某建筑公司中标了一个房建工程，该工程地上3层，地下1层，现浇混凝土框架结构，自拌C30混凝土，内隔墙采用加气混凝土砌块，双坡屋面，防水材料为3mm厚SBS防水卷材，外墙为玻璃幕墙。生产技术科编制了安全专项施工方案和环境保护方案。一层混凝土浇捣时，项目部对现场自拌混凝土容易出现强度等级不够的质量通病，制定了有效的防治措施。一层楼板混凝土浇筑完毕后，质检人员发观木工班组不按规定拆模。
经验证明，一般以水泥强度等级为混凝土强度等级的( )倍为宜。
A．0.5～1
B．1.5～2.0
C．3～4
D．4～5
参考答案：B
A man and his girlfriend got married. Everyone could tell that the love they had for each other was true. A few months later, the wife came to the husband with a proposal, “I read in a magazine about how we can our marriage. Each of us will write a list of the things that we find a bit with the other. Then, we can talk about how we can them together and make our lives happier together.” The husband . So each of them went to a(n) room and thought about the things that annoyed them about the other for the rest of the day. The next morning, at the breakfast table, they decided that they would go over their . “ I’ll start,” offered the wife. She her list. It had many items on it, enough to fill 3 pages. After the wife had read all three pages to her husband, the husband seated, “I don’t have anything on my list. I think that you are perfect the that you are. I don’t want you to anything for me.” The wife, touched by his honesty by his depth of his love for her and his of her, turned her head and wept. In life, there are enough times when we are disappointed, depressed and annoyed. We don’t really have to go for them. We have a wonderful world that is full of beauty, light and promise. Why waste time seeking the bad, disappointing or annoying when we can look around us, and see the wonderful things before us?
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