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GRE ·93考题精选（九）(1) |
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| GRE ·93考题精选（九）(1) |
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作者：佚名 文章来源：不详更新时间：2006-5-30 12:36:50  |
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If the only house with granite siding is house 2 and
if house 6 has tile siding, which of the following houses
can have wood siding?
House 3
House 5
House 7
House 9
House 9
————————————————————————
答案：(E)
读题：一个设计师设计一排9个房屋从1到9，每个屋子用5种不同类型屋顶之一
g、p、s、t、w
写条件：
1、≥1 （表示每种屋顶至少被使用一次）
2、w→（ws）/（sws） （表示有W，则W和至少一个S相邻）
3、～（w/s t） （表示W,S不和t相邻）
4、g→(g t/p)/(tgp) （表示有g,则g和t,p至少一个相邻）
5、s≠4,9 （表示4,9不能为S）
条件总结：
由条件1知，每种屋顶至少被使用一次，
所以对条件2，条件4来说，必然存在w,g，充分条件可转化为一种固定的必然条件，
对W：一定有(ws)/（sws）
对g：一定有(g t/p)/(tgp)
如果g=2（注意这是仅有的g）并且t=6,下面哪一个可能是w？
2 3 4 5 6 7 8 9
g t
1、首先我们看一下g、t的条件，
由条件3：～(w/s t)得，w≠5,7
2、问哪一个可能是w，而涉及w的条件还有(ws)/(sws)，因此放w的地方必须有至少两个
连续空间
3、现在留下的连续空间只有34/89, 故(ws)=34/89,
由于s≠4,9，故w可以为4or9，所以选E
If the only house with wood siding is house 3, then
any of the following houses can have tile siding EXCEFT
house
1
5
6
8
9
————————————————————————
答案：(A)
读题：一个设计师设计一排9个房屋从1到9，每个屋子用5种不同类型屋顶之一
g、p、s、t、w
写条件：
1、≥1 （表示每种屋顶至少被使用一次）
2、w→（ws）/（sws） （表示有W，则W和至少一个S相邻）
3、～（w/s t） （表示W,S不和t相邻）
4、g→(g t/p)/(tgp) （表示有g,则g和t,p至少一个相邻）
5、s≠4,9 （表示4,9不能为S）
条件总结：
由条件1知，每种屋顶至少被使用一次，
所以对条件2，条件4来说，必然存在w,g，充分条件可转化为一种固定的必然条件，
对W：一定有(ws)/（sws）
对g：一定有(g t/p)/(tgp)
如果仅有的有w屋顶的是3，那么下面哪一个可能有t，EXCEPT?
解题步骤:
1、找涉及w的条件,由条件2 (ws)/(sws)得，s=2,4中至少一个
在有s≠4,9得， s=2
2、在由 ～(w/s t)得，t≠1
If houses 4 and 5 have wood siding and if houses 1
and 8 have plaster siding, then the siding on house must
be
granite
plaster
shingle
tile
wood
————————————————————————
答案：(D)
读题：一个设计师设计一排9个房屋从1到9，每个屋子用5种不同类型屋顶之一
g、p、s、t、w
写条件：
1、≥1 （表示每种屋顶至少被使用一次）
2、w→（ws）/（sws） （表示有W，则W和至少一个S相邻）
3、～（w/s t） （表示W,S不和t相邻）
4、g→(g t/p)/(tgp) （表示有g,则g和t,p至少一个相邻）
5、s≠4,9 （表示4,9不能为S）
条件总结：
由条件1知，每种屋顶至少被使用一次，
所以对条件2，条件4来说，必然存在w,g，充分条件可转化为一种固定的必然条件，
对W：一定有(ws)/（sws）
对g：一定有(g t/p)/(tgp)
如果4,5=w，并且如果1,8=p，那么9是什么？
1 2 3 4 5 6 7 8 9
p s w w s p
1、由(ws)/(sws)得，3,6=s，还剩下2个元素t,g，它们中必然要
在2,7,9中找到自己的位置
2、由条件3：～(w/s t)得，t≠2,7，所以t=9
A museum manager must assign security guards to guard a
four-day exhibit, lasting from Wednesday through Saturday.
Exactly two guards must be assigned to be on duty together
on each of the
共6页: 1 [2] [3] [4] [5] [6] 下一页
four days. The manager has eight guards—
Gail, Helena, Jose, Kiel,Lamar, Mary, Pam, and Ralph—to
assign. Each guard must be assigned, and guard assignments
are subject to the following condition:
Ralph cannot be assigned to the Saturday shift.
Gail cannot be assigned to the same day as Jose.
Gail cannot be assigned to the Thursday shift.
Jose must be assigned to either the Wednesday or the Saturday shift
Kiel must be assigned to the same day as Mary.
Pam must be assigned to the Thursday shift.
If Gail is assigned to the Saturday shift, which of
the following must be assigned to the Wednesday shift?
Helena
Jose
Kiel
Lamar
Ralph
————————————————————————
答案：(B)
If Kiel is assigned to the Saturday shift, which of
the following must be true?
Gail is assigned to the Friday shift.
Helena is assigned to the Wednesday shift.
Jose is assigned to the Saturday shift.
Lamar is assigned to the Friday shift.
Ralph is assigned to the Thursday shift.
————————————————————————
答案：(A)
If Kiel is assigned to the Friday shift. which of
the following is a pair of guards who can be assigned
to the Wednesday shift?
Gail and Helena
Gail and Pam
Helena and Lamar
Jose and Mary
Lamar and Ralph
————————————————————————
答案：(A)
If Mary is assigned to the Wednesday shift, which
the following must be true?
Gail is assigned to the Friday shift.
Helena is assigned to the Saturday shift.
Jose is assigned to the Wednesday shift.
Ralph is assigned to the Thursday shift.
Ralph is assigned to the Friday shift.
————————————————————————
答案：(A)
If Gail and Helena are assigned to the Wednesday
shift, which of the following is the pair of guards
who must be assigned to the Saturday shift?
Lamar and Ralph
Kiel and Mary
Jose and Ralph
Jose and Mary
Jose and Lamar
————————————————————————
答案：(E)
For the United States meat industry, there is good
news and bad news. The bad news is that over the last
three years people in the United States have been eating
less meat. The good news, is that during this same time
period meat producers' profits have risen steadily.
Which of the following, if true during the last three
years, contributes most to a resolution of the apparent
discrepancy above?
People
共6页: 上一页 [1] 2 [3] [4] [5] [6] 下一页
have been eating less meat because they are
more health conscious than in the past.
In the United States many new restaurants that
specialize in vegetarian meals have opened.
Competition from the growing fish industry has
forced meat producers to sell meat at bargain prices
in an attempt to attract more consumers.
Countries that are unable to produce enough meat for
their populations have become a new and lucrative market
for United States meat producers.
Meat producers have invested large amounts of money
in advertising in order to win back consumers who have
decreased their meet consumption.
————————————————————————
答案：(D)
Simon: We still do not know whether machines might
be able to think. Computers are able to perform very
sophisticated tasks but lack the flexibility charac-
teristic of human intelligence.
Roberta: We do not need more sophisticated computers
to know whether machines can think, we humans are machines
and we think.
Roberta's response to Simon is based on a reinter-
pretation of the term
"computer"
"know"
"machine"
"sophisticated"
"think"
————————————————————————
答案：(C)
The dramatic rise in the number of homeless people
in the 1980's cannot be attributed to the discharge of
mentally ill persons from hospitals into community care,
even though it is true that provisions for such community
care are for the most part nonexistent.
Which of the following, if true, best supports the claim above?
The policy of discharging mentally ill persons from
hospitals was based on the supposition that their illnesses
could be controlled by newly developed drugs.
Without supervision in a hospital setting, those people
whose mental illness can be controlled by medication might
not actually take prescribed medication.
Some community care programs for mentally ill persons
did exist in the 1980's. but those programs consisted
primarily of outpatient clinics.
The policy of discharging significant numbers of
mentally ill persons from hospitals took effect in the
1960's.
There have always been some people in large cities
who have led a homeless existence.
————————————————————————
答案：(D)
The fact that a theory is ------- does not necessarily
------- its scientific tru
共6页: 上一页 [1] [2] 3 [4] [5] [6] 下一页
th, which must be established
by unbiased controlled studies.
plausible.. ensure
popular.. limit
venerable.. override
cohesive. undermine
cumbersome.. alleviate
————————————————————————
答案：(A)
unbiased: a.不偏袒一方的，无偏见的，公正的
controlled: a（通过对照实验）得到检验的，得到核实的，被核对的
plausible: a.1.（论点等）貌似有理（真实）的 2.（人）貌似可信的
venerable: a.值得敬重的，令人崇敬的
override: v.1.（以更大的权力）撤销，推翻，使无效 2.优先于，压倒
cohesive: a.1.黏合在一起的 2.团结的，结合的 3.有内聚力的
cumbersome: a.笨重的，累赘的
alleviate: v.使（痛苦等）易于忍受，减轻，缓和
某一理论貌似有理，这一事实并不一定能保证其科学真理，而科学真理则必须通过不偏不
倚的、采用对照实验予以核实的研究来确立。
It is difficult to distinguish between the things that
charismatic figures do ------- and those that are carefully
contrived for effect.
formally
publicly
prolifically
spontaneously
willfully
————————————————————————
答案：(D)
charismatic: a.1.能吸引人们为之效忠的，极有性格魅力的 2.有神授超凡能力的
contrive: v.谋划，策划
prolific: a.富于创造力的，丰富的，多产的
spontaneous: a.自发的，自然的，无意识的，不由自主的
villfully: adv.1.任性地，执拗地 2.故意地，存心地
在极有性格魅力的人物自发而为的事情以及那些处心积虑为了表面效应而策划的事情之
间，很难作出区分。
The development of containers, possibly made from bark
or the skins of animals, although this is a matter of
-------, allowed the extensive sharing of forage foods
in prehistoric human societies.
record
fact
degree
importance
conjecture
————————————————————————
答案：(E)
container: n.1.容器 2.容量 3.集装箱
bark: n.树皮
forage: n.草料，饲料
prehistoric: a.有文字记载的历史以前的，史前的
conjecture: n.推测，猜测，揣摩
在史前时期的人类社会中，容器很有可能是从树皮或动物的皮革制造而成的，尽管此事仅
是一种猜测，但容器的发展却使草料食物的大规模分享成为可能。
Although the young violinist's ------- performance,
with the orchestra demonstrated his technical competence.
his uninspired style and lack of interpretive maturity
labeled him as a novice musician rather than as a truly
------- performer.
spectacular.. conventional
blundering.. artistic
marginal.. inept
steady.. .accomplished
dazzling.. unskilled
————————————————————————
答案：(D)
demonstrate: v.1.论证，证明 2.说明，教 3.显示，表露
competence: n.能力，胜任，称职
uninspired: a.未得灵感启发的，缺乏[1] [2] 下一页
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