根据SOLAS公约规定,对货船构造安全证书的应进行船体外部检查,检查的间隔不应超过()个月
A.12
B.36
C.30
D.24
参考答案:B
— Hurry up, _____you will miss the school bus.
— I know that, Mum. I’ll be ready in a minute.
A.or
B.and
C.nor
D.but
有以下程序 #include #define SUB(a) (a)-(a) main() { int a=2,b=3,c=5,d; d=SUB(a+b)*c; printf("%d\n",d); } 程序运行后的输出结果是
A.0
B.-12
C.-20
D.10