改进句子参考答案及解析：

　　1.The correct answer is D

　　Explanation

　　Choice (D) is correct. It avoids the error of the original by logically comparing a person, “Heather,” to another person, “Joanne,” instead of to a possessive noun, “Joanne’s fear.”

　　2.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the sentence fragment error of the original by providing a main verb, “was,” to express a complete thought.

　　3.The correct answer is D

　　Explanation

　　Choice (D) is correct. It avoids the error of the original by properly comparing “a dog’s sense of smell” to “a human’s” sense of smell.

　　4.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the faulty logic of the original by removing the unnecessary pronoun “They” and the conjunction “so” so that the size of the two types of lions is the only thing being compared.

　　5.The correct answer is B

　　Explanation

　　Choice (B) is correct. It avoids the error of the original by replacing the awkward and imprecise “for studying by medical students” with “for medical students to study.”

　　6.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the sentence fragment error of the original by replacing the awkward and unnecessary “it was” with the preposition “in” to idiomatically state that Billie Holiday’s fans considered her “the greatest jazz singer of the twentieth century.”

　　7.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the error of the original by using the appropriate pronoun “where” to indicate that the “United States” was where Caruso gave “his first performance at the Metropolitan Opera.”

　　8.The correct answer is C

　　Explanation

　　Choice (C) is correct. It avoids the error of the original by comparing what “Modern discus throwers” do to what “ancient Greeks did” (not to “ancient Greece,” a comparison that would not make logical sense).

　　9.The correct answer is B

　　Explanation

　　Choice (B) is correct. It avoids the comma-splice error of the original by using the pronoun “which” in place of the pronoun “them,” thereby turning what was originally an independent clause (“many of them are … United States”) into a relative clause that modifies “songs.”

　　10.The correct answer is B

　　Explanation

　　Choice (B) is correct. It avoids the sentence fragment error of the original by providing a main verb (“began”) for the subject of the sentence, “Althea Gibson.”

　　以上就是这10道SAT语法改进句子练习题的全部内容，非常详细，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，可以用来做日常的练习，也可以作为元旦假期对备考的一个小小的检测。