以下的输出结果是() iint i; for(i=0;i<3;i++) switch(i) { case 0: printf("%d",i); case 1: printf("%d",i); default: printf("%d",i); } A. 112 B. 012 C. 012020 D. 120
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举一反三
【单选题】What is a benefit of text messaging?
A.
Text messaging delivers messages between private mobile phone users quietly and discreetly.
B.
Text messaging is a convenient alternative to the telephone.
C.
Text messaging allows organizations to provide immediate alerts.
D.
All of these choices are benefits of text messaging.