如图所示电路中,电源电压不变,闭合开关后,电压表V1的示数为9伏,电压表V2的示

题型:填空题

问题:

如图所示电路中,电源电压不变,闭合开关后,电压表V1的示数为9伏,电压表V2的示数为3.8伏,则灯L1两端的电压为 _________ V,则灯L2两端的电压为_________V,则电源的电压为_________V.

考点:串联电路的电压规律
题型:填空题

在对营业收入进行细节测试时,A注册会计师对顺序编号的销售发票进行了检查。针对所检查的销售发票,A注册会计师记录的识别特征通常是()。

A.销售发票的开具人

B.销售发票的编号

C.销售发票的金额

D.销售发票的付款人

题型:填空题

对军机处的理解,不正确的是()

A.军机大臣级别不高

B.提高了行政效率

C.军机大臣完全听命于皇帝

D.军机大臣只参与处理军务

题型:填空题

词汇运用。

1.Beauty is ________(抽象的) but a tree is not.

2.He read through the book and ________(作了摘录) its contents.

3.She has lost ________(信任) her husband.

4.He was caught in an accident,________(因此) he was late for the meeting.

5.My ________(目标是提高) my spoken English.

6.He found this painting ________(没有大价值) in helping you understand the history

of art.

7.I have had the furniture ________(估价) and it ________(估价为) ¥2,600.

8.All eyes ________(注视) Liu Xiang in the stadium.

9.He ________(说服我买) that dictionary.

10.The newly discovered Greek sculpture is now ________(在展出).

11.China is one of the ________(文明国家).

12.He found a ________(固定的工作) four years after he graduated from college.

13.We've got to be ________(现实的) because we can't really afford another holiday.

题型:填空题

中压燃气管道与给水管、排水管或其它燃气管道的垂直净距应为不小于()m。

A、0.3

B、0.2

C、0.15

D、0.1

题型:填空题

某机电安装工程公司承担了一座36层高楼的防雷安装任务。为确保人身安全,安装工程公司派两名精通机电专业的技术人员、两名技术人员随同施工队一起参加工作。经多次安装检查无误后,项目才正式完成使用。

( )系统适用于环境条件不良,易发生单相接地故障以及易燃、易爆的场所。

A.IN

B.TN

C.TT

D.IT

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