计算机网络分为局域网、城域网和广域网,下列属于局域网的是______。 A.
ChinaDDN网 B.
Novell网 C.
Chinanet网 D.
Internet

单项选择题public class ExceptionDemo { public static void main(String[] args) { try{ int a=2 0; System.out.println( 1 ); }catch(ArithmeticException e){ System.out.println( 2 ); }finally{ System.out.println( 3 ); } System.out.println( 4 ); } } A、2 3 4 B、4 C、3 4 D、发生异常，程序非正常中止

单项选择题Seeing him rush into the room with tears in his eyes, I asked him what __________ ?A. would happenB. had happenedC. happened D. was happened