颅内、颅外血液循环可以通过下列何种途径相交通（） ["脑膜中动脉","内眦静脉","板障静脉","后交通动脉","眼动脉-眶上动脉"]
带电物体火灾属于（） ["A类火灾","B类火灾","C类火灾","D类火灾"]
出现柏油样便，可能为下列哪种疾病（） ["结肠息肉","结肠癌","胃癌","痔","肛裂"]
与斜坡关系密切的脑池包括（） ["鞍上池","脑桥前池","延髓前池","小脑延髓外侧池","小脑桥脑池"]
血浆凝血酶原时间延长见于下列哪种因子缺乏（） ["Ⅷ因子","Ⅸ因子","Ⅺ因子","Ⅴ因子","Ⅻ因子"]
雷达气象方程说明回波功率与距离的（）次方成反比。
