更多"[单选题]—May l borrow your umbrella fo"的相关试题:
[单选题]-May l use your bike for a moment? ______
A. It's well.
B. It doesn't matter.
C. By all means.
D. I have no idea.
[单选题]-Hello, may l talk to the director now? ______
A. Sorry he is busy at the moment.
B. No, you can’t
C. Sorry, you can’t
D. I don't know.
[简答题]May I have a look at your pictures?
[单选题]-May I move your bag a little and take this seat? ______
A. I don't mind
B. It doesn't matter
C. You do it please
D. Go ahead
[单选题]— May I see your tickets, please? ______
A. Sure
B. No, you can't
C. No, they are mine
D. Yes, you can
[单选题]- May I see your ticket, please? ______
A. Sure.
B. No, you can't.
C. No, they are mine.
D. Yes, you can.
[单选题]-- I'm sorry l broke your mirror.-. Oh, really? ______
A. It doesn't matter
B. Don't be sorry
C. Not at all
D. It's OK with me
[单选题]-I' m sorry l broke your mirror. ______
A. It‘s OK with me.
B. It doesn't matter
C. You are welcome. D I don't care
[判断题]丈量了L1和L2两段距离,且L1>L2,但它们的中误差相等,所以L1和L2两段的观测精度是相同的。【该题涉及6.2内容】
A.正确
B.错误
[判断题]33梳41梳装L3L4的花针一般先装L3再装L4
A.正确
B.错误
[判断题]两个L1、L2互感线圈,其互感系数为M,当其顺串使用时其等效电感为L=L1+L2+2M,反串时等效电感为L1+L2-2M。( )
A.正确
B.错误
[判断题]交叉敏感性检测时，油样中CO 大于1000μL/L、CO2含量大于10000μL/L， H2含量小于50μL/L。合格判据为：CH4测量结果应满足Q/GDW 10536规范要求：( )
A.正确
B.错误
[单选题] 电感 L 1 与 L 2 串联,其等效电感 L等于( )
A. L 1 + L 2
B. L 1 × L 2
C. ( L 1 + L 2 ) / L 1 × L 2
D. L 1 × L 2 / ( L 1 + L 2 )
【出处】 国家电网公司 人力资源部,《 国家电网 公司生产技能人员职业能力培训通用 教
材 电工基础》,中国电力出版社, 2010 年,第五章第八节
【知识点、考核点】 电路的组成、 电感的性质
