压力研究之父塞利（Hans Salye）认为心理压力是神经紧张那么简单造成的。
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YJ925直流源装配中，对分流器组合的检查内容包括检查分流器（）有无残缺。
A. 黑色苯基钱薇漆
B. 黑色氨基纤维漆
C. 黑色硫基纤维漆
D. 黑色硝基纤维漆
中间包停浇时，拉速可以调至3米/分钟以上，迅速拉走尾坯，节约生产时间。
A. 正确
B. 错误
内部培训与开发根据受训地点可分为（）
A. 在岗培训与开发
B. 职前培训与开发
C. 职外培训与开发
D. 岗外培训与开发
E. 外部培训与开发
Which statement is correct regarding the operation of DHCP?（）
A DHCP client uses a ping to detect address conflicts.
B. A DHCP server uses a gratuitous ARP to detect DHCP clients.
C. A DHCP client uses a gratuitous ARP to detect a DHCP server.
D. If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.
E. If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator.
F. If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.
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