重写句子:Alan passed the test. Alan had studied hard. Alan had understood the material.(complex sentence)
Alan passed the test because Alan had studied hard and understood the material.
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名词解释:质量管理体系
王女士,86岁,长期住院治疗,大多数时间处于焦虑状态,频繁抱怨许多不明的症状,认为这些症状干扰自己的进食,根据病人的临床表现,可诊断病人为()
所有居民均可免费享受健康体检中的辅助检查项目。
传染病人留观的隔离原则是()
对确诊的2型糖尿病患者每年提供_________次免费空腹血糖检测,至少进行_________次面对面随访。