【判断题】【消耗次数：1】
数据流程分析的主要工具是数据流图、数据字典和加工说明。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【简答题】
数据字典的主要内容包括：数据项、[填空1]、数据流、 数据存储 和处理过程。
【单选题】
数据流图的基本符号包括：（ ）。
①
数据流、加工、文件、数据源和终点
②
数据流、处理、加工、数据源和终点
③
数据流、数据流名、加工、处理
④
数据源、加工、文件、外部项
随机题目
【单选题】
14. I didn’thear the phone. I ______ asleep.
①
must be
②
must have been
③
should be
④
should have been
【单选题】
11. I thought you _____ like something to read, so I have bought you some books.
①
may
②
might
③
could
④
must
【单选题】
3. Few of them hurt themselves in the accident last night, ____ ?
①
but
②
and
③
though
④
so
【单选题】
9.The old farmer, ____the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.
①
supporting
②
having supported
③
being supported by
④
being supported
【单选题】
5.____the front door____, he had to enter the room through the back door.
①
Seen, painted
②
Seeing, painted
③
Being seen, being painted
④
Seeing, being painted
【单选题】
16. As I will be away for at least a year, I’d appreciate____ from you now and then so that I can know how everyone is getting along.
①
having heard
②
to hear
③
hearing
④
beingheard
【单选题】
7.He looked around and caught a man____his hand into the pocket of a passenger.
①
put
②
to be put
③
to put
④
putting
【单选题】
14.The thief fell to the ground，his left foot ____and blood ____down from his mouth.
①
breaking; running
②
broken; running
③
breaking; run
④
broken; run
【单选题】
18.- Did you get a dictionary?- No, I _____, but there were not any _____.
①
tried; to be left
②
had tried to; leaving
③
tried to; left
④
had tried; have left