questions 12-15

An art museum owns six paintings by an eighteenth-

century painter．The paintings, listed in order by esti-

mated value from lowest to highest, are F, G, H, S, T,

and U．Paintings F, G, and H are landscapes; S, T, and U

are portraits．At any one time, exactly three of the six

paintings are on exhibit, subject to the following

restrictions:

The paintings on exhibit cannot all be landscapes．

If the exhibit includes only one portrait, that portrait

must be U．

H cannot be on exhibit at any time that T is on exhibit.

12.Which of the following could be the three paintings

on exhibit at some point？

(A)F, G, and H

(B)F, G, and T

(C)G, H, and S

(D)G, S, and U

(E)H, T, and U

13.Which of the following, if they are the first two

paintings selected for inclusion in a future exhibit,

leave the widest choice of paintings for the third

painting in that future exhibit？

(A)F and G

(B)G and H

(C)H and U

(D)S and T

(E)S and U

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GRE试题（五）

14.An exhibit must include S if which of the following

is true？

(A)T is included in the exhibit．

(B)T is not included in the exhibit．

(C)H is the only landscape included in the exhibit．

(D)U is included in the exhibit．

(E)The exhibit includes either F or G, but not both．

15.If U is undergoing restoration and is not available to

be exhibited, which of the following is a painting that

CANNOT then be exhibited？

(A)F

(B)G

(C)H

(D)S

(E)T

Questions 16-22

In each of the five consecutive days of a cooks’ con-

tention, exactly one of five well-known cooks―G, H, J,

K, and L―will cook a demonstration meal．Each of the

five cooks will cook exactly one of the five meals．The

schedule for the cooks is constrained by the following

conditions：

H cannot cook on any of the first three days．

L must cook on one of the days before the day on

which H cooks．

J must cook on one of the days before the day on

which G cooks．

G must cook on one of the days before the day on

which K cooks．

16.Which of the following can be the order, from first to

fifth, in which the five cooks cook the meals？

(A)G, K, L, J, H

(B)J, G, K, H, L

(C)J, G, K, L, H

(D)J, K, G, L, H

(E)L, J, H, K, G

17.If K cooks the fourth meal, which of the following

must be true？

(A)G cooks on the third day．

(B)H cooks on the fifth day．

(C)J cooks on the first day．

(D)J cooks on the second day．

(E)L cooks on the third day．

18.Which of the following can be true？

(A)G cooks the first meal．

(B)J cooks the fourth meal．

(C)L cooks the fifth meal．

(D)H cooks on some day before G cooks．

(E)L cooks on some day after K cooks．

19.If G cooks a meal on some day before L does, then it

must be true that

(A)G cooks the second meal

(B)J cooks the third meal

(C)H cooks the fourth meal

(D)K cooks the fifth meal

(E)L cooks the fourth meal

20.If J does not cook on the first day, then it must be

true that

(A)G does not cook the third meal

(B)H does not cook the fourth meal

(C)J does not cook the second meal

(D)L does not cook the third meal

(E)K does not cook the fifth meal

21.If H does not cook the fifth meal, which of the fol-

lowing must be true？

(A)G cooks the second meal．

(B)J cooks the first meal．

(C)J cooks the second meal．

(D)K cooks the fifth meal．

(E)L cooks the first meal．

22.If G cooks the third meal, which of the following

is true？

(A)L is the only one of the five cooks who can

cook the first meal．

(B)J is the only one of the five cooks who can

cook the second meal．

(C)Any one of exactly three of the five cooks can

cook the second meal．

(D)K is the only one of the five cooks who can

cook the fourth meal．

(E)Either one of exactly two of the five cooks can

cook the fifth meal．

23.Which of the following most logically completes the

argument below？

In recent years, the proportion of car buyers who buy

new cars rather than used cars has declined．Some

consumers have attributed this change to an increase

in new-car prices．As evidence of the price increase,

they cite figures that show that, even adjusting for

inflation, the price that the buyer of a new car pays,

on average, is far higher now than a few years ago．

This evidence is unpersuasive, however, because

(A)the value of a car that is bought new declines

much more rapidly than does the value of a

car that is bought used

(B)after someone has bought a car, it might be

several years before that person next buys

a car

(C)a decline in the proportion of car buyers who

buy new cars must necessarily mean that the

proportion who buy used cars has increased

(D)the relative increase in used-car sales might be

explained by the decisions of only a small

proportion of all car buyers

(E)the change in the average price paid for a new

car could result solely from more people’s

rejecting inexpensive new cars in favor of used

cars

24.In Bassaria a group of that country’s most senior

judges has criticized the uniform mandatory sentences

recently introduced for certain specific crimes．The

judges argue that such sentences, by depriving them

of all discretion in setting sentences, make it impos-

sible for them to consider either aggravating or exten-

uating circumstances and so make it impossible to

achieve true justice―the fitting of the severity of the

punishment to the gravity of the particular crime．

Which of the following, if true, provides the strongest

evidence for the claim that in Bassaria the newly

introduced mandatory sentences are not necessarily a

change for the worse with respect to ac

GRE试题（五）

hieving true

justice as defined in the argument？

(A)Before mandatory sentencing, judges in eastern

Bassaria imposed strikingly different sentences

from those in western Bassaria for equally

grave instances of the same kind of offense．

(B)In Bassaria the frequency of crimes that have

been made subject to mandatory sentences is

lower now than it was just prior to the intro-

duction of mandatory sentencing．

(C)The law introducing mandatory sentences was

passed in the legislature of Bassaria by a large

majority and is unlikely to be repealed in the

foreseeable future．

(D)There used to be a wide difference between the

minimum and the maximum sentences allowed

by law in cases of crimes now subject to man-

datory sentences．

(E)In Bassaria judges are appointed for life and are

thus not easily influenced by political pressure

groups．

25.Each of two particular inspection systems that are based

on different principles would detect all product flaws but

would also erroneously reject three percent of flawless

products．Assuming there is no overlap between the

products erroneously rejected by the two systems and

also no interference between the systems if both operate,

using both systems and rejecting only those products

found flawed by both would be a way of avoiding all

erroneous rejections．

Which of the following most precisely characterizes the

reasoning in the argument？

(A)The reasoning is conclusive, that is, the conclusion

cannot be false if the statements offered in its

support are true．

(B)The reasoning is strong but not conclusive, if the

statements offered in support of the conclusion are

true, they provide good grounds for that conclu-

sion, though it is possible that additional infor-

mation might weaken the argument．

(C)The reasoning is weak; the statements offered in

support of the conclusion, though relevant to it,

by themselves provide at best inadequate grounds for the conclusion．

(D)The reasoning is flawed in that the conclusion is no

more than a paraphrase of one of the pieces of

evidence offered in its support．

(E)The reasoning is flawed in that the argument treats

evidence that a factor is necessary to bring about

an event as if it were evidence that the factor is

sufficient to bring about that event．

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