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[问答题,简答题] “效益背反”原理?

传染性非典型肺炎的潜伏期通常为() ["1周内","2周内","3周内","4周内","5周内"] 一对直肠癌指诊的描述中不正确的是:() ["85%的直肠癌位于手指可触及的部位","肠壁上硬结性肿块或溃疡","推之不移","肠腔狭窄","指套染血"] 下列对结合胆红素的说法错误的是() ["主要是双葡萄糖醛酸胆红素酯","与重氮试剂呈直接反应阳性","随正常人尿液大量排出","不易透过生物膜","结合胆红素无毒性"] 传染性非典型肺炎的传播途径主要是() ["近距离的飞沫传播","粪-口途径传播","经鼻、眼接触传播","血液传播","蚊虫叮咬"] 血红素加氧酶主要存在于单核巨噬细胞的() ["线粒体","微粒体","细胞核","细胞质","细胞膜"] “效益背反”原理?
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