最常见的过压保护措施是。（）A、快速开关； B、阻容保护； C、压敏电阻； D、快速 发布时间：2017-10-22 14:55 │ 来源：www.tikuol.com 题型：单项选择题 问题： 最常见的过压保护措施是。（）A、快速开关；B、阻容保护；C、压敏电阻；D、快速熔断器。
题型：单项选择题 句子匹配，从B栏里找出A栏的正确答语。 A栏 ( ) 1. What did he do yesterday? ( ) 2. Did he learn English? ( ) 3. Who is this? ( ) 4. What did she have for dinner? ( ) 5. What are you going to eat tonight? B栏A. It's my grandma. B. She had sandwiches. C. He watched TV yesterday. D. We are going to eat rice and fish. E. Yes, he did. 查看答案