220kV第一套母差保护当发生TV断线信号时应（）。 A.立即退出母差保护 B.检查 发布时间：2017-08-27 16:19 │ 来源：www.tikuol.com 题型：单项选择题 问题： 220kV第一套母差保护当发生TV断线信号时应（）。A.立即退出母差保护B.检查正副小差电流C.检查电压二次回路
题型：单项选择题 阅读理解。I Ate Mine A train stops at a station (火车站). Many people come out to buy food and fruits. A young man wants to come out,but it starts to rain. A boy is standing under a big umbrella. The young man says to the boy, " Can you go and get us two burgers (碎肉夹饼), one for you and one for me? Here are two dollars (美元)." " Great! " says the boy and then he goes to buy burgers. After some time, the boy is back. He's eating a burger. " Where is my burger? " asks the young man. " Oh, there was only one burger left. So I ate (吃 eat过去式) mine. Here is your dollar."根据短文内容，判断句子正(T)误(F)。 ( ) 1. The young man doesn't want to come out to buy a hot dog. ( ) 2. The boy likes to help the young man. ( ) 3. The young man ate one burger.( ) 4. The boy ate two burgers. 查看答案