第3题: [单项选择]高钾血症是指血钾浓度超过( )。 A. 3.5mmol/L B. 4.5mmol/L C. 5mmol/L D. 5.5mmol/L E. 7mmol/L 参考答案:D 答案解析:[解析] 血清电解质测定
第4题:[单选题]115 Many houses _____ by the earthquake and thousands of people were left homeless. A.damaged B.were damaged C.were damaging D.are damaged 参考答案:B