问题
单项选择题
工程质量事故处理完毕后需要进行鉴定验收。质量事故的技术处理是否达到了预期目的，施工现场质量管理人员应进行（）确认。
A.验收并予以初步
B.预验收并予以初步
C.验收
D.验收并予以签字
答案
参考答案：A
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工程质量事故处理完毕后需要进行鉴定验收。质量事故的技术处理是否达到了预期目的，施工现场质量管理人员应进行（）确认。
A.验收并予以初步
B.预验收并予以初步
C.验收
D.验收并予以签字
参考答案：A
“But I feel good doing this!” the little boy’s voice rang in my ears when I entered the mall. He stood raising for cancer research. In the cold wind, he pulled his hat down over his ears. He warmed one hand in his pocket and held a list with the other hand. I noticed him greeting the people passing by gloves on his hands. I checked my purse but I didn’t find any change. I was ready to give money because I wished cancer could be cured (治愈) one day. “I’ll bring you some money when I returned” I the little boy. “Thank you!” he smiled and he seemed almost in the cold air. I suggested he come inside the mall, but he said, “The guard there said is allowed to raise money for charities (慈善) in the mall. But I feel good doing this here. It’s OK.” I did my shopping and about buying something for him. Finally, I bought a pair of gloves, brown ones. The cashier (收银员) felt curious when I the boy’s words “But I feel good doing this!” The boy still stood where he had been. I offered some money to him and in the list that he handed to me. Then he told me that his best friend George had leukemia (白血病). He did this in order to help him out of . With tears full of my eyes, I put the gloves that I bought for him into his hands. “Will the cancer research give you something to thank you for doing this?” “Oh yes!” the boy said and his eyes up with joy, “They sure do! Now I can stand here much than I expected!” “What do you receive then?” I asked. He answered with a smile, “I get another new, empty list.”
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在一个密闭容器中加入甲、乙、丙、丁四种物质，在一定条件下发生化学反应，测得数据见下表．
| 物质 | 甲 | 乙 | 丙 | 丁 |
| 反应前质量 | 8g | 35g | 5g | 8g |
| 反应后质量 | 2g | X | 5g | 42g |
A．该反应的基本类型是分解反应
B．反应后剩余乙物质的质量X=7g
C．在该反应中，丙物质一定做催化剂
D．在该反应中，甲、乙、丁的化学计量数之比为3：l4：l7