118、 表达式 sorted([13, 1, 237, 89, 100], key=lambda x: len(str(x))) 的值为___________________________________。
118、 表达式 sorted([13, 1, 237, 89, 100], key=lambda x: len(str(x))) 的值为___________________________________。
<4>设x=62,表达式x>=60&&x<70||x==1的值为.
<4>设x=62,表达式x>=60&&x<70||x==1的值为.
函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
随机变量X和Y独立,且E(X)=5,E(Y)=12,则E(2XY-3)=( ).(10.0) A: 117 B: 237 C: 240 D: 120
随机变量X和Y独立,且E(X)=5,E(Y)=12,则E(2XY-3)=( ).(10.0) A: 117 B: 237 C: 240 D: 120
设有程序段如下:int x=237,k;k=!(-x);则执行该程序段后变量k的值是( )。 A: 1 B: 0 C: true D: false
设有程序段如下:int x=237,k;k=!(-x);则执行该程序段后变量k的值是( )。 A: 1 B: 0 C: true D: false
【单选题】下面的代码: var person = {fname:"Bill", lname:"Gates", age:62}; var text = ""; for (var x in person) { text += person[x]; } 循环结束后,text的值为:() A. BillGates62 B. Bill C. Gates D. 62
【单选题】下面的代码: var person = {fname:"Bill", lname:"Gates", age:62}; var text = ""; for (var x in person) { text += person[x]; } 循环结束后,text的值为:() A. BillGates62 B. Bill C. Gates D. 62
It was built in 1420, covering an area of 237 hectares.
It was built in 1420, covering an area of 237 hectares.
以下代码片段执行后,text的值为:( )var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];} A: BillGates62 B: fname:"Bill", lname:"Gates", age:62 C: BillGates D: 62
以下代码片段执行后,text的值为:( )var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];} A: BillGates62 B: fname:"Bill", lname:"Gates", age:62 C: BillGates D: 62
3,23,61,117,()。 A: 133 B: 191 C: 211 D: 237
3,23,61,117,()。 A: 133 B: 191 C: 211 D: 237
以下代码片段执行后,text的值为:( )var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];} A: BillGates62 B: fname:"Bill", lname:"Gates", age:62 C: BillGates D: 62
以下代码片段执行后,text的值为:( )var person = {fname:"Bill", lname:"Gates", age:62};var text = "";for (var x in person) { text += person[x];} A: BillGates62 B: fname:"Bill", lname:"Gates", age:62 C: BillGates D: 62