【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]
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
【单选题】如图示代码,下面哪个是正确的输出结果 A. 0 1 2 3 4 5 B. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 C. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 D. 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
利用行列式的性质计算下列行列式的值1 2 0 0 02 5 0 0 0 9 8 1 2 37 6 4 5 65 4 7 8 9
利用行列式的性质计算下列行列式的值1 2 0 0 02 5 0 0 0 9 8 1 2 37 6 4 5 65 4 7 8 9
4s轨道上的1个电子的四个量子数为 A: 4, 0, 0, +1/2 B: 4, 1, 0, + 1/2 C: 3, 0, 0, + 1/2 D: 4, 2, 0,+ 1/2
4s轨道上的1个电子的四个量子数为 A: 4, 0, 0, +1/2 B: 4, 1, 0, + 1/2 C: 3, 0, 0, + 1/2 D: 4, 2, 0,+ 1/2
>>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
>>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
list(range(-1,10,2)) A: [0, 2, 4, 6, 8, 10] B: [-1, 1, 3, 5, 7, 9] C: [0, 2, 4, 6, 8]
list(range(-1,10,2)) A: [0, 2, 4, 6, 8, 10] B: [-1, 1, 3, 5, 7, 9] C: [0, 2, 4, 6, 8]
下面变量中哪一个可以表示2*3的二维列表? A: A = [[1, 2, 0],[3, -1, 4]] B: A = [[1, 2],[3, 4], [0, 8]] C: A = [[1, 2, 0] [3, -1, 4]] D: A = {[1, 2, 0],[3, -1, 4]}
下面变量中哪一个可以表示2*3的二维列表? A: A = [[1, 2, 0],[3, -1, 4]] B: A = [[1, 2],[3, 4], [0, 8]] C: A = [[1, 2, 0] [3, -1, 4]] D: A = {[1, 2, 0],[3, -1, 4]}
Which of the following expressions is False? A: (3 is 4) == 0 B: 'abc' <; 'ABC' C: 9 <; 1 and 10 <; 9 or 2 >; 1 D: 8 >; 4 >; 2
Which of the following expressions is False? A: (3 is 4) == 0 B: 'abc' <; 'ABC' C: 9 <; 1 and 10 <; 9 or 2 >; 1 D: 8 >; 4 >; 2
基态某原子中能量最高的电子是( ) A: 3, 2, +1, +1/2 B: 4, 3, 0, +1/2 C: 4, 4, 0, +1/2 D: 2, 2, 0, -1/2
基态某原子中能量最高的电子是( ) A: 3, 2, +1, +1/2 B: 4, 3, 0, +1/2 C: 4, 4, 0, +1/2 D: 2, 2, 0, -1/2
数字信号常采用下列____格式。 A: 4:1:0; B: 4:2:2; C: 4:4:4; D: 4:0:0;
数字信号常采用下列____格式。 A: 4:1:0; B: 4:2:2; C: 4:4:4; D: 4:0:0;