In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
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
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
图示等截面杆件,B端为定向支座,A端发生单位角位移,其传递系数为( ) A: CAB=1 B: CAB =0 C: CAB =1/2 D: CAB =-1
图示等截面杆件,B端为定向支座,A端发生单位角位移,其传递系数为( ) A: CAB=1 B: CAB =0 C: CAB =1/2 D: CAB =-1
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