题型:选择题 ------ You don’t look well. Are you ill?------ No, the exam is coming, and I _____ reading until midnight. A.kept upB.got upC.stayed upD.work up 查看答案
题型:单项选择题 呼吸性酸中毒失代偿期,血气分析及电解质的改变是()。A.PCO2降低,血pH降低,血钾降低B.PCO2升高,血pH升高,血钾升高C.PCO2升高,血pH降低,血钾升高D.PCO2升高,血pH降低,血氯降低E.PCO2降低,血pH升高,血氯升高 查看答案