某机电安装公司承建某36层商业大厦的建筑智能化系统安装工程。工程项目包括：通信网络系统、火灾自动报警及消防联动系统、安全防范系统、建筑设备自动监控系统、办公自动化系统等。商厦的库房门禁系统采用指纹电控锁，商厦内的通风与空调和消防等设施由BA系统监控。安装工程经各级各类验收合格后投入使用。
办公自动化系统的扫描机属于（）。
A．系统硬件
B．系统软件
C．应用软件
D．执行软件
参考答案：A
| 完形填空。 | ||||
| My dad was a used car salesman. Every 1 on Thursday, he would head off to Shreveport, LA to the auction (拍卖). Once, I was riding with him on the highway when he 2 a hitchhiker (搭便车的旅行者) with a backpack. As soon as Dad saw him, he pulled the car over and offered him a 3 . Dad asked him where he was going. The hitchhiker in front of me said he headed out to the west. Dad told him we were heading to Shreveport so that was as far as we could take him. I can't remember 4 but he told Dad lots of things that made him decide to go to the west. I sat in the 5 seat and watched the scene with 6 . I could see the hitchhiker changed his 7 as he could feel someone was really 8 him. It was quite an exchange and I watched it carefully as if I were 9 notes in order not to miss one word. I did know it was quite cold outside and the hitchhiker was very 10 to be able to stay in our car. We drove another forty-five minutes before we had to 11 the highway. We pulled over and Dad told him to keep his head 12 and things would start getting better for him soon. He 13 his pocket and handed the hitchhiker a twenty- dollar bill. The guy was very pleased now. His face 14 right there on the 15 , dark highway. We 16 on and my dad didn't say a single thing. I was 17 completely amazed by what I had just seen. I was always told by everyone to never 18 up a hitchhiker and yet my dad did it every time he saw one. He always gave them money even if he did not have very much of his own. I learned a lot about my dad and 19 . I learned that just one single kind act can 20 someone's life. | ||||
|