下面为大家推荐的是4道SAT改错题练习，非常详细和非常实用。SAT改错题是语法部分中比较简答的，对考生的要求也不是很难。大家经过一段时间练习，相信会有很大的收获的。

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　　1.A(It weaves) across a strip of tropical land B(where) the Isthmus of Panama C(narrows) in the shape of a long flattened letter S, the Panama Canal D(links the Atlantic and) Pacific Oceans. E(No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　2.Farmers a(who grow) major crops such as corn, rice and wheat, b(aware) that new developments in agricultural production can result in millions of dollars in additional revenue, c(switching to) newer, d more ficient technologies. e(No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　3.A(The origin) of amusement parks lie in ancient and medieval religious festivals and trade fairs, B(where) merchants, entertainers, and food sellers C(gathered) D(in order to) take advantage of the large crowds. E(No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　4.a (Whereas) the caterpillars of most butterflies b (are harmless), moth caterpillars cause c (an enormous amount of) damage d (on) plants, forest and shade trees, clothing, and household goods. e (No error)

　　Answer Choices

　　(A) A

　　(B) B

　　(C) C

　　(D) D

　　(E) E

　　Explanation

　　1.The correct answer is A

　　The error in this sentence occurs at (A), where a comma splice is created. To fix the comma splice, “It weaves” should be changed to “Weaving.”

　　2.The correct answer is C

　　The error in this sentence occurs at C. The participle “switching” cannot function as the main verb of the sentence and should be replaced by the present tense verb phrase “are switching.”

　　3.The correct answer is A

　　The error in this sentence occurs at (A), where there is subject-verb disagreement. To agree with the plural verb “lie,” the singular “origin” must be changed to the plural “origins.”

　　4.The correct answer is D

　　The error in this sentence occurs at (D), where there is an improper idiom. Caterpillars (or anything else) can cause damage to something, but they cannot cause damage on something.

　　Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.

　　以上就是这4道SAT改错题练习的全部内容，后面附有详细的答案解析。大家在备考自己的SAT语法考试的时候，多做一些改错题的练习对另外两种题型的解答也是有好处的，会更好的夯实基础，提高解题的效率。

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