高压交联电缆导电线芯表面覆盖半导电层,其目的是()。
A、增加导电线芯的导电半径
B、加强导电线芯与绝缘之间的结合力
C、使电场均匀,降低突出部分的电场强度
参考答案:C
请找出句中的错误并改正在后面的横线上。
1. Lily can't play piano. _________________________
2. Wendy and Daisy are in same class. _________________________
3. Look at a red flower. It's so pretty. _________________________
4. A dress on the sofa is my mother's. _________________________
5. My father is tallest in my family. _________________________
6. Sarah comes from USA. _________________________
7. My house is near Changjiang River. _________________________
8. The rabbit is first in this match. _________________________
9. Peter likes to play the football. _________________________
10. My birthday is on third of December. _________________________
下列关于城市交通政策的表述,正确的是()
A.城市交通政策是交通执法的依据
B.城市交通政策是关于交通技术、交通经济和交通管理的政策
C.城市交通政策是制定交通法规的唯一依据
D.城市交通政策应随城市交通状况变化而随时修订