变压比测量成套仪尽量采用()。 A.油浸式调压器 B.自耦式调压器 C.感应调压器

题型:单项选择题

问题:

变压比测量成套仪尽量采用()。

A.油浸式调压器

B.自耦式调压器

C.感应调压器

D.隔离调压器

考点:变电五通考试变电五通考试题库
题型:单项选择题

-You look so puzzled. What’s up?

- ______ . I can’t find any solution to the problem.[ ]

A. Don’t bother me.                 

B. That’s not the point.  

C. I’m stuck.                    

D. See what I mean?

题型:单项选择题

按要求做题。

1. He went to school after his mother came back. (改为同义句)

      He ________ go to school ______ his mother came back.

2. I think Mike will be a singer in 10 years. (就画线部分提问)

      _______ ________ you think _________ be a singer in 10 years?

3. The teacher told Tom not to be late. (改为直接引语)

      The teacher ______ ________ Tom,"_________ __________ _________."

4. Lucy asked Jack,"Did you have a football match yesterday?"(改为直接引语)

      Lucy asked Jack ______ ______ ______ ______ a football match _______ _______ ______ .

5. Jenny likes football. Kate likes football,too. (合并为一句)

      ________ Jenny _______ Kate _______ football.

题型:单项选择题

债券的发行价格与债券的面值必然一致。

题型:单项选择题

使用波长隔离的PON光功率计测量,具有以下功能()。

A.可以直接连接到网络中进行测量,不影响上行和下行光信号的传输

B.可以同时测量所有波长的功率

C.可以检测所有波的频率

D.可以检测光信号的突发功率

题型:单项选择题

分离器投入使用前,应先检查分离器(),使其处于隔离状态。

A、入口阀

B、出口阀

C、排污阀

D、安全阀

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