选择电机保险丝太大不起保险的作用容易烧毁()。
A、配电柜
B、设备
C、电机
D、闸刀
参考答案:C
Alan sold most of his belongings.He has hardly left in the house
A.everything B.anything C.nothing D something
有以下程序: void main() int i; for(i=0;i<3;i++) switch(i) case 1: printf("%d",i); case 2:printf("%d",i); default: printf("%d",i+1); 执行后输出的结果是( )。
A.111223 B.123C.011023 D.122