演示枪击音、杜氏双重杂音的检查方法。
精索静脉曲张介入治疗的并发症有() ["肝栓塞","肺栓塞","精索内静脉穿孔","静脉炎","脑栓塞"]
无人机左侧风中起飞,侧风有使飞机机头向()偏转趋势 ["左","右","视风速的大小不同可能向左也可能向右"]
有关子宫体癌的描述,哪些正确() ["最早发生于子宫肌层","多为腺癌","临床以绝经后阴道不规则流血为特征","疑为本病时应避免子宫输卵管造影","大体病理分为弥漫型、局限型"]
起落航线飞行开始一转弯和结束四转弯的高度一般不得低于() ["50米;","100米;","150米"]
演示水冲脉的检查方法。