【单选题】第二节 听下面5段对话或独白。每段对话或独白后有几道小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有5秒钟的时间阅读各个小题;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听力原文:M: Hey, Mary, left go to a movie. You've been working on these bills for ho...
【简答题】以下程序段中,能够正确地执行循环的是().A. for(i=1;i>10;i++) B. static int a;
while(a) C. int s=6;
do s-=2;
while(s); D. int s=6;
m:if(s<100) exit(0); else s-=2; goto m:
【单选题】第二节 听下面5段对话或独白。每段对话或独白后有几道小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有5秒钟的时间阅读各个小题;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听力原文:M: Hey, Mary, let's go to a movie. You've been working on these bills for h...
【单选题】●A local area network(LAN)is the communication of a number of computers by (66) connecting to each one in a single location,usually a single floor of a building or all the computers in a small company...
【单选题】A local area network(LAN)is the communication of a number of computers by(68)connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.
【单选题】A local area network(LAN)is the communication of a number of computers by(66)connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.
【单选题】A local-area network(LAN)is a communications network that(125)a variety of devices and provides a(126)for information exchange among those devices. The scope of the LAN is small typically a single bui...