下面为大家整理的是关于SAT语法改进句子练习题，共4道。SAT语法改进句子题目要求考生在语法知识和逻辑思维能力两个方面都有所掌握，所以需要大量的练习。下面大家就和无忧小编一起来看看这些题目的详细内容吧。

　　1.The first public botanical garden in the United States, the Elgin Botanic Garden in New York City was established to provide plant materials for studying by medical students.

　　(A) for studying by medical students

　　(B) for medical students to study

　　(C) to medical students for their study

　　(D) for the study of medical students

　　(E) that medical students will study

　　2.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

　　3.They are smaller than their counterparts in Africa, so Asiatic lions can be found only in Gir, a forest region in northwest India.

　　(A) They are smaller than their counterparts in Africa, so Asiatic lions

　　(B) Its counterparts in Africa are bigger, but the Asiatic lion

　　(C) The Asiatic lion is smaller than their counterparts in Africa, they

　　(D) The counterparts of African lions in Asia are smaller, although they

　　(E) Smaller than their counterparts in Africa, Asiatic lions

　　4.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

　　参考答案及解析：

　　1.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.”

　　2.The correct answer is D

　　Explanation

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

　　3.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.

　　4.The correct answer is C

　　Explanation

　　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.”

　　以上就是这4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，可以加强练习相关题目。