SAT写作：今日份的练习题(附答案和详解)

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下面我们就一起来看看今日份的SAT写作练习题吧，希望能够帮助到大家。

Writing ; Language

The creation of today's animated films, frequentlyhailed for their lifelike

artistry, relies heavily onmathematics. Animators use algorithms, orsequences of

mathematical steps, to create, forinstance, the rounded shapes making up an

oldman's knobby knuckles or a young girl's bouncy hair. One of the algorithms

now considered an industry standard repeatedly subdivides a polygon bysplitting

and averaging the midpoint of a line. Developed by Pixar Animation Studio's

TonyDeRose, this algorithm eliminated the problem of discernible edges of

polygons by replacingthem with the seamlessly rounded curves of the parabolas

that emerge as a result of thepolygon subdivision process. Innovations such as

DeRose's depend on an understanding ofapplied mathematics in areas such as

geometry, linear algebra, trigonometry, and calculus.

A.NO CHANGE

B.have relied

C.are relying

D.rely

答案：A

解析：

Choice A is the best answer because the singularverb "relies" maintains

agreement with the singularsubject "creation."

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