问题
多项选择题
中国南方电网有限责任公司企业标准,《测量用互感器标准装置订货及验收技术标准(试行)》其中要求:被检互感器的标准装置按种类分为()
A.电压互感器标准装置
B.电流互感器标准装置
C.高压互感器标准装置
D.低压互感器标准装置
答案
参考答案:A, B, C
中国南方电网有限责任公司企业标准,《测量用互感器标准装置订货及验收技术标准(试行)》其中要求:被检互感器的标准装置按种类分为()
A.电压互感器标准装置
B.电流互感器标准装置
C.高压互感器标准装置
D.低压互感器标准装置
参考答案:A, B, C
完形填空(共10小题,每小题1分,满分10分) 阅读下面短文,从短文后所给各题的A、B、C、D四个选项中选出最佳答案。 Paper was first about2,000 years ago, it has been made silk, cotton, bamboo, and wood. People learned to write words on paper to make a book. And because there weren’t many books, people learned to read. Then printing was invented in China. The first printed books were made by ink on a wooden block and holding the paper against it. When printing was developed greatly the beginning of the11th century, books could be produced more quickly and . ___ , more people learned to read. After that, knowledge and ideas spread quickly, a way that can be compared the of the Internet in the20th century.
|