超声测量胰体，常根据哪条血管定位（） ["肠系膜上动脉","肠系膜上静脉","肺静脉","门静脉","下腔静脉"]
钩体病的特异性检查有（） ["显凝试验","以上都是","酶联免疫吸附试验","间接红细胞凝集试验","血培养"]
对于SBS和APP防水卷材，下列说法正确的是（）。 ["A、针入度","B、延度","C、软化点","D、闪点","E、溶解度"]
血吸虫病病理过程中第二阶段严重时可发生（） ["尾蚴性皮炎","出血性肺炎","脑膜脑炎","大叶性肺炎","门静脉栓塞性脉管炎"]
下列哪一支血管不是左冠状动脉的分支（） ["左冠状动脉主干","右圆锥支","左回旋支","斜角支","左前降支"]
气化原料煤为何要严格控制灰熔点不能过高？
