首长和机关应当起表率作用，并对部属执行条令的情况进行检查、监督。
参考答案：对
如图所示的各物体中，所受的两个力彼此平衡的是（ ）
A．
B．
C．
D．
I was still sleeping when the fire ____, and then it spread quickly. [ ]
A. broke out
B. put out
C. came out
D. got out
