一只5A量程的磁电系电流表,接通电流为4安培、频率为50赫兹交流电流时,该表的读数是

题型:单项选择题

问题:

一只5A量程的磁电系电流表,接通电流为4安培、频率为50赫兹交流电流时,该表的读数是()。

A.0A

B.4A

C.0.707×4A

D.在0位处略有抖动

考点:铁路信号工信号工应知应会信号工应知应会题库
题型:单项选择题
按要求写单词。
1. teach (第三人称单数) ________________
3. warm (反义词) ________________
5. wind (形容词) ________________
2. inside (反义词) ________________
4. kilometre (复数形式) ________________
6. hot (反义词) ________________
题型:单项选择题

任务型阅读。

     Today is Sunday. Jim goes to Beijing Zoo with his classmates. He puts on his new T-shirt and white shoes.

Then he says good-bye to his parents and goes to the bus stop. He is going to meet his classmates there. The

zoo is at 137Xizhimenwai Dajie, Xicheng District. So the students take a bus there. They are going to see a lot

of animals and they will have a good time. The zoo is open from 8:00 a.m.to 5:30 p.m.every day. They get to

the zoo at 10 o'clock. They will spend 2 hours in the zoo. The price for each student is 20 yuan and for each

adult is 40 yuan. Jim forgets to take any money with him. His teacher helps him. So he can get into the zoo.

In the zoo, they see some lions and they know more about animals.

Place:1_________

Location:2_________

Price:3_________

Opening days:4_________

Opening hours:5. _________

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新立杆塔在()或做好拉线前,不应攀登。

A.未安装金具

B.杆基未完全牢固

C.未编号

D.未架线

题型:单项选择题

关于海关接受申报的时间,下列表述错误的是:

A.经海关批准单独以电子数据报关单形式向海关申报的,以“海关接受申报”的信息发送给进出口货物收发货人或其代理人,或者公布于海关业务现场的时间为接受申报的时间
B.经海关批准单独以纸质报关单形式向海关申报的,以海关在纸质报关单上进行登记处理的时间为接受申报的时间
C.在先以电子数据报关单向海关申报,后以纸质报关单向海关申报的情况下,海关接受申报的时间以海关接受纸质报关申报的时间为准
D.在采用电子和纸质报关单申报的一般情况下,海关接受申报的时间以海关接受电子数据报关单申报的时间为准

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物业管理早期介入的工作需要参与人员每周用工作联系函和建议书与( )保持沟通和联系。

A.开发建设单位 B.设计单位
C.施工单位
D.开发商

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