残疾人的心理变化过程包括() ["无知阶段","否认阶段","适应阶段","对抗独立阶段","抑郁反应阶段"]
在底部加热投入过程中,汽包压力()Mpa时,可联系检修热紧螺栓。 ["A、0.2;","B、0.3;","C、0.5;","D、1.0。"]
口呼吸引起的错畸形属于(). ["遗传因素","环境因素","呼吸功能异常","全身因素","口腔不良习惯"]
低温给机体带来的最大危险是() ["寒战","复温时烫伤","酸碱平衡紊乱","意识障碍","心室颤动"]
在食管癌的根治性放射治疗中,()是常见并发症 ["食管狭窄","气管食管反应","放射性肺炎","肺纤维化","以上都是"]
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