胶体金标记技术的优点为()。 ["A.较放免方法更敏感","B.标记物非常稳定","C.较酶联免疫方法更敏感","D.特别适合于定量分析","E.需特殊仪器"]
腰椎间盘突出症的基本病因包括() ["腰椎间盘的退行性改变","腰椎间盘的损伤","血液循环障碍","遗传因素","腰骶先天异常"]
青霉素串珠试验阳性的细菌为() ["布鲁菌","炭疽芽孢杆菌","蜡样芽孢杆菌","假结核耶氏菌","白喉杆菌"]
有明显异染颗粒的细菌是() ["布鲁菌","炭疽芽孢杆菌","蜡样芽孢杆菌","假结核耶氏菌","白喉杆菌"]
常用的放射性同位素不包括()。 ["3<\/sup>H","125<\/sup>I","131<\/sup>I","13<\/sup>C","14<\/sup>C"]
简述我国汽油目前存在的问题及发展趋势?