在DPP中图像样式设置为（）时，可以创建类似于使用黑白滤色镜的效果。
A、标准
B、肖像
C、风光
D、单色
参考答案：D
1.When the Greeks had _____ the Persians, a soldier ran from Marathon to Athens.
A. won B. bitten C. beaten D. hit
2.There was a large box behind the door and Peter couldn't _____ falling over it in the darkness.
A. help B. resist C. avoid D. prevent
3.Violent programs on television may have a bad _____ on children.
A. affection B. pressure C. influence D. control
水轮机调节按静特性规律分为（）。
A.有功调节和武功调节
B.有差调节和无差调节
C.开环调节和闭环调节
D.永态调节和暂态调节
