槽、罐车属于（）式压力容器。 ["A、卧","B、立","C、固定","D、移动"]
下列肺炎中X线表现为类圆形阴影且易形成空洞的多见于（） ["大叶性肺炎","小叶性肺炎","化脓性肺炎","支原体肺炎","霉菌性肺炎"]
描述数值型变量资料的集中趋势指标是（） ["算术均数","方差","四分位数间距","变异系数","标准差"]
腓骨肌萎缩症最常见的类型为（） ["CMT1型","CMT2型","CMT3型","CMT4型","CMT5型"]
正常心脏左室射血分数（EF）值应为（） ["EF>40％","EF>60％","EF>70％","EF>80％","EF>50％"]
任一安全保护失灵、主要仪表不全或失灵、（）、（）等禁止启机。
