【单选题】What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a) A. [13, 56, 17, [87], 45, 67] B. [13, 56, 17, 87, 45, 67] C. [13, 56, 17, 87,[ 45, 67]] D. [13, 56, 17, [87], [45, 67]]
【单选题】What will be the output of the following Python code? a=[13,56,17] a.append([87]) a.extend([45,67]) print(a) A. [13, 56, 17, [87], 45, 67] B. [13, 56, 17, 87, 45, 67] C. [13, 56, 17, 87,[ 45, 67]] D. [13, 56, 17, [87], [45, 67]]
函数Intstr("67","1234567")返回的值是 A: “67” B: “1234567” C: 5 D: 6
函数Intstr("67","1234567")返回的值是 A: “67” B: “1234567” C: 5 D: 6
3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
3×5, 5×7, 7×11, 11×13, 13×17, ( ) A: 17×23 B: 17×19 C: 17×21 D: 17×25
表达式(-17)%5的值表达式(-17)%(-5)的值
表达式(-17)%5的值表达式(-17)%(-5)的值
-17 // 5 == -3
-17 // 5 == -3
128,243,64,( ),1/6 A: 5 B: 16 C: 67 D: 10
128,243,64,( ),1/6 A: 5 B: 16 C: 67 D: 10
表达式17/5+17.0/5-17%5=【 】
表达式17/5+17.0/5-17%5=【 】
对以下数据序列利用快速排序进行排序,速度最快的是( )。 A: {21, 25 , 5 , 17 , 9 , 23 , 30} B: {21, 9 , 17 , 30 , 25 , 23 , 5} C: {5 , 9 , 17 , 21 , 23 , 25 , 30} D: {25 , 23 , 30 , 17 , 21 , 5 , 9}
对以下数据序列利用快速排序进行排序,速度最快的是( )。 A: {21, 25 , 5 , 17 , 9 , 23 , 30} B: {21, 9 , 17 , 30 , 25 , 23 , 5} C: {5 , 9 , 17 , 21 , 23 , 25 , 30} D: {25 , 23 , 30 , 17 , 21 , 5 , 9}
一标准齿轮m=5,Z=20,则d=( ),da=( ),df=( )
一标准齿轮m=5,Z=20,则d=( ),da=( ),df=( )
All children in the UK must, by law, receive a full-time education from the age of _____ to _____. A: 5, 16 B: 6, 17 C: 5, 17 D: 6, 18
All children in the UK must, by law, receive a full-time education from the age of _____ to _____. A: 5, 16 B: 6, 17 C: 5, 17 D: 6, 18