下面为大家整理的是四道SAT语法改错题的详细内容，后面附有相关的答案解析。SAT语法改错题的备考需要大家进行大量的练习来熟悉题型和解答方法。下面我们一起来看看这些题目的详细内容吧。

　　Writing > Identifying Sentence Errors

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　　The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.

　　1、Unbelievable a (as it may seem), many individuals b (that fought) in the American Revolution c (were still alive) in 1839, d (the year) the world was introduced to photography. e (No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　2、The students a (have discovered) that b (they) can address issues more fectively c (through) letter-writing campaigns d (and not) through public demonstrations. e (No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　3、Besides a (conserving) forest resources, recycling produces fewer pollutants b (than does) the conventional pulping and bleaching processes c (that) are normally used d (to create) paper. e (No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　4、Used a (in place of) buttons, hooks and eyes, b (or) laces, the zipper c (consists of) two rows of plastic or metal teeth d (and bound) to the edges of two strips of fabric. e (No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

Answers：

　　1、The correct answer is B

　　Explanation：The error in this sentence occurs at B. The relative pronoun “that” may not be used to rer to people (“individuals”) and should be replaced with the relative pronoun “who.”

　　2、The correct answer is D

　　Explanation

　　The error in this sentence occurs at (D). When a comparison is introduced by the adverb "more," as in "more fectively," the second part of the comparison must be introduced by the conjunction "than" rather than "and not."

　　The other options contain no errors. In (A), the plural verb "have discovered" agrees with the plural subject "students." In (B), the plural pronoun "they" correctly rers to the plural noun "students." In (C), the preposition "through" appropriately expresses the means by which issues are addressed.

　　The sentence may be corrected as follows: The students have discovered that they can address issues more fectively through letter-writing campaigns than through public demonstrations.

　　3、The correct answer is B

　　Explanation：The error in this sentence occurs at (B), where there is subject-verb disagreement. The singular verb “does” does not agree with the plural noun “processes.” The plural verb “do” is needed instead.

　　4、The correct answer is D

　　Explanation：The error in this sentence occurs at (D), where there is awkward and wordy phrasing. The conjunction “and” should be either deleted or replaced by “that are.”

　　以上就是关于SAT语法改错题的全部内容，后面的答案解析非常详细实用。如果大家在备考的时候，想要更多的了解某个知识点，可以适当的查找相关的资料借以加深印象。

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