问题 问答题 简答题

记录仪电流与实际电流不符是什么原因?

答案

参考答案:

有下列原因:

(1)记录仪本身误差太大。

(2)笔尖连杆松动、移位。

(3)互感器变比不对或有短路现象。

改错题

修改病句。   

1.同学们热心欢迎新老师。  

                                                                                                  

2.海底不仅有鱼类,但是有贝类。

                                                                                               

3.蜡烛把风吹灭了。

                                                                                               

4.七月的新疆,最理想的是。

                                                                                              

5.在浙江的金华,游北山的双龙洞。

                                                                                              

6.她的眼睛里喜悦的露出了神情。 

                                                                                              

7.运动场飘扬着五颜六色的红旗。

                                                                                               

8.教室里传出动听的歌声和舞蹈。

                                                                                             

9.是一名小歌手。 

                                                                                            

10.我们必须良好的行为习惯。

                                                                                                              

单项选择题 A1型题