【单选题】What did the author feel surprised when he began to play eSports?
A.
high speed with which people can control their hands while at the same time keeping such a high level of critical thinking
B.
run faster than a train while driving a minivan
C.
solve a math equation while driving a minivan
D.
evaluate certain situations and keep cool under pressure
【判断题】矩阵的秩等于它的列向量组的秩,也等于它的行向量组的秩。
【判断题】矩阵的行向量组的秩不等于它的列向量组的秩。
【简答题】sbit是单片机C语言中的一种扩充数据类型,如要访问P1口中的第3个引脚P1.2,可以如下定义 。A. sbit LED=P1^2
【判断题】矩阵的秩等于它的行向量组的秩也等于它的列向量组的秩。