什么是档案编纂?
参考答案:
按照一定的题目、体例和方法编辑档案文献的活动。
My sister ______ me. I have to leave now. [ ]
A. waits for
B. waited for
C. is waiting for
D. was waiting for
ITM多功能定时开关中EEPROM是什么,其功能是什么,是必选件吗?