进站内方兼调车信号机,其调车信号机和进站信号机之间有一无岔区段,之所以不设在同一坐标是避免()。
参考答案:占用区间调车
She must be looking forward as much to his return as he himself is to_____ her. [ ]
A. see
B. have seen
C. seeing
D. be seeing
下列程序的运行结果是( )。 #include<stdio.h> main() { int a=0,b=4,c=0,d=10,x;if(a) d=d-10;else if(!b) if(!c)x=15; elsex=25;printf("%d\n",d); }
A.5
B.3
C.20
D.10