患者女性19岁，患I型糖尿病1年，每日注射胰岛素，平均40iu，近1周因胰岛素用完，而停用胰岛素治疗。乏力3天，昏迷4小时，入院。以下哪项检查是最重要的

A．立即抽血查血糖、血酮体

B．立即行血常规检查

C．立即行CT检查

D．立即做血气分析

E．立即导尿查尿糖

An instruction is made up of operations that (68) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (69) two numbers, it must know (70) the two numbers are. The processor’s job is to (71) instructions and operands from memory and to perform each operation. Having done that, it signals memory to send it (72) instruction.

A．first

B．last

C．next

D．second