问题
单项选择题
选择电流互感器的规定条件中，下列哪一条是错误的？（）
A.220V电流互感器应考虑暂态影响
B.电能计量用仪表与一般测量仪表在满足准确级条件下，可共用一个二次绕组
C.电力变压器中性点电流互感器的一次额定电流应大于变压器允许的不平衡电流
D.供自耦变压器零序差动保护用的电流互感器，其各侧变比应一致
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
选择电流互感器的规定条件中，下列哪一条是错误的？（）
A.220V电流互感器应考虑暂态影响
B.电能计量用仪表与一般测量仪表在满足准确级条件下，可共用一个二次绕组
C.电力变压器中性点电流互感器的一次额定电流应大于变压器允许的不平衡电流
D.供自耦变压器零序差动保护用的电流互感器，其各侧变比应一致
参考答案：A
| 阅读下面表格内容，从每题所给的A、B、C3个选项中，选出1个最佳答案。 | ||||||||||||||||||
| ||||||||||||||||||
| 1. How many main problems are there in the survey? | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Four. B. Five. C. Six. | ||||||||||||||||||
| 2. What problems are caused by too much homework? | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Get fat. B. Fight with each other. C. Feel stressed and get short sighted. | ||||||||||||||||||
| 3.If Simon is feeling stressed, he should . | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. do much more homework B. buy some snacks C. make a plan for study and hobbies | ||||||||||||||||||
| 4. Peter doesn't like study. Maybe he . | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. plays too many computer games B. has no pocket money C. gets fatter and fatter | ||||||||||||||||||
| 5. is a good way for students to stop fights. | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Doing less homework B. Learning how to make friends C. Playing computer games |