在启动调试之前，应组织有关人员检查（），严格做好运行设备、调试设备和施工中设备的安全隔离作业。
参考答案：试验回路
–Mr Li, I found a watch on the playground.
-You should try to find out ______.
A．whose is the watch
B．who is the owner of the watch
C．whom does the watch belong to
D．who the owner of the watch is
看近物时，睫状肌放松，悬韧带被牵拉。
