15. 嵌入式系统本身是一个相对模糊的定义。 A. 错误 B. 正确 ...
10. 嵌入式系统一定等同于单片机系统。 A. 错误 B. 正确 ...
5. 嵌入式系统一般采用非实时操作系统。 A. 错误 B. 正确 ...
10. 由于嵌入式系统一般是应用于小型电子装置,并且系统资源相对有限的场合,所以嵌入式系统具有()特性。 A. 功耗低 B. 具有专用性 C. 实时性强 D. 系统内核小 ...
5. 20世纪80年代初,Intel研制成功了()系列单片机。 A. MCS8051 B. VTRX32 C. CPU326 D. MCU485 ...
10. Jimmy realized before it was too late that excessive drinking would do harm at his health. A. 错误 B. 正确 ...
14. He studied economics in his youth, _____ contributed to his great success in later life. A. that B. it C. what D. which ...
20. Since none of us knew French, Paul had to ____ the lectures for us. A. interpret B. institute C. project D. recommend ...
3. I could _____ believe that he worked so _____ there. A. hardly ... hard B. hardly ... hardly C. hard ... hard D. hard ... hardly ...
13. You could feel the ____ in the room as we waited for our exam results. A. atmosphere B. tension C. relief D. caution ...