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阳光小区出现了父母虐待儿童的事件，在该社区产生了很大的影响。社会工作者玉兰针对这一问题策划服务方案。她在家访的过程中了解到受虐儿童的家属缺乏社会支持，探明了产生这一现象的原因，并且通过调查掌握了受这一问题影响的社区人群状况，制订了下一阶段工作目标。玉兰所做的工作属于社会服务方案策划中的（）。
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管式炉二段泵焦油含水小于（）。
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电力机车各辅机在启动时要（）。
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龙骨的种类有（）。
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鳃上呼吸器官
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A few years ago , a sad thing happened. A young American woman left her 21_______for career reasons; she moved far away. For this reason ,a 36-year- old 22_______father has custody of his two children , eleven and eight years old. He works long hours as a 23_______, including weekends. On his days off from work , he goes to a local 24_______college. He' s studying to 25 his job skills so he can make more money for his family. At night he does his homework at the same table as the 26_______. But who takes care of the kids in the evenings when their father is working or 27_______to school? His "extended family"- his mother , other 28_______, and his new girlfriend 29_______out as much as they can. He thinks his girlfriend , who is from Mexico , his home country , is good for his family. He doesn’t want to date "Anglos"or"Anglicized" women because he thinks they value their 30_______over motherhood. He wants a wife with traditional , religious values like his mother.
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铜矿砂及其精矿
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环境卫生工作和环境卫生学的任务是加强（）
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成熟棉纤维经18%（）溶液膨胀后，在显微镜下观察，呈无转曲的棒状纤维。
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目前最常用的治疗前列腺增生的手术方式是（）