SAT写作：今日份真题解析3

>>SAT考试真题：SAT写作：今日份真题解析3

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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."

Writing & Language

In recent years, several urban US airports haveconverted some of the unused land past theirrunways to provide habitats for honeybees. Whileairports may seem unlikely locations for beekeeping, many of them, in fact, have the potential to offerideal conditions for an apiary (a group of beehives). The Lambert-St. Louis International Airport, for instance, hosts an apiary on a 400-square-footarea of land just north of one of its runways. This area is rich in Dutch clover, a preferred foodsource for honeybees. The honeybees may thrive there in part because they aren’t exposedto the agricultural pesticides suspected of contributing to Colony Collapse Disorder. Thoughunorthodox, airport-based honeybee habitats can help to ensure that local regions havehealthy populations of honeybees.

A.NO CHANGE

B.passed their

C.past there

D.passed there

答案：A

解析：

Choice A is the best answer because it follows theconventions of standard English usage. "Past" isused here as a preposition to indicate the locationof the honeybee habitats. "Their" is used as apossessive determiner to indicate that the runways are those of the airports.

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