以下程序段实现的输出是()。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
以下程序段实现的输出是()。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
下列各组量子数中正确的是 A: n = 3,l = 1,m = -1 B: n = 2,l = 2,m = 0 C: n = 2,l = 0,m = -1 D: n = 2,l = 3,m = 0 E: n = 1,l = 2,m = 1 F: n = 4,l = 0,m =1
下列各组量子数中正确的是 A: n = 3,l = 1,m = -1 B: n = 2,l = 2,m = 0 C: n = 2,l = 0,m = -1 D: n = 2,l = 3,m = 0 E: n = 1,l = 2,m = 1 F: n = 4,l = 0,m =1
在下列六组量子数中,正确的是① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0 ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 A: (1),(2),(4) B: (2),(4),(6) C: (1),(2),(3) D: (1),(3),(5)
在下列六组量子数中,正确的是① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0 ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 A: (1),(2),(4) B: (2),(4),(6) C: (1),(2),(3) D: (1),(3),(5)
有六组量子数: (1) n=3,l=1,m=-1;(2) n=3,l=0,m=0;(3) n=2,l=2,m=-1;(4) n=2,l=1,m=0;(5) n=2,l=0,m=-1;(6) n=2,l=3,m=2 其中正确的是( )。 A: (1)(3)(5) B: (2)(4)(6) C: (1)(2)(4) D: (1)(2)(3)
有六组量子数: (1) n=3,l=1,m=-1;(2) n=3,l=0,m=0;(3) n=2,l=2,m=-1;(4) n=2,l=1,m=0;(5) n=2,l=0,m=-1;(6) n=2,l=3,m=2 其中正确的是( )。 A: (1)(3)(5) B: (2)(4)(6) C: (1)(2)(4) D: (1)(2)(3)
写出下列各种情况的合理量子数。 (1)n = ,l = 2, m = 0, ms = +1/2 (2)n = 3,l = ,m = 1,ms = -1/2 (3)n = 4,l = 3,m = 0,ms = (4)n = 2,l = 0,m = ,ms = +1/2 (5)n = 1,l = ,m = 0 ,ms =
写出下列各种情况的合理量子数。 (1)n = ,l = 2, m = 0, ms = +1/2 (2)n = 3,l = ,m = 1,ms = -1/2 (3)n = 4,l = 3,m = 0,ms = (4)n = 2,l = 0,m = ,ms = +1/2 (5)n = 1,l = ,m = 0 ,ms =
原子序数为 19 的元素的价电子的四个量子数为( ) A: n=4,l=2,m=0,ms=+1/2 B: n=4,l=3,m=0,ms=+1/2 C: n=4,l=1,m=0,ms=+1/2 D: n=4,l=0,m=0,ms=+1/2
原子序数为 19 的元素的价电子的四个量子数为( ) A: n=4,l=2,m=0,ms=+1/2 B: n=4,l=3,m=0,ms=+1/2 C: n=4,l=1,m=0,ms=+1/2 D: n=4,l=0,m=0,ms=+1/2
for (int i = 1; i <= 10; i++){ if (i % 5 != 0) continue; Console.WriteLine("{0}", i); }该段程序执行后输出_____。 A: 5 10 B: 1 2 3 4 6 7 8 9 C: 5 D: 1 2 3 4 5 6 7 8 9 10
for (int i = 1; i <= 10; i++){ if (i % 5 != 0) continue; Console.WriteLine("{0}", i); }该段程序执行后输出_____。 A: 5 10 B: 1 2 3 4 6 7 8 9 C: 5 D: 1 2 3 4 5 6 7 8 9 10
下列量子数组合中,原子轨道符号为2p的是 A: n=2,l=1,m=1 B: n=3,l=0,m=0 C: n=4,l=2,m=0 D: n=5,l=1,m=1 E: n=2,l=1,m=0
下列量子数组合中,原子轨道符号为2p的是 A: n=2,l=1,m=1 B: n=3,l=0,m=0 C: n=4,l=2,m=0 D: n=5,l=1,m=1 E: n=2,l=1,m=0
表述y(4dz2)的n、l、m是( )。 A: n=4,l=0,m=0; B: n=4,l=2,m=0; C: n=4,l=1,m=0; D: n=3,l=2,m=0。
表述y(4dz2)的n、l、m是( )。 A: n=4,l=0,m=0; B: n=4,l=2,m=0; C: n=4,l=1,m=0; D: n=3,l=2,m=0。