警冲标是（）标志。
A.线路
B.信号
C.列车
D.停车
参考答案：B
---Have you finished the report?
--Sorry. It was so noisy in the office that I couldn’t________ down to write anything.
A．settle
B．put
C．sit
D．lie
请选出正确的程序段 A）int *p; scanf("%d",p); … B）int *s,k; *s=100; … C）int *s,k; char *p,c; s=＆k; p=&c; *p=’a’; … D）int *s,k; char *p,e; s=&k; p=&c; s=p; *s=1; …
