代表心室除极波形的是() ["P波","QRS波群","S-T段","T波","Q-T间期"]
颈椎活动正常范围是() ["前屈、后伸各60°~80°;左右旋转各60°~80°;左右侧屈各45°","前屈、后伸各35°~45°;左右旋转各60°~80°;左右侧屈各45°","前屈、后伸各35°~45°;左右旋转各35°~45°;左右侧屈各45°","前屈、后伸各35°~45°;左右旋转各60°~80°;左右侧屈各80°","前屈、后伸各35°~45°;左右旋转各60°~80°;左右侧屈各80°"]
城镇土地使用税是采用分类分级的幅度定额税率,每平方米的年幅度税额按城市大小分()4个档次。 ["大城市1.5~30元","中等城市1.2~24元","小城市0.9~18元","小城市0.6~12元","县城、建制镇、工矿区0.6~12元"]
JIT的中心思想是() ["零废品","零库存","交接时间短","消除一切无效劳动和浪费"]
下列可引起中心性紫绀的疾病是() ["右心衰竭","肺淤血","缩窄性心包炎","重症休克","血栓闭塞性脉管炎"]
论述物流成本的核算对象的种类。