下面SAT频道为大家整理了SAT语法练习题（九）含答案及解析，供考生们参考，以下是详细内容。

　　81. In 1973 mortgage payments represented twenty-one percent of an average thirty-year-old male's income;

　　and forty-four percent in 1984.

　　(A) income; and forty-four percent in 1984

　　(B) income; in 1984 the figure was forty-four percent

　　(C) income, and in 1984 forty-four percent

　　(D) income, forty-four percent in 1984 was the figure

　　(E) income that rose to forty-four percent in 1984

　　82. In contrast to large steel plants that take iron ore through all the steps needed to produce several different

　　kinds of steel, processing steel scrap into a specialized group of products has enabled small mills to put

　　capital into new technology and remain economically viable.

　　(A) processing steel scrap into a specialized group of products has enabled small mills to put capital into

　　new technology and remain

　　(B) processing steel scrap into a specialized group of products has enabled small mills to put capital into

　　new technology, remaining

　　(C) the processing of steel scrap into a specialized group of products has enabled small mills to put capital

　　into new technology, remaining

　　(D) small mills, by processing steel scrap into a specialized group of products, have been able to put

　　capital into new technology and remain

　　(E) small mills, by processing steel scrap into a specialized group of products, have been able to put

　　capital into new technology and remained

　　83. Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one

　　when it is not.

　　(A) a condition when it is present and indicate that there is one

　　(B) when a condition is present and indicate that there is one

　　(C) a condition when it is present and indicate that it is present

　　(D) when a condition is present and indicate its presence

　　(E) the presence of a condition when it is there and indicate its presence

　　84. One legacy of Madison Avenue's recent campaign to appeal to people fifty years old and over is the

　　realization that as a person ages. their concerns change as well.

　　(A) the realization that as a person ages, their

　　(B) the realization that as people age, their

　　(C) to realize that when a person ages, his or her

　　(D) to realize that when people age, their

　　(E) realizing that as people age, their

　　85. Out of America's fascination with all things antique have grown a market for bygone styles of furniture and

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　　fixtures that are bringing back the chaise lounge, the overstuffed sofa, and the claw-footed bathtub.

　　(A) things antique have grown a market for bygone styles of furniture and fixtures that are bringing

　　(B) things antique has grown a market for bygone styles of furniture and fixtures that is bringing

　　(C) things that are antiques has grown a market for bygone styles of furniture and fixtures that bring

　　(D) antique things have grown a market for bygone styles of furniture and fixtures that are bringing

　　(E) antique things has grown a market for bygone styles of furniture and fixtures that bring

　　86. Having the right hand and arm being crippled by a sniper's bullet during the First World War. Horace Pippin,

　　a Black American painter, worked by holding the brush in his right hand and guiding its movements with his

　　left

　　(A) Having the right hand and arm being crippled by a sniper's bullet during the First World War

　　(B) In spite of his right hand and arm being crippled by a sniper's bullet during the First World War

　　(C) Because there had been a sniper's bullet during the First World War that crippled his right hand and

　　arm

　　(D) The right hand and arm being crippled by a sniper's bullet during the First World War

　　(E) His right hand and arm crippled by a sniper's bullet during the First World War

　　87. Beyond the immediate cash flow crisis that the museum faces, its survival depends on if it can broaden its

　　membership and leave its cramped quarters for a site where it can store and exhibit its more than 12,000

　　artifacts.

　　(A) if it can broaden its membership and leave

　　(B) whether it can broaden its membership and leave

　　(C) whether or not it has the capability to broaden its membership and can leave

　　(D) its ability for broadening its membership and leaving

　　(E) the ability for it to broaden its membership and leave

　　88. The Emperor Augustus, it appears, commissioned an idealized sculpture portrait, the features of which are

　　so unrealistic as to constitute what one scholar calls an "artificial face."

　　(A) so unrealistic as to constitute

　　(B) so unrealistic they constituted

　　(C) so unrealistic that they have constituted

　　(D) unrealistic enough so that they constitute

　　(E) unrealistic enough so as to constitute

　　89. A recent national study of the public schools shows that there are now one microcomputer for every

　　thirty-two pupils, four times as many than there were four years ago.

　　(A) there are now one microcomputer for every thirty-two pupils, four times as many than there were

　　(B) there is now one microcomputer for every thirty-two pupils, four times as many than there were

　　(C) there is now one microcomputer for every thirty-two pupils, four times as many as there were

　　(D) every thirty-two pupils now have one microcomputer, four times as many than there were

　　(E) every thirty-two pupils now has one microcomputer, four times as many as

　　90. Since 1986, when the Department of Labor began to allow investment officers' fees to be based on how the

　　funds they manage perform, several corporations began paying their investment advisers a small basic fee,

　　with a contract promising higher fees if the managers perform well.

　　(A) investment officers’ fees to be based on how the funds they manage perform, several corporations

　　began

　　(B) investment officers’ fees to be based on the performance of the funds they manage, several

　　corporations began

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　　(C) that fees of investment officers be based on how the funds they manage perform, several corporations

　　have begun

　　(D) fees of investment officers to be based on the performance of the funds they manage, several

　　corporations have begun

　　(E) that investment officers' fees be based on the performance of the funds they manage, several

　　corporations began

　　参考答案：

　　Answer to Question 81

　　To establish the clearest comparison between circumstances in 1973 and those in 1984, a separate clause is

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　　needed to describe each year. Choices A and C, in failing to use separate clauses, are too elliptical and

　　therefore unclear. Choice A also incorrectly uses and and a semicolon to separate an independent clause and a

　　phrase. Choice D incorrectly separates two independent clauses with a comma; moreover, the placement of in

　　1984 is awkward and confusing. In choice E, that refers illogically to income, thereby producing the

　　misstatement that income rather than mortgage payments rose to forty-four percent in 1984. Choice B is best;

　　two properly constructed clauses that clearly express the comparison are separated by a semicolon.

　　Answer to Question 82

　　The logical comparison here is between large steel plants and small mills. Choices A, B, and C illogically

　　contrast large steel plants with [the] processing [of] steel scrap. Further, in choices B and C remaining is

　　not parallel with put; consequently, it is not clear exactly what is remaining economically viable. The contrast

　　between large plants and small mills is logically phrased in choices D and E, but remained in E is not parallel

　　with put. Choice D, the best answer, uses parallel verb forms to complete the construction have been able to

　　put... and remain.

　　Answer to Question 83

　　Only choice C, the best answer, produces a sentence in which every pronoun it refers clearly and logically to the

　　noun condition. In choices A and B, the phrase indicate that there . is one does not grammatically fit with

　　when it is not because it has no referent. Choices B and D are imprecise in saying that a test will fail to detect

　　when a condition is present, since the issue is the presence and not the timing of the condition. Further, its

　　presence in D leaves the it in when it is not without a logical referent: it must refer to condition, not presence.

　　Choice E repeats this error; also, the presence ... when it is there is imprecise and redundant.

　　Answer to Question 84

　　In choice A, the plural pronoun their does not agree in number with the singular noun person. Choices C, D,

　　and E can be faulted for failing to complete the construction One legacy ... is with a noun that matches the noun

　　legacy; these choices use verb forms--the infinitive to realize or the present participle realizing--in place of a

　　noun such as realization. Further, when in C and D is less precise than as in characterizing a prolonged and

　　gradual process such as aging. B is the best answer.

　　Answer to Question 85

　　Choice B is best. In A and D, have grown does not agree with the singular noun market. In addition, all of the

　　choices except B use plural verbs after that, thus illogically stating either that bygone styles of furniture and

　　fixtures, or fixtures alone, are reviving the particular pieces mentioned; it is instead the market for those styles

　　that is bringing back such pieces, as B states. Furthermore, choices C and E, by using the verb form bring, fail

　　to convey the ongoing nature of the revival properly described by the progressive verb is bringing.

　　Answer to Question 86

　　In E, the best answer, the construction His right hand... crippled clearly and grammatically modifies the subject

　　of the sentence, Horace Pippin. In A, the use of the two participles Having and being is ungrammatical. Choice

　　B is awkward and changes the meaning of the original statement: the point is that Pippin's method of painting

　　arose because of, not in spite of, his injury. Choice C is wordy and awkwardly places the clause beginning that

　　crippled... so that it appears to modify the First World War rather than bullet. In choice D, The should be His,

　　and being should be omitted.

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　　Answer to Question 87

　　Choice A is faulty because it uses the unidiomatic construction depends on if; whether is required to connect

　　depends on with the clause beginning it can.... Choice C uses whether or not where only whether is needed,

　　includes the awkward and wordy construction has the capability to, and unnecessarily repeats the idea of

　　capability with can. Choices D and E use unidiomatic constructions where the phrase its ability to broaden is

　　required. Choice B--idiomatic, concise, and correct--is best.

　　Answer to Question 88

　　The verbs are and calls indicate that the sculpture is being viewed and judged in the present. Thus, neither the

　　past tense verb constituted (in B) nor the present perfect verb have constituted (in C) is correct; both suggest

　　that the statue's features once constituted an artificial face but no longer do so. Also, B would be better if that

　　were inserted after so unrealistic, although the omission of that is not ungrammatical. Choices D and E use

　　unidiomatic constructions with enough: unrealistic enough to constitute would be idiomatic, but the use of

　　enough is imprecise and awkward in this context. Choice A, which uses the clear, concise, and idiomatic

　　construction so unrealistic as to constitute, is best.

　　Answer to Question 89

　　Choices A, B, and C appropriately use the construction "one X for every thirty-two Y's" to describe the ratio of

　　computers to pupils, but only C, the best answer, is error-free. In A, are does not agree with the subject, one

　　microcomputer; furthermore, in A, B, and D, than is used where as is required. Choices D and E reorder and

　　garble the "one X ..." construction, making four times as many refer illogically to pupils.

　　Answer to Question 90

　　The clause beginning Since 1986... indicates that the practice described in the second clause continued for

　　some period of time after it began. Choice D, the best answer, supplies the present perfect have begun, which

　　conveys this continuity; D also uses a construction that is appropriate when "allow" means "permit": allow... to

　　be based on. Choices A, B, and E incorrectly use the past tense began rather than the present perfect;

　　furthermore, in each of these options, they has no referent, since officers is a possessive modifier of fees.

　　Choices A and C include the awkward phrase based on how the funds they manage perform. Choices C and

　　E incorrectly use allow that.. .fees be based.

　　以上就是SAT语法练习题（九）含答案及解析的详细内容，考生可针对文中介绍的方法进行有针对性的备考。