题目内容

适合做单流程的程序,一般具有以下特性( )

A. 就是一个复杂的状态
B. 就是一个程序
C. 就能够将这个程序分解成很多不同的工序
D. 就能按照时间或者工序顺序连接

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单流程不允许返回到初始状态()

A. 对
B. 错

I have lived here ________at least twenty years.

A. for
B. since

I _____ to take a good holiday this year, but I wasn't able to get away.

A. hope
B. have hoped
C. had hoped
D. hoped

I hope you______ the instructions ready before I come tomorrow.

A. to get
B. shall get
C. will get
D. will have gotten

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