●依法受到保护的计算机软件作品必须符合下述条件 (65) 。

　　(65) a.a、b和c

　　b.可被感知

　　c.逻辑合理

　　d.独立创作

　　●the cpu is composed of two components，which are (66) .

　　(66) a.asthmatics logic unit and controller

　　b.arithmetic logic unit and memory

　　c.memory and controller

　　d.controller and storage

　　● (67) is a sequence of letters and digits，the first character must be a letter.

　　(67) a.an identifier

　　b.a string

　　c.an array

　　d.a program

　　●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.

　　(68) a.smile

　　b.skip

　　c.smoke

　　d.specify

　　(69) a.add

　　b.added

　　c.adding

　　d.additional

　　(70) a.when

　　b.where

　　c.who

　　d.which

　　(71) a.get

　　b.make

　　c.push

　　d.pull

　　(72) a.first

　　b.last

　　c.next

　　d.second

　　●in c language，the usual expression statements are (73) or function calls.

　　(73) a.i/os

　　b.operations

　　c.assignments

　　d.evaluations

　　● (74) is a contiguous，numbered set of variables of a given base type，which can be used and passed to functions as a unit.

　　(74) a.record

　　b.array

　　c.parameter

　　d.file

　　●tcp service is obtained by having both the sender and the receiver create and points，which are called (75) .

　　(75) a.network address

　　b.supenet address

　　c.socket

　　d.ip address