1.Orchestral instruments --- under the following types: strings, woodwind, brass, and percussion.
(A) grouped
(B) can group
(C) can be grouped
(D) to be grouped
答案：C
测试点；谓语/被动语态.
分析：此句有主语而缺谓语动词．当主语是物而不是人时，group一般用其被动形式，故选(C)．(A)(B)为主动语态，(D)不定式不能作谓语.
2.---
depressions in the ocean floor are called trenches.
(A) There are the deep
(B) Are the deep
(C) Where deep
(D) Deep
答案：D
测试点；定语。
分析：空格后为一完整的句子，位于句首的名词前缺的是修饰，限定它的词。(D)为形容词，可作depressions的定语.
3.In
the course of her life, Mary Anne Sadlier ---, some fifty of them original
novels and collections of stories.
(A) Produced nearly sixty books
(B) Produced sixty books nearly
(C) Nearly sixty books produced
(D) Sixty books nearly produced
答案：A
测试点：动宾结构／词序.
分析：句子有主语而缺谓语，宾语应在答案中选择动词+宾语的结构，即(A)、(B)．副词nearly修饰数词时，应放在数词的前面，故选(A).
4.---
xenon could not form chemical compounds was once believed by scientists.
(A) For
(B) It was
(C) That
(D) While
答案：C
测试点：主语从句.
分析：系动词was前为主语部分；主语是从句时，应是that或what等引导的名词性从句，故选(C)。(A)for是介词，后面不能接从句；(B)It是形式主语。但句中未用此结构；(D)while不能引导主语从句.
解题要点：看到空格后连续出现两个谓语动词(如此句中的could not form…was)时，应想到所缺主语可能是个从句，故在四个答案中首先寻找that what之类的连接词.
5.Eastern
meadowlarks abound in places ---, but eat harmful insects rather than grain.
(A) land is cultivated there
(B) there is land cultivated
(C) where land is cultivated
(D) where is cultivated land
答案：C
测试点：定语从句.
分析：places表示地点它后面的定语从句应以where开头，故从(C)(D)中选择．(D)where是副词，在从句中作状语不能作主语，故(C).
6.Amplifiers
such as those in computers and sound –reproducing systems are responsible for
--- an erratic input signal.
(A) strengthening
(B) being strengthened
(C) strengthen
(D) to strengthen
答案：A
测试点；介词宾语。
分析：介词for后应接名词性成份。(A)strengthening是动名词，可作介词宾语。(B)是其被动形式，与句意不合；(C)(D)为动词形式.
7.---
John Aaron Lewis pioneered in the development of “third stream music,”a blend
of jazz and classical music.
(A) A composer, who was
(B) He was a composer
(C) As a composer
(D) When a composer he
答案：C
测试点：状语.
分析：空格后为一完整的句子，而主语是一人名，所缺通常是一个说明此人身份的短语，同位语或状语．故选(C)是介词短语，可作状语．(A)、(D)均含有从句成份，使句意不通；(B)是一单句，与空格后的部分无法衔接.
8.In
reorganizing the curriculum of Mt. Holyoke College in the late 1800’s Elizabeth
Mead laid the foundation --- the modern college rests.
(A) is which
(B) on which
(C) which is on
(D) on it
答案：B
测试点：介语+which结构。
分析：名词foundation后为其定语从句，从句主、谓俱全，所缺为表示地点或范围、方面的状语应选择介词+which的结构，即(B).
9.Research
into the dynamics of storms is directed toward improving the ability to predict
these events --- to minimize damage and avoid loss of life.
(A) and thus
(B) so
(C) however
(D) because
答案：A
测试点：连词并列结构.
分析：名词ability后面有两个并列的不定式短语． predict和to minimize…，应当用连词and连接．thus是副词，意为“因此，从而”，and thus常常连用．(B)so是错误搭配，正确用法是so as to.
10. --- lived on the North
Saskatchewan River long before the Hudson’s Bay Company built a fur trading
post there.
(A) Cree people
(B) For Cree people
(C) It was Cree people
(D) Where Cree people
答案：A
测试点；主语。
分析：句子有谓语而无主语，应在答案中选择名词或名词词组。(A)是名词词组；可作主语．(B)多了介词；(C)是形式主语结构，与后文不符；D)为从句形式.
11. --- has been a topic of continual
geological research.
(A) Did the continents originate
(B) How did the continents originate
(C) Have the continents originated
(D) How the continents originated
答案：D
测试点：主语从句.
分析：句子有谓语而无主语，应在答案中选择名词性成份作主语．that，what，how引导的从句为名词性从句，故在(B)、(D)中选择．(B)为疑问句，(D)才是从句语序.
12. Because the papaya grows readily
from seed, ---spread from its home in Central America and now grows throughout
the tropics.
(A) to be
(B) it
(C) the
(D) its
答案：B
测试点：主语.
分析：空格前为表示原因的从句，空格后为主句；主句有谓语spread而无主语，应在答案中选择可做主语的成份，即(C)代词it。
13. The elimination of inflation
would ensure that the amount of money used in repaying a loan would have ---as
the amount of money borrowed.
(A) as the same value
(B) the same value
(C) value as the same
(D) the value is the same
答案：B
测试点；the same…as…结构侗序.
分析：(B)the same value as是正确的“the same+名词+as结构．其余答案均为错误词序.
14. Futurism, ---early
twentieth-century movement in art, rejected all traditions and attempted to
glorify contemporary life by emphasizing the machine and motion.
(A) an
(B) was an
(C) that it was an
(D) that an
答案：A
测试点：Futurism为主语，
分析：rejected为谓语动词，逗号隔开的中间部分是主语的同位语；名词movement前缺冠词，故选(A).
15. All living organisms constantly
absorb carbon 14 ---their existence.
(A) out
(B) about
(C) around
(D) throughout
答案：D
介词/习语。
分析：Throughout one’s life／existence是固定短语。
16. Porcelain is not
a single clay, and a compound of kaolin, ball clay, feldspar,
and silica.
答案：C
测试点；not…but…用法.
分析：看到not…，应想到后文有表示转折关系的but与之连用，不能用表示并列关系的and连接.
17. The bison, know for
the hump over its shoulders, is usually called a buffalo
in North America.
答案：A
测试点：词形
分析：分词短语作后置定语．know是动词原形，而修饰主语应当用分词应为known.
18. Perspiration, the
body’s built-in cooling mechanism occurs as a natural
reaction to nervousness, intense heat, or vigorously exercise.
答案：D
测试点：词性／并列结构.
分析：连词or两边的成份应同词性、同性质，故exercise应与nervousness和heat一样，是名词而非动词。修饰名词应当用形容词vigorous，不用副词vigorously。
解题要点；遇到划线的-ly结尾的副词时，应首先考虑它是否与其形容词形式错用.
19. Because of the rising
cost of fuel, scientists are building automobile engines who
will conserve gasoline but still run smoothly.
答案：D
测试点：who和which的用法.
分析：定语从句修饰的engines是物而不是人，作为从句主语的关系词不能用who,而应为that或which.
20. The primary
function of a sonometer is to calculate and demonstrate the relations
mathematical of melodious tones.
答案：C
测试点：词序.
分析：单个的形容词修饰名词时，应放在名词前面．应为mathematical relations.
解题要点；形容词(定语) +名词这一结构的词序颠倒是TOEFL常考题型。
21. The most useful way
of looking at a map is not as a piece of papers, but as a record
of geographically organized information.
答案：C
分析：a piece of 后面不可能是复数名词，改为paper
22. The most useful way
of looking at a map is not as a piece of papers, but as a record
of geographically organized information.
答案：C
测试点；数的一致／名词的数
分析：A piece of后应接单数名词，且paper作“纸张”讲时，为不可数，不能加s.
23. Vitamin A is essential
to bone grow and to the healthiness of the skin and mucous
membranes.
答案：B
测试点：并列结构／词性.
分析：and两边应同结构、同词性．and后为to+名词词组，and前也应是to+名词词组．grow为动词，应为growth.
24. The Moon, being much
more nearer to the Earth than the Sun, is the principal cause of
the tides.
答案：B
测试点；比较级形式重复。
分析：遇到划线的是比较级形式时，应注意其more和-er的形式是否被重复。此处more多余.
解题要点；比较级形式重复使用是TOEFL常考题型.
25. One of the wildest
and most inaccessible parts of the United States are the
Everglades where wildlife is abundant and largely protected.
答案：C
测试点：主谓数的一致.
分析：主语是one of…时，谓语动词或系动词要用单数．one应为is.
解题要点：句中出现one of…结构时，应特别留意其谓语动词是否单数形式.
26. The dromedary camel is raised especially to racing.
答案：D
测试点：不定式／词形.
分析：此处to为不定式的符号，其后应接动词形式，不定式作目的状语．应为race.
27. The founding of the
Boston Library in 1653 demonstrate the early North American colonists
interest in books and libraries.
答案：A
测试点；主谓数的一致/时态。
分析：动名词作主语(The
founding)，谓语动词要用第三人称单数形式，而demonstrate为复数．或者，根据时间状语in l653，谓语亦可用一般过去时demonstrated.
28. Public recognition
of Ben Shahn as a major American artistic began with a retrospective
show of his work in 1948.
答案：B
测试点：词性.
分析：冠词a后应有名词，而artistic是形容词．应为artist.
29. The texture of soil
is determined by the size of the grains or particles that make
up.
答案：D
测试点：习语／缺词.
分析：Make up表示“组成”时，要带宾语．此处应为make it up.
解题要点：与make有关的各种短语为TOEFL常考题.
29. To produce one pound of
honey, a colony of bees must fly a distance equals to twice around
the world.
答案：C
测试点：词性.
分析：equals是谓语动词单数第三人称的形式，但此处不应是谓语，而应是修饰前面的名词distance的定语。应用形容词短语equal
to。
30. The domestic
dog, considered to be the first tamed animal, is coexisting with human
beings since the days of the cave dwellers.
答案：B
测试点；时态.
分析：时间状语是since the
days of the caved wellers (自从穴居时代起)，时态不应用现在进行时，而应用完成时或完成进行时has
been coedsting.
31. Nature not only gave the Middle Atlantic region fine harbors,
however endowed it with a first-class system of inland waterways.
答案：C
测试点：not only…but also…的用法.
分析：这个结构常常出现在考题中．看到前面出现的not only,就应注意后面是否有but
also部分．however应为but also．解题要点：however虽与but also词意相同，但前者是副词，后者为连词。
32. All matter resists any
change in their condition of rest or of motion.
答案：B
测试点；代词数的一致.
分析：matter表示“物质”，为不可数名词，主语All matter视为单数，且谓语动词resists也说明了这一点．此处代词也要用单数的its.
33. Swans, noted
for graceful movements in the water, have been the subject of
many poetry, fairy tales, legends, and musical compositions.
答案：D
测试点；近义词.
分析：poetry表示“诗歌”，为总称，不可数．前有修饰可数名词的many，此处应用可数的poems表示“诗”.
34. Since peach trees bloom
very early in the season, they are in danger for spring frosts.
答案：C
测试点；介词/习语。
分析：Be in danger of是固定短语，此处介词不能用for。
35. Like some other running birds, the sanderling lacks a back
toe and has a three-toed feet.
答案：D
测试点；名词的数的一致.
分析：冠词a后应接单数名词．应为foot
解题要点；当划线的词中有foot或feet时，应首先考虑其单复数形式是否错用。
36. Lucretia Mott’s
influence was too significant that she has been credited by some authorities
as the originator of feminism in the United States.
答案：A
测试点：so…that和too…to…的用法.
分析：这两个结构常见被错误搭配．后文的that是关键词，说明此处应用so.
解题要点；看到划线的部分有too出现，应首先考虑它是否用错.
37. Large bodies
of water and the prevalence of moisture-bearing winds often
produce a condition of tall humidity, affecting the local weather.
答案：D
测试点；近义词。
分析：tall只可用来表示具体事物的高度，如身高、树高等，而high则可表示程度的高低，如；温度、湿度，速度等．此处应为high humidity.
38. Manganese does not
exist naturally in a pure state because it reacts so easily
with other element.
答案：D
测试点：数的一致.
分析：other后面的可数名词要用复数形式．应为elements.
39. Scientists estimate
that as many as hundred millions visible meteors enter the
Earth’s atmosphere every day.
答案：B
测试点：数词.
分析：接在具体的数字后面时，million，hundred, thousand这些词是数词，只有单数形式．应为million.
40. Although not abundant in nature, zinc is important for both the
galvanization of iron and the preparation of alloys as such brass
and German silver.
答案：D
测试点；词序/习语。
分析：短语as such表示“照此”或“本身”，而此处后面举例，是“例如”的意思，应为such as.
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