【判断题】【消耗次数：1】
数据流图就是用来刻画数据流和转换的信息系统建模技术。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【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
【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
【单选题】
数据流图用于抽象描述一个软件的逻辑模型,数据流图由一些特定的图符构成.下列图符名标识的图符不属于数据流图合法图符的是( )。
①
控制流
②
加工
③
数据存储
④
源点和终点
随机题目
【单选题】
The prices of the agricultural products have been ____ steadily in the past few years.
①
risen
②
raised
③
arisen
④
aroused
【单选题】
The organization has developed several techniques useful to other groups ____ the similar work.
①
to do
②
do
③
does
④
doing
【单选题】
____ it is you found, you must give it back to the person it belongs to.
①
That
②
Because
③
Whatever
④
However
【单选题】
If you don’t think it necessary to make ____ any missed lessons, speak up now.
①
up for
②
up with
③
up to
④
away for
【单选题】
No sooner had he sat down to lunch ____ there was a knock at the door.
①
when
②
that
③
as
④
than
【单选题】
When the teacher had ____through with the class, they felt very ashamed.
①
gone
②
got
③
done
④
taken
【单选题】
“Which of these two ties will you take?” “I’ll take ____to give me a change sometimes.”?
①
either ?
②
both ?
③
neither ?
④
all?
【单选题】
No one, except his two best friends ____his joy or sorrow in his life.
①
shares
②
share
③
sharing
④
to share
【单选题】
As a result of the unfavorable working conditions, the project has to be put off____.
①
temporarily
②
tremendously
③
traditionally
④
typically