吸收塔侧线循环泵备用时应检查电气开关是否在()位置。
A、自动
B、关闭
C、打开
D、关闭锁定位置
参考答案:A
—Could you please pass me today's newspaper?
—_________
A.Yes, please.
B.You're welcome.
C.Not at all.
D.Here you are.
程序中头文件typel.h的内容是 #define N 5 #define M1 N*3 #define "typel .h" #define M2 N*2 main ( ) { int i; i=M1+M2; printf ("%d\n", i ); } 程序编译后运行的输出结果是
A.10
B.20
C.25
D.30