The United Nations are evaluating the damage caused in Haiti earthquake, while in Chile the government itself ______ the lead role．

A．is taking

B．was taking

C．took

D．had taken

糖尿病患者，女，45岁。尿糖(++++)，血糖25mmol/L。使用胰岛素60U后血糖降10mmol/L，此时应注意补充______

A．氯化钾

B．氯化钠

C．氯化钙

D．ATP

E．细胞色素C