【单选题】下列各组词语中有三个错别字的一项是:( )
【简答题】Never place any liquid or solid directly on the pan. Either use a piece of weighing paper or weigh an empty weighing bottle then place the desired substance into the bottle and weigh again.
【简答题】以下程序的输出结果是 (注:口表示空格) ( )。 printf(“\n*s1=% 15s*”,”chinabeijing"); printf(“\n*s2=%- 5s*”,”chi");A. *s1=chinabeijing口□□* *s2=**chi* B. *s1=chinabeijing口□□* *s2=chi口口* C. *s1=*□口 chinabeijing* *s2=口口chi *...
【单选题】以下程序:charstr[15]=”hello!”;printf(“%d/n”,strlen(str));的输出结果是()