參考答案及解析：

　　1.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the error of the original by removing the vague pronoun “it” so that the percentage of orange juice produced by Florida is directly compared with the percentage produced by Brazil.

　　2.The correct answer is D

　　Explanation

　　Choice (D) is correct. It avoids the error of the original by using a singular verb, “includes,” to agree with the singular noun, “variety,” and by eliminating the unnecessary pronoun “it.”

　　3.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the error of the original by placing the appropriate subject (“Barbara Jordan”) immediately after the modifying phrase (“After serving two terms in the Texas State Senate”).

　　4.The correct answer is C

　　Explanation

　　Choice (C) is correct. It avoids the error of the original by replacing “them” with “whom” and by using an appropriate verb form, the singular “was,” to agree with the singular “neither.”

　　5.The correct answer is E

　　Explanation

　　Choice (E) is correct. It avoids the subject-verb agreement error of the original by replacing the singular verb “was” with the plural verb “were” to agree with the plural subject “All.” It also provides the present participle “including” to avoid any potential ambiguity associated with the relative pronoun “which.”

　　6.The correct answer is D

　　Explanation

　　Choice (D) is correct. It avoids the comma splice error of the original by providing the appropriate modifying phrase “which feeds on the leaves of the mulberry tree.”

　　7.The correct answer is B

　　Explanation

　　Choice (B) is correct. It avoids the subject-verb agreement error of the original by using the singular verb “sharpens” to agree with the singular subject “Listening.”

　　8.The correct answer is D

　　Explanation

　　Choice (D) is correct. It avoids the awkwardness and wordiness of the original by using the idiomatic phrase “dominated by information rather than industry” to characterize the “new era” discussed in the sentence.

　　9.The correct answer is C

　　Explanation

　　Choice (C) is correct. It avoids the modification error of the original by placing the subject of the sentence, “American artist Willem de Kooning” directly after the modifying phrase “Combining both figurative and abstract elements in his paintings.”

　　10.The correct answer is D

　　Explanation

　　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 … after they hatched.”