判断糖尿病控制程度较好的指标是（）。
A.空腹血糖
B.餐后血糖
C.糖化血红蛋白
D.空腹血浆胰岛素含量
E.OGTT
参考答案：C
He __________ his post because he had been offered a better job.
A．resigned
B．retired
C．dismissed
D．fired
日光灯电路的灯管电压与镇流器两端电压和电路总电压的关系为（）
