背景颜色的写法background:#ccc等同于background-color:#ccc()
背景颜色的写法background:#ccc等同于background-color:#ccc()
执行lis1 = [x*3 for x in "ABC"]后,lis1结果是( )。 A: ["AAA", "AAA", "AAA"] B: ["BBB", "BBB", "BBB"] C: ["CCC", "CCC", "CCC"] D: ["AAA", "BBB", "CCC"]
执行lis1 = [x*3 for x in "ABC"]后,lis1结果是( )。 A: ["AAA", "AAA", "AAA"] B: ["BBB", "BBB", "BBB"] C: ["CCC", "CCC", "CCC"] D: ["AAA", "BBB", "CCC"]
ccc
ccc
【单选题】下列jQuery的css()方法使用错误的是( )。 A: css('backgroundColor',' B: ccc') C: css('background-color',' D: ccc') E: css({backgroundColor:' F: ccc'}) G: css({background-color:' H: ccc'})
【单选题】下列jQuery的css()方法使用错误的是( )。 A: css('backgroundColor',' B: ccc') C: css('background-color',' D: ccc') E: css({backgroundColor:' F: ccc'}) G: css({background-color:' H: ccc'})
若有chars[3][3]={"AAA","BBB","CCC"};说明语句,则与它等价的语句是()。 A: char**s={"AAA","BBB","CCC"}; B: char*s[3]={"AAA","BBB","CCC"}; C: chars[][5]={"AAA","BBB","CCC"}; D: chars[][3]={"AAA","BBB","CCC"};
若有chars[3][3]={"AAA","BBB","CCC"};说明语句,则与它等价的语句是()。 A: char**s={"AAA","BBB","CCC"}; B: char*s[3]={"AAA","BBB","CCC"}; C: chars[][5]={"AAA","BBB","CCC"}; D: chars[][3]={"AAA","BBB","CCC"};
ccc刚刚
ccc刚刚
下列选择器,属于类选择器的是() A: #ccc B: .ccc C: div D: diva
下列选择器,属于类选择器的是() A: #ccc B: .ccc C: div D: diva
【多选题】下列样式代码中,用于定义盒子上边框为2像素、单实线、灰色的是 A. border-top:2px solid #CCC; B. border-top:2px dashed #CCC; C. border:2px solid #CCC; D. border-top-style:solid; border-top-width:2px; border-top-color:#CCC;
【多选题】下列样式代码中,用于定义盒子上边框为2像素、单实线、灰色的是 A. border-top:2px solid #CCC; B. border-top:2px dashed #CCC; C. border:2px solid #CCC; D. border-top-style:solid; border-top-width:2px; border-top-color:#CCC;
定义三个函数如下:int aaa() {printf("hi");}int bbb(){printf("hello"); }int ccc(){ printf("bye"); }若通过指针数组引用三个函数,则正确的语句应该是() A: int (*p[3])()={&aaa,&bbb,&ccc}; B: int *p[3]={ aaa,bbb,ccc}; C: int (*p)[3]={aaa,bbb,ccc}; D: int (*p)()={&aaa,&bbb,&ccc};
定义三个函数如下:int aaa() {printf("hi");}int bbb(){printf("hello"); }int ccc(){ printf("bye"); }若通过指针数组引用三个函数,则正确的语句应该是() A: int (*p[3])()={&aaa,&bbb,&ccc}; B: int *p[3]={ aaa,bbb,ccc}; C: int (*p)[3]={aaa,bbb,ccc}; D: int (*p)()={&aaa,&bbb,&ccc};
(网站)background-color:#ccc;background-image:url(bg.png);background-repeat:no-repeat;background-position:-100pxcenter;以上样式的缩写正确的是?() A: background:#ccc,url(bg.png)no-repeat,-100pxcenter; B: background:#cccurl(bg.png)no-repeat-100pxcenter; C: background:#ccc;background-image:url(bg.png)no-repeat-100pxcenter; D: background-color:#ccc;background-image:url(bg.png)no-repeat-100pxcenter;
(网站)background-color:#ccc;background-image:url(bg.png);background-repeat:no-repeat;background-position:-100pxcenter;以上样式的缩写正确的是?() A: background:#ccc,url(bg.png)no-repeat,-100pxcenter; B: background:#cccurl(bg.png)no-repeat-100pxcenter; C: background:#ccc;background-image:url(bg.png)no-repeat-100pxcenter; D: background-color:#ccc;background-image:url(bg.png)no-repeat-100pxcenter;