通常，我们的运动模糊效果，可以利用哪个缓冲区实现（）
A.颜色缓冲区
B.深度缓冲区
C.模板缓冲区
D.积累缓冲区
参考答案：D
91.You will find as you read fiats book that you just can’t keep some of these stones to ______. You will want to share them with a friend.
A．itself
B．yourself
C．himself
D．themselves
单项选择。
you are ill, you'd better have a rest. [ ]
A. As
B. Because
C. But
D. For
