问题
多项选择题
施工机械设备的选择，主要考虑施工机械的( )等方面对施工质量的影响与保证。
A．技术性能与工作效率
B．可靠性与维修难易
C．工作质量
D．能源消耗
E．使用方法
答案
参考答案：A,B,C,D
解析：[知识点] 现场施工准备的质量控制
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施工机械设备的选择，主要考虑施工机械的( )等方面对施工质量的影响与保证。
A．技术性能与工作效率
B．可靠性与维修难易
C．工作质量
D．能源消耗
E．使用方法
参考答案：A,B,C,D
解析：[知识点] 现场施工准备的质量控制
It was a bright spring afternoon when Freda told me she wouldn’t need me any more. I had just finished my four-hour work － 36 up and down the stairs of her three-storey home, cleaning the floor and washing the dished. She was 37 jeans and a sweater. Sitting at the table I had just 38 a pile of papers spread around her. Her husband’s 39 was going to be reduced by thirty percent. And they were trying to live as if it had 40 happened. I felt sorry for her, but I also felt a sense of 41 . I had been cleaning Freda’s house for five years and had 42 an unexpected relationship with the family. It was not just 43 I had become an expert at scraping（刮掉）dirt stuck to their wooden floor. 44 that I had learned exactly how to place toys on the girls’ beds. It was 45 than that, for I felt I had become a part of their 46 . Freda stayed at home with the kids, 47 I would often see her in the morning 48 them to school. And I’d be there when they 49 home at lunch for sandwiches and piano practice. I had 50 them grow up. Now I was fired, but the 51 thing was that I still wanted to keep scraping away the dirt and dust for the family. I left Freda’s 52 relationship with my clients（主顾）. Who am I 53 them? As a matter of fact. I’m 54 an employee － the lowest kind of employee. But I’m also a trusted 55 of the family. I can’t help worrying about what happens around me.
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