【Researchersareplacingroboticdogs(机器狗)inthehomesoflonelyoldpeopletodeterminewhethertheycanimprovethequalityoflifeforhumans.AlanBeck,anexpertinhuman-animalrelationship,andNancyEdwards,aprofessorofnursi

问题：【Researchersareplacingroboticdogs(机器狗)inthehomesoflonelyoldpeopletodeterminewhethertheycanimprovethequalityoflifeforhumans.AlanBeck,anexpertinhuman-animalrelationship,andNancyEdwards,aprofessorofnursin】

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孙旭辉的回答：

网友采纳　　48--51 BCAB48．答案：B解析：这是一道推断题。第一段第一句话“todeterminewhethertheycanimprovethequalityoflifeforhumans”，因此专家研究的目的是让孤...