【单选题】a,b,c被定义为int型变量,若从键盘给a,b,c输入数据,正确的输入语句是( )
B.
scanf("%d%d%d",&a,&b,&c);
C.
scanf("%d%d%d",a,b,c);
D.
read("%d%d%d",&a,&b,&c);
【单选题】The ( ) operation allows us to combine a select operation and a Cartesian-Product operation into a single operation.
【单选题】service operation and manufacturing operation are
【单选题】a, b,c 被定义为int型变量,若从键盘给a, b,c输入数据,正确的输入语句是()
B.
read("%d%d%d",&a,&b,&c);
C.
scanf("%d%d%d",a,b,c);
D.
scanf("%d%d%d",&a,&b,&c);
【判断题】触电事故分为电压伤害和电流伤害两种伤害形式。