以下CSS属性中，哪一个用于设置背景图像？ A: background-img; B: background; C: background-image; D: image;

What are the three types of background? A: interpretative background B: contrastive background C: explanative background D: analytical background

要对下列CSS代码进行缩写,符合缩写的规范是的()background-pos...d-image: url(aa.gif)

以下标记中设计网页的背景图形为pic.jpg,正确的是( ) A: <;body image=” pic.jpg”>; B: <;body bground=” pic.Jpg”>; C: <;body background=”pic.jpg”>; D: <;body bgcolor=” pic.jpg”>;

When shooting Profile, the contrast between light and darkness is usually used to shape the image of the person. Among the following four types of lights, _____ is not necessary. A: Catch Light B: Rim Light C: Background Light D: Top Light

Which of the following statements about image texture is correct: refers to which characteristics of the image? ( ) A: Image texture is the relative brightness of objects in the image B: Image texture is the apparent roughness of an image region C: Image texture is the apparent smoothness of an image region D: Image texture is the frequency of tonal change on an image

若要是设计网页的背景图形为bg.jpg，以下标记中，正确的是 A: ＜body background=”bg.jpg”＞ B: ＜body bground=”bg.jpg’’＞ C: ＜body image=”bg.jpg”＞ D: ＜body bgcolor=”bg.jpg”＞

通过（）属性，可以设置表格的背景颜色、背景图像。 A: background B: tr- background C: table- background D: td- background

站级系统中有双POS的加油站，正确的班结顺序是先做（）班结，再做（）班结。 A: 副POS；主POS B: 主POS；副POS C: BOS；POS D: POS；BOS

We can put soft light paper before background light to ______. A: enhance the quality of the background screen B: reduce the amount of wrinkle on background screen C: make background light bright D: make the background light soft