调度员尽力维护各子系统发电、用电平衡时属()A.正常状态 B.紧急状态 C.恢复状态

题型:单项选择题

问题:

调度员尽力维护各子系统发电、用电平衡时属()

A.正常状态

B.紧急状态

C.恢复状态

D.瓦解状态

考点:动力与电气工程电力系统电力系统题库
题型:单项选择题

In the last six weeks, Jerry           four books.[ ]

A. reads

B. has read

C. read

D. have read

题型:单项选择题

对于接受抗精神病药治疗的精神分裂症患者,以下合并用药方式不恰当的是()

A.存在持续抑郁情绪时,可以合并抗抑郁药

B.存在持续焦虑时,可以合并苯二氮类抗焦虑药

C.存在持续的敌意/攻击行为时,可以合并锂盐

D.对于接受典型抗精神病药治疗的患者,可以合并抗胆碱能药物以预防EPS发生

E.对于难治性精神分裂症患者,可以合并使用两种作用机制不同的抗精神病药

题型:单项选择题

单位工程施工图预算的综合单价,目前仍然是以( )为基础经过一定的组合与计算形成的。

A.施工定额
B.概算定额
C.企业定额
D.预算定额

题型:单项选择题

任何人不得将易燃、易爆()物品带入学生宿舍。

A.易腐蚀

B.有毒

C.放射性

D.易碎

题型:单项选择题

Which of the following statements is not true ?()

A.Attribute sampling is the process of assessing whether results conform to specifications or no

B.Prevention means keeping errors out of the process by applying actions before the process starts changing its inpu

C.Variables sampling means that the result is classified into one of the 3 categories:“acceptable”-“acceptable after rework”“rejected”.

D.Inspection is often mainly done to keep errors out of the hands of the customer instead of as a means of process contro

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