A: 0
B: 200
C: 300
D: 500
举一反三
- 内核命令行参数的形式不可以是() A: A单个单词 B: Bkey=value1,value2,„复合形式 C: C字符串 D: Dkey=value
- 查看下面信息: key1 : value key2 : #Comment -value1 -value2 key3 : subkey : subvalue 上述实例是哪种信息标记方式? A: HTML B: JSON C: CSV D: YAML
- 下面哪个是CSS的基本语法? A: selector {property1:value1;property2:value2;property3:value3;...} B: selector {property1,value1;property2,value2;property3,value3;...} C: selector {property1:value1,property2:value2,property3:value3,...} D: selector {property1,value1,property2,value2,property3,value3,...}
- 【单选题】HTML 代码: Value 1 Value 2 jQuery 代码: $("td:parent") 结果:() A. A、[ Value 1 ] B. B、[ , ] C. C、[ Value 2 ] D. D、[ Value 1 , Value 1 ]
- 0 is the estimated mean value of Y when the value of X is (). A: 0 B: 1 C: -1
内容
- 0
下面类的索引定义或使用正确的是()。 A: class MyClass{ int x; int y; public int this[int index] { get{ if (index==0) return x; else return y; }}} B: class MyClass{ int x; int y; public int this[int index] { set{ if (index==0) x=value; else y=value; }}} C: class MyClass{ int x; int y; public int INDEX[int index] { get{ if (index==0) return x; else return y; } set{ if (index==0) x=value; else y=value; }}} D: class MyClass{ int x; int y; public int this[int index] { get{ if (index==0) return x; else return y; } set{ if (index==0) x=value; else y=value; }}}
- 1
HTML代码:[br][/br] Header 1 Value 1[ t的] Value 2 jQuery代码: $("tr:eq(1)").html() 结果: A: Value 1 B: Value 1 C: Value 2 D: Header 12
- 2
int index = 1; int foo = new int ; int bar = foo [index]; int baz = bar + index; What is the result?() A: Baz has the value of 0 B: Baz has the value of 1 C: Baz has the value of 2 D: An exception is thrown. E: The code will not compile.
- 3
Defined: int x=3, y=4, z=5; The value of the expression!(x+y) +z-1 && y+z/2 is(). A: 6 B: 0 C: 2 D: 1
- 4
已知列表x = [1, 3, 2],那么表达式[value for index, value in enumerate() if index==2]的值为______()_______。 A: [1] B: [3] C: 3 D: [2]