房屋建筑工程中,石子最大粒径一般采用()mm。
A.20
B.31.5
C.16
D.40
E.45
参考答案:A, B, D
—Did you enjoy yourself on the beach ?
— .
A.Yes , it was very beautiful
B.I like it very much
C.Well , it depends
D.Oh, I was on top of the world
有以下程序 main() { int a=1,b; for(b=1;b<=10;b++) { if(a>=8)break; if(a%2==1){a+=5;continue;} a-=3; } printf("%d\n",b); } 程序运行后的输出结果是______。
A.3
B.4
C.5
D.6