In css style, the meaning of background-position:-10px 20px is ( ) A: The background<br/>picture is offset by 10px to the left and 20px to the down B: The background<br/>picture is offset by 10px to the left and 20px to the top C: The background<br/>picture is offset by 10px to the right and 20px to the down D: The background<br/>picture is offset by 10px to the right and 20px to the upper

In css, the background picture needs to be located in the lower left corner of the box and should be written as: ( ) A: background-image:left foot B: background-image:left bottom C: background-position:left foot D: background-position:left bottom

What role does the language NOT play in the story? A: To highlight the educational background of the characters B: To create a realistic picture of how the characters speak C: To draw the reader closer to the story D: To make the narration more vivid

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

Picture A differs _____ picture B in that picture A has three cats.

Which of the following picture is a picture of medieval house?

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

‌This is ________ , and I borrowed it two days ago. ‏ A: a picture of Mr. Cox B: a picture of Mr. Cox's C: a Mr. Cox' picture D: Mr. Cox' picture

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

删除表tb_goods中的字段picture A: alter table tb_goods add picture; B: alter table tb_goods drop picture; C: alter table tb_goods rename picture; D: alter table tb_goods modify picture;