An instruction is made up of (41) that specify 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 (42) two numbers, it must know (43) the two numbers are. The processor’s job is to (44) instructions and operands from memory and to perform each operation. Having done that, it signals (45) to send it next instruction.

A．hard disk

B．register

C．memory

D．cache

根据国家有关法规规定，下列( )不属于必须实施工程监理的建设工程的范围。

A．国家重点建设工程

B．零散开发建设的住宅小区

C．关系社会公众利益、公众安全的基础设施项目

D．使用国外资金的建设项目