精选优质文档-倾情为你奉上1. A D copy is a copy of a current file made in order to protect against loss or damage.备份拷贝是为了防止丢失或损坏而制作的当前文件的副本。A. softB.fileC.hardD.backup2.The most commonly used tool in the design phase is the D.在设计阶段最常用的工具是结构图A.topology chartB.flowchartsC.object-relationship chartD.structure chart3. A refers to the parts of the computer that you can see and touch.硬件指的是你能看到和触摸到的电脑的各个部分A. HardwareB.InstructionC.HardshipD.Software4. if we
