【单选题】利用单片机的串行口扩展并行I/O接口是使用串行口的 。
【单选题】A: I hear you got a big parking ticket. B: ______.
A.
Yeah. I never realized Lot 3 was only for faculty.
B.
Yeah. But how can I do otherwise?
C.
Big parking ticket? I promise I have got one.
D.
Sorry, I have no idea what will happen if I get a big parking ticket.
【简答题】副型简易测试.doc 副型测试30题.doc
【单选题】日期2005–1–30在Excel系统内部存储的格式是()。
【单选题】MCS-51单片机的串行口工作方式1的波特率是( )。
C.
可变的,通过定时器/计数器T1的溢出率设定。
D.
固定的,为 。 【参考答案】MCS-51单片机的串行口工作方式1的波特率是可变的,通过定时器/计数器T1的溢出率设定。
【单选题】-Do you hear there was _______ fire in the shopping mall last night? - Yes. I never thought _______ fire can be so terrible.