SAT语法练习题（八）含答案及解析

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36. Bufo marinus toads, fierce predators that will eat frogs, lizards, and

even small birds, are native to South

America but were introduced into Florida during the 1930's in an attempt to

control pests in the state's vast

sugarcane fields.

(A) are native to South America but were introduced into Florida during the

1930's in an attempt to control

(B) are native in South America but were introduced into Florida during the

1930's as attempts to control

(C) are natives of South America but were introduced into Florida during the

1930's in an attempt at

controlling

(D) had been native to South America but were introduced to Florida during

the 1930's as an attempt at

controlling

(E) had been natives of South America but were introduced to Florida during

the 1930's as attempts at

controlling

37. While some academicians believe that business ethics should be integrated

into every business course,

others say that students will take ethics seriously only if it would be

taught as a separately required course.

(A) only if it would be taught as a separately required course

(B) only if it is taught as a separate, required course

(C) if it is taught only as a course required separately

(D) if it was taught only as a separate and required course

(E) if it would only be taught as a required course, separately

38. Scientists have observed large concentrations of

heavy-metal deposits in the upper twenty centimeters of Baltic Sea sediments,

which are consistent with the

growth of industrial activity there.

(A) Baltic Sea sediments, which are consistent with the growth of industrial

activity there

(B) Baltic Sea sediments, where the growth of industrial activity is

consistent with these findings

(C) Baltic Sea sediments, findings consistent with its growth of industrial

activity

(D) sediments from the Baltic Sea, findings consistent with the growth of

industrial activity in the area

(E) sediments from the Baltic Sea, consistent with the growth of industrial

activity there

39. For members of the seventeenth-century Ashanti nation in Africa,

animal-hide shields with wooden frames

were essential items of military equipment, a method to protect warriors

against enemy arrows and spears.

(A) a method to protect

(B) as a method protecting

(C) protecting

(D) as a protection of

(E) to protect

40. In metalwork one advantage of adhesive-bonding over spot-welding is that

the contact, and hence the

bonding, is effected continuously over a broad surface instead of a series of

regularly spaced points with no

bonding in between.

(A) instead of

(B) as opposed to

(C) in contrast with

(D) rather than at

(E) as against being a

Answer to Question 36

Choice A is best. The phrasing are native to correctly suggests that the toad

species is indigenous to, and still

exists in, South America. In B, native in is unidiomatic; in C and E, natives

of illogically suggests that each toad

now in Florida hails from South America. In D and E, had been inaccurately

implies that the toads are no longer

native, or indigenous, to South America, and introduced to Florida is

unidiomatic. Both as attempts in B and E

and as an attempt in D are wrong because the attempt consists not of the

toads themselves, but of their

introduction into the environment. The correct phrase, in an attempt, should

be completed by an infinitive (here,

to control), as in A.

Answer to Question 37

Choice B is best: in sentences expressing a conditional result (x will happen

ify happens), the verb of the main

clause should be in the future tense and the verb of the if clause should be

in the present indicative. Thus, is

taught (in B) is consistent with will take, whereas would be taught (in A and

E) and was taught (in D) are not.

For clarity, only in C, D, and E should immediately precede the

entire;/clause that it is meant to modify. Also, the

intended meaning is distorted when the adverb separately is used to modify

required, as in A and C, or taught,

as in E; B correctly uses the adjective separate to modify course.

Answer to Question 38

All of the choices but D contain ambiguities. In A and B the words which and

where appear to refer to

sediments, and in E it is not clear what consistent describes. In A, C, and

E, there is no logical place to which

there or its could refer. In D, the best choice, the phrase sediments from

the Baltic Sea tells where the

sediments originate, findings provides a noun for consistent to modify, and

in the area clearly identifies where

the industrial activity is growing.

Answer to Question 39

Choice C is best because the participle protecting begins a phrase that

explains what the shields did. Choices A

and B awkwardly use the singular word method to refer to items of military

equipment rather than to the use

of such items. Also, a method of protecting would be more idiomatic than a

method to protect in A or a

method protecting in B. In B and D, as is incorrect; also, a protection in D

has no noun for which it can

logically substitute. Choice E is incomplete; used to protect would have been

acceptable.

Answer to Question 40

The corrected sentence must contrast an effect of spot-welding with an effect

of adhesive-bonding. To do so

logically and grammatically, it must describe the effects in parallel terms.

When inserted into the sentence, D

produces the parallel construction over a broad surface rather than at a

series. Having no word such as over

or at indicate location, choices A, B, and C fail to complete the parallel

and so illogically draw a contrast between

surface and series. In E, as against being is a wordy and unidiomatic way to

establish the intended contrast.

Choice D is best.