在观察有折光力的微生物时,应用的显微镜是()。 ["普通显微镜","荧光显微镜","暗视野显微镜","倒置显微镜","照像显微镜"]
成人喉乳头状瘤的发病特点有() ["单发","可能癌变","易复发","易出现喉阻塞","喉癌的前期病变"]
单纯指深屈肌腱断裂后临床可发生() ["锤状指畸形","手指过伸","手指伸屈功能丧失","手指屈曲功能完全丧失","手指远节指间关节屈曲功能丧失"]
男性,23岁,流涕,干咳即以呼气性呼吸困难,胸闷,听诊双肺满布哮鸣音,可能的诊断是() ["支气管哮喘","急性左心力衰竭","自发性气胸","急性心肌梗死","急性右心力衰竭"]
照射量率的国际单位是()。 ["C·kg-1<\/sup>","C·kg-1<\/sup>·s-1<\/sup>","Gy·s-1<\/sup>","Sv·s-1<\/sup>","rad·s-1<\/sup>"]
土地利用问题