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【简答题】
Anyone who works in an office knows the power of technology. When it works, life is wonderful. Information files across the world in seconds. It saves time and makes our jobs easier. But when technology goes wrong, everyone hates it. In March, Peter Golota received a gas bill for $0.00. He threw it away. In April, he received another bill for $0.00. He threw that one way, too. In May, the gas company sent him a letter which said he had to pay his gas bill. If he didn’t pay it, they were going to cut off his gas. He called and told them the bill was for $0.00. They said it was a computer error. But the bills continued. Finally, he sent a check for $0.00. This caused the bank’s computer to crash. After a lot of angry phone calls and the letters between the man, the gas company, and the bank, the case went to court. The gas company lost, and had to pay Peter Golota $8,000. It all happened because of a bill for $0.00. A man from Colorado appeared on the news when he shot his computer because it crashed all the time. The man, who owned a bar, put the “dead” laptop on the wall for everyone to see. The police said, “It’s the first time someone shot a computer because he was angry with it.” They arrested him. In December, Margaret Smart, of Energies Solutions, stood up in front of 2,000 people in Taxes. As she began to speak, her microphone stopped working. They found another one. After two minutes, that one also died. When she decided to show her notes on PowerPoint, the computer refused to start up. The title of her presentation was “Technology: The way Forward”. 小题1:Why did the bank’s computer crash? A. Because it kept sending gas bills for $0.00. B. Because Peter Golota sent a check for $0.00. Because the gas company sent a letter to the bank. D. Because the gas bill case went to court. 小题2:Who got angry with his computer and shot it? A. A bar owner.                                          B. A policeman. Peter Golota.                                        D. A bank manager. 小题3:Margaret Smart’s computer refuses to start up probably because ________. A. there was a power failure                  B. it worked too long it went wrong                                D. someone shot her computer
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【简答题】在三菱 FX 系列 PLC 的特殊辅助继电器中,取指令是 ,取反指令是 ,输出指令是 。 2 、 PLC 常用的编程语言主要有 _________ 和 _______ 。 3. 在 FX 系列 PLC 编程语言中 X 表示 ,Y 表示
【简答题】PLC目前常用的编程语言主要有哪些?
【简答题】什么叫编程语言?PLC常用的编程语言主要有哪几种?
【简答题】PLC常用的编程语言主要有________、________和________等。
【简答题】PLC常用的编程语言主要有 _____、________和_______等
【单选题】下列各组茶叶中,不属绿茶类的是( )。
A.
洞庭碧螺春,西湖龙井
B.
武夷岩茶,君山银针
C.
黄山毛峰,六安瓜片
D.
蒙顶甘露,叙府龙芽
【单选题】下列各组茶叶中,不属绿茶类的是()。
A.
洞庭碧螺春、西湖龙井
B.
白豪银针、君山银针
C.
黄山毛峰、六安瓜片
D.
蒙顶甘露、安吉白茶
【判断题】瞳距有误会影响眼镜验配质量,如单眼清楚,双眼看时出现头晕、眼胀、不能忍受等症状。
A.
正确
B.
错误
【简答题】PLC日常用的编程语言主要有哪些?
【单选题】下列各组茶叶中,不属绿茶类的是(  )。
A.
洞庭碧螺春,西湖龙井
B.
武夷岩茶,君山银针
C.
黄山毛峰,六安瓜片
D.
金山翠芽,茅山长青
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