生理盐水加食醋灌肠排() ["血钠","血钾","血氨","血钙","血磷"]
丰水期主要预测的水文变化过程是()。 ["河水流向","特枯流量","输沙量","不同频率洪水流量及过程的变化"]
多器官功能障碍综合征发病过程中最容易受损的器官是() ["肺","肝","肾","脑","心脏"]
直肠癌根治术后,人工肛门开放初期,病人宜采取的体位是() ["左侧卧位","右侧卧位","平卧位","俯卧位","仰卧中凹位"]
下列几项中不属于受工程影响的植物中主要保护对象的是()。 ["地带性天然植被","经济林带","区域特有种","名木古树"]
特殊集体劳动争议协商主要由哪几种表现形式?