[单选题] 在纯电阻正弦交流电路中，R=（）。A．U／i B．U*I C．U／I D．u*I
A.A
B.B
C.C
D.D

[单项选择]视觉控制大大降低，动觉控制占主导是技能形成阶段的
A. 操作定向
B. 操作模仿
C. 操作整合
D. 操作熟练

[单项选择]Tim Richter and his wife, Linda, had taught for over 30 years near Buffalo, New York—he in computers, she in special education. "Teaching means everything to us", Tim would say. In April 1998, he learned he would need a heart operation. It was the kind of news that leads to some serious thinking about life’s purpose.
Not long after the surgery, Tim saw a brochure describing Imagination Library, a program started by Doily Patron’s foundation (基金会) that mailed a book every month to children from birth to age five in the singer’s home town of Sevier, Tennessee. "I thought, maybe Linda and I could do something like this when we retire," Tim recalls. He placed the brochure on his desk, "as a reminder."
Five years later, now retired and with that brochure still on the desk, Tim clicked on imagination library. The program had been opened up to partners who could take advantage of book and postage discounts.
The quality of the books was of great concern to the Richters. Rather t
A. a well-known surgeon
B. a mother of a four-year-old
C. a singer born in Tennessee
D. a computer programmer

[单选题]用孔板流量计测量气氨体积流量,设计压力是 0. 2MPa(表压),温度为 20℃而实 际压力 0.15MPa(表 压),温度为 30℃。则实际指示流量是设计流量的()倍。
A. 0.897
B. 0.928
C. 1.078
D. 1.115

[单选题]常规电网基建项目需编制批次可研报告并经（）批复后，才能安排投资计划。
A.A、省公司、
B.B、省发改委、
C.C、省政府、
D.D、省人大

[单选题]本量利分析中，销售息税前利润率等于（）。
A.安全边际率乘以变动成本率
B.盈亏临界点作业率乘以安全边际率
C.安全边际率乘以边际贡献率
D.边际贡献率乘以变动成本率

[单选题]吹刷煤气放散管,是煤气设备和煤气管道转换时的吹刷装置,作用是使设备和管道内部或者存放煤气或者存放空气而不存在( )气体。
A.两者混合的爆炸性
B.煤气
C.空气
D.氮气

[多项选择]对触电者急救，时间较长，所以必须耐心，千万不要（）。
A. 摇抖身体
B. 掐人中
C. 心脏按摩
D. 泼冷水
E. 人工呼吸

[判断题]36.行政复议期间，行政复议机构认为申请人以外的公民、法人或者其他组织与被审查的具体行政行为有利害关系的，可以通知其作为第三人参加行政复议。（）
A.正确
B.错误

[单选题]安全生产管理通常是指（）。
A.管理者对安全生产工作进行的决策、计划、组织、指挥、协调和控制等一系列活动
B.实现生产过程中人与机器设备、物料、环境的和谐
C.达到安全生产的目标
D.以上三者

[判断题]电力通信工作票由工作许可人审核，电子或手工签名后方可执行。
A.正确
B.错误

[单选题]H型通信插件与主机之间采用( )总线方式进行数据交换。
A.CAN
B.RS485
C.RS422
D.RS232