问题
单项选择题
监控系统能实现四遥功能,遥测和遥信的区别是()。
A.前者指模拟量,后者指开关量;
B.前者为测量,后者指控制;
C.前者为正常信号,后者为告警信号;
答案
参考答案:A
监控系统能实现四遥功能,遥测和遥信的区别是()。
A.前者指模拟量,后者指开关量;
B.前者为测量,后者指控制;
C.前者为正常信号,后者为告警信号;
参考答案:A
![]() The night of graduation, I was afraid. Two hundred people were sitting out there. I felt tense and I wanted to run away, 1 I couldn’t! After all, my own children were sitting in front of me with many other persons. I couldn’t be a coward(懦夫) before 2 . When I ended the speech, I was 3 at the cheering. And I never forget the first time I received the cheering in my life. Flowers arrived 4 my brothers and sister. My husband gave me silk roses. The reporters came with 5 and recorders and lots of questions. There were tears and hugs and congratulations. Sometimes, I sit down and 6 the tape of my graduation speech. I hear myself say to the audience, “Don’t’ give up your 7 in life. Anything can happen if you believe. It means hard work, but 8 sure that you can do it, with God’s help.” And then, I remember mother’s 9 to me , a young girl: “Hurry, Gin, you’ll be late for school.” Yes, Mom, I was late 10 school, but it was sweeter for waiting. I only wish you and Dad could have been there to see your daughter and granddaughter in all their show and speech.
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