问题
单项选择题
组合逻辑控制器与微程序控制器相比( )
A．组合逻辑控制器的时序系统比较简单
B．微程序控制器的时序系统比较简单
C．两者的时序系统复杂程度相同
D．微程序控制器的硬件设计比较复杂
答案
参考答案：B
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组合逻辑控制器与微程序控制器相比( )
A．组合逻辑控制器的时序系统比较简单
B．微程序控制器的时序系统比较简单
C．两者的时序系统复杂程度相同
D．微程序控制器的硬件设计比较复杂
参考答案：B
| 句型转换填空。 |
| 1. He has never surfed, _____ _____ ? (改成反意疑问句) 2. They have been here since 2000. (对划线部分提问) _____ _____ have they been here? 3. The old man _____ last year. He _____ _____ _____ for a year. (die) (动词填空) 4. This factory opened twenty years ago.(同义句转换) This factory _____ _____ _____ for twenty years. 5. Miss Gao left an hour ago. (同义句转换) Miss Gao _____ _____ _____ an hour ago. 6. Her mother has been a Party member for three years .(同义句) Her mother _____ the Party three years_____ . 7. The Green Family moved to France two years ago. (同义句转换) _____ two years _____ the Green family moved to France. 8. The bus has arrived here. It arrived ten minutes ago. (把两个句子合并成一个句子) ______________________________________. |