SAT改进句子练习题4道.

　　下面为大家整理的是关于SAT改进句子练习题的相关信息，一共四道题目，后面附有详细的答案解析。SAT改进句子题目对考生的逻辑思维能力和语法能力要求都比较高，考生需要经过大量的练习才能熟练的掌握。

　　Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.

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　　1.In Costa Rica, coffee, from the highlands, and bananas, produced mainly in the Caribbean lowlands, as the most important crops, they account for nearly half the total value of all exports.

　　Answer Choices

　　(A) as the most important crops, they account

　　(B) as the most important crops, which account

　　(C) are the most important crops, accounting

　　(D) are the most important of their crops by accounting

　　(E) have been the most important crops, which accounts

　　2.Looking up from the base of the mountain, the trail seemed more treacherous than it really was.

　　Answer Choices

　　(A) Looking up

　　(B) While looking up

　　(C) By looking up

　　(D) Viewing

　　(E) Viewed

　　3.With the 1977 publication of Song of Solomon, Toni Morrison both received popular and critical acclaim.

　　Answer Choices

　　(A) both received popular and

　　(B) both received popular and also

　　(C) received popular, along with

　　(D) received popular as well as

　　(E) received both popular and also

　　4.Scenes from the everyday lives of African Americans, which are realistically depicted in the paintings of Henry Ossawa Tanner.

　　Answer Choices

　　(A) Scenes from the everyday lives of African Americans, which are realistically depicted in the paintings of Henry Ossawa Tanner.

　　(B) Scenes from the everyday lives of African Americans being realistically depicted in the paintings of Henry Ossawa Tanner.

　　(C) The paintings of Henry Ossawa Tanner realistically depict scenes from the everyday lives of African Americans.

　　(D) Henry Ossawa Tanner, in his realistic paintings, depicting scenes from the everyday lives of African Americans.

　　(E) Henry Ossawa Tanner, whose paintings realistically depict scenes from the everyday lives of African Americans.

　　Explanation

　　1.The correct answer is C

　　Choice (C) is correct. It avoids the error of the original by providing a main verb (“are”) to agree with the subject of the sentence, “coffee … and bananas.”

　　2.The correct answer is E

　　When a modifying phrase begins a sentence, it must logically modify the sentence&aposs subject; otherwise, it is a dangling modifier. In this example, every option except (E) is a dangling modifier.

　　In (A), the phrase "Looking up from the base of the mountain" does not logically modify the subject "the trail." A person might stand at the base of a mountain and look up at a trail, but it is illogical to suggest that a trail looks up from the base of a mountain.

　　(B), (C), and (D) are simply variations of the error found in (A). Each results in a sentence that illogically suggests that a trail was looking up from the base of a mountain.

　　(E) is correct. Although a trail cannot itself look up from the base of a mountain, a trail can be viewed by someone looking up from the base of a mountain, so the phrase "Viewed from the base of the mountain" logically modifies the subject "the trail."

　　3.The correct answer is D

　　Choice (D) is correct. It avoids the error of the original by replacing the awkward and misused “both … and” construction with the much simpler “as well as.”

　　4.The correct answer is C

　　For a sentence to be grammatically complete, it must include both a subject and a main verb. When a sentence lacks either a subject or a main verb, the result is a sentence fragment. In this example all options but (C) are sentence fragments.

　　In (A), the phrase "Scenes ... Americans " is modified by the dependent clause "which ... Tanner," but there is no main verb.

　　In (B), the phrase "Scenes ... Tanner" contains no main verb.

　　In (D), the noun "Henry Ossawa Tanner" is modified by "depicting" but is not combined with a main verb.

　　And in (E), the noun "Henry Ossawa Tanner" is modified by the dependent clause "whose ... Americans" but not combined with a main verb.

　　(C) is correct. It is the only choice in which a subject ("The paintings of Henry Ossawa Tanner") is combined with a verb ("depict") to express a complete thought.

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