【判断题】
在Python中定义类时，运算符重载是通过重写特殊方法实现的。例如，在类中实现了mul()方法即可支持该类对象的**运算符。
A. 对
B. 错
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A
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使用OpenGL画图时，画点是最基本的操作，具体生成的图形由glBegin()函数指定的mode来决定。例如，mode值为GL_TRIANGLES时表示将要绘制三角形。
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【单选题】
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