【单选题】Which of the following is NOT the main point of Sam's talk?
A.
Sales are down, but only by 5 % more than for the group as a whole.
B.
Our budget for sales has been kept static.
C.
The products are getting old—we need a new generation.
D.
This is a global problem in our market.
【单选题】如果一个复数的实部和虚部相等,则称这个复数为“等部复数”,若复数 ( i 是虚数单位 为“等部复数”,则实数 的值是 ( )
【单选题】存储容量单位中,常用KB表示千字节、MB表示兆字节或者百万字节、GB表示吉字节或者十亿字节,其中1KB等于多少B?
【简答题】已知复数 (i为虚数单位)复数 的虚部为2且 是实数。求: 。
【单选题】计算机中1KB表示的字节数是______。
【单选题】Our representatives are under a lot of pressure to meet their sales __________.
【判断题】微机系统常用的打印机有机械式打印机、喷墨式打印机、激光式打印机三种。(√)115、1KB表示1024字节。