下面为大家推荐的是5道SAT改进题的练习，非常详细和非常实用。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。

1.(For both his shorter and longer) works of fiction, Gabriel García Márquez achieves the rare feat of being accessible to the common reader while satisfying the most demanding of sophisticated critics.

Answer Choices

(A) For both his shorter and longer

(B) For both his shorter, and in his longer,

(C) In both his shorter and his longer

(D) Both in his shorter and his longer

(E) Both his shorter and longer

2.The first 10,000 United States patents, known (to be )the X-patents, were burned in a fire in 1836.

Answer Choices

(A) to be

(B) to have been

(C) as

(D) as they were

(E) as being

3.When light from a distant source, (such as the sun, it strikes )a collection of water drops, such as rain, spray, or fog, a rainbow may appear.

Answer Choices

(A) such as the sun, it strikes

(B) like the sun’s, striking

(C) such as the sun, and striking

(D) such as the sun, strikes

(E) like the sun’s, strikes

4.One of the most common types of mistakes that inexperienced physicians make is misreading (symptoms, another that occurs)about as frequently is recommending inappropriate treatment.

Answer Choices

(A) symptoms, another that occurs

(B) symptoms; another one that occurs

(C) symptoms, the other, and it occurs

(D) symptoms; another one which is occurring

(E) symptoms and also occurring

5.Although biologists have made tremendous progress in mapping the human genome, the genetic roots of most common diseases( remained)largely elusive.

Answer Choices

(A) remained

(B) had remained

(C) remain

(D) are remaining

(E) remains

Explanation

1.The correct answer is C

Choice (C) is correct. It avoids the error of the original by following both parts of the “both … and” construction with the pronoun “his” (“In both his … and his … ”)

2.The correct answer is C

Choice (C) is correct. It avoids the error of the original by using the idiomatic “known as” instead of the awkward and unidiomatic “known to be.”

3.The correct answer is D

Choice (D) is correct. It avoids the error of the original by removing the unnecessary pronoun “it.”

4.The correct answer is B

This sentence illustrates a comma splice, the incorrect use of a comma to connect two complete sentences. Choice (B) correctly uses a semicolon to coordinate two independent clauses and form a compound sentence (while at the same time keeping verb tenses parallel). The correct sentence reads: One of the most common types of mistakes that inexperienced physicians make is misreading symptoms; another one that occurs about as frequently is recommending inappropriate treatment.

5.The correct answer is C

Choice (C) is correct. It avoids the verb tense error of the original. The past tense verb “remained” is not consistent with the present perfect tense verb “have made” and should be changed to the present tense verb “remain.”

以上就是这5道SAT改进题练习的全部内容，后面附有详细的答案解析。SAT改进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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