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SAT改进句子题目是对考生的语法掌握情况和逻辑思维能力的综合考察，下面我们为大家整理了几道语法改进句子练习题，后面附有答案解析，大家可以参考下：

1. Unlike an acoustic guitar, whose hollow body acts as a sound box to project sound, there is almost no sound when a solid-body electric guitar is not amplified.

　　(A) there is almost no sound when a solid-body electric guitar is not amplified

　　(B) there is not an amplification system, so a solid-body electric guitar makes almost no sound

　　(C) an amplification system is needed for solid-body electric guitars, if they are to make much sound

　　(D) the electric guitar’s solid body makes it have almost no sound without the aid of an amplification system

　　(E) the solid-body electric guitar is almost soundless without the aid of an amplification system

2. Chilean novelist and short-story writer María Luisa Bombal wrote innovative and influential stories featuring heroines which create fantasy worlds in order to escape from unfulfilling love relationships and restricted social roles.

　　A. heroines which create

　　B. heroines, they create

　　C. heroines, they created

　　D. heroines who create

　　E. heroines that were creating

3. While video games are extraordinarily popular with the younger generation, many parents view it as a waste of time and hoping that their children will grow tired of playing them.

　　B. it as a waste of time, hoping that

　　C. them as a waste of time and hope that

　　D. them as a waste of time, they hope that

　　E. them as a waste of time, hopefully

4. The gong, believed to have originated in Western Asia, reached China in the sixth century, where it continues to be used for a wide range of purposes,including as a military signal, a rhythmic accompaniment for vocal performance, and a ritual instrument.

　　(A) including as

　　(B) which include

　　(C) which includes

　　(D) including

　　(E) they include as

5. The well-preserved, 121-million-year-old fossilized bird embryo on display at the museum has several features that suggest that its young could move about and feed themselves very soon after they hatched.

　　A. its

　　B. her

　　C. their

　　D. the species’

　　E. for this species

EXPLANATION:

1.The correct answer is E

Choice (E) is correct. It avoids the error of the original by directly comparing one type of guitar (“an acoustic guitar”) to another (“the solid-body electric guitar”).

2.The correct answer is E

Choice (D) is correct. It avoids the pronoun error of the original by using an appropriate relative pronoun (“who”) to refer to people (“heroines”).

3.The correct answer is E

The singular pronoun "it" does not agree with the plural noun "video games" in the original sentence. This version of the sentence correctly replaces "it" with the plural pronoun "them." In addition, in the original, the present indicative tense "view" and the present participle "hoping" are incorrectly used together in the main clause. In this version of the sentence, both verbs in the main clause ("view" and "hope") are in the present indicative tense and are thus parallel in construction.

4.The correct answer is A

Choice (A) is correct. It avoids the errors of the other options by correctly using the preposition “as” to introduce the “wide range of purposes” for which the gong is used.

5.The correct answer is D

Choice (D) is correct. It avoids the pronoun reference error of the original by using the “species’” to indicate the kind of birds (birds of the same species) whose “young could move about … hatched.”

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