【简答题】关于推导式,下面哪种说法是错误的A. squared = {x**2 for x in [1, 1, 2]} 是一个集合推导式 B. mcase = {'a': 10, 'b': 34, 'A': 7, 'Z': 3}
mcase_frequency = { k.lower(): mcase.get(k.lower(), 0) + mcase.get(k.upper(), 0) for k in...
【单选题】【复习200T】 下面程序的输出结果是 ____ ____. #include void main( ) { int x=8,y=-7,z=9; if (x
【单选题】下列选项中,关于网络层协议描述正确的是()
A.
互联网组管理协议-IGMP,负责提供诊断功能,报告由于IP数据包投递失败而导致的错误;
B.
互联网控制协议-ICMP,负责管理IP组播;
C.
逆向地址解析协议-RARP,负责把硬件地址解析成网络层地址;
D.
网际协议-IP,负责网络层寻址、路由选择、分段以及包重组。
【简答题】阅读短文 , 根据文章内容从下列各题的三个选项中选出一个最佳答案。 Paul got on a bus to go to town. It was very crowded, and he had to stand for about five minutes. Then some of the passengers ( 乘客 ) got off. Paul sat down next to a ...
【单选题】【复习200T】 下面程序的输出的是_____ ____. #include void main() {int x=10,y=3; printf("%d\n",y=x/y); }
【简答题】(二) Have you ever heard of a girl of 15, who set up a company of her own? Wendy Wong is the girl. She started the business two years ago. She has already written several successful computer s. The...