题目内容

透视投影中的灭点最多可以有几个?()
A 无限;
B 1;
C 2;
D 3

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According to Paragraph 4, which one of the following is not characteristic of early-twentieth century urban neighborhoods?

A. Mixing housing of different prices and styles.
B. Offering residents a "gratifying public realm" .
C. Forcing residents to drive, often in heavy traffic.
D. Giving people of diverse backgrounds and lifestyles an opportunity to interact and thus develop mutual respect.

关于画家算法的叙述,错误的是()
A原理比较简单。
B能处理相互穿透的面。
C属于物体空间和图像空间的消隐算法
D画家算法的关键是如何对场景中的物体按深度排序,建立深度优先级表。

在光线跟踪(Ray Tracing)算法中,在哪种情况下应停止跟踪光线? ()
A光线的光强度对于视点的光强贡献很小
B光线跟踪深度小于一定值。
C光线遇到某一物体
D光线未遇到背景

Based on the text, which of the following best defines the word "sprawl"(Line 2, Paragraph 1)?

A. spread out
B. decline
C. renew
D. threaten

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