作直线相关分析时,当,n=10,r=0.8531,α=0.05(双侧),查相关系数界值表r0.001,8=0.872,r0.002,8=0.847,r0.005,8=0.805,得P值范围为() ["0.001","P<0.001","0.0005","P<0.0005","0.002"]
无支护土方的分项工程包括() ["土方开挖","土方回填","钢及混凝土支撑","排桩","水泥土桩"]
糖尿病所致面神经炎治疗首选() ["激素","针灸","控制血糖","按摩","抗感染"]
判断慢性肾盂肾炎疗效最重要的检查方法是() ["临床症状消失","肾区叩痛","尿白细胞计数","尿酚红排泄试验","尿培养菌落计数"]
安全事故责任追究制度的关键在于责任()。 ["A、落实","B、追究","C、分级","D、大小"]
结膜瓣有两种:一是(),二是()。