【判断题】【消耗次数：1】
数据流图中各构成元素的名称不一定必须具有明确的含义以代表对应元素的内容或功能。
①
正确
②
错误
参考答案：
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相关题目
【简答题】
数据流的含义有时是很明显的，这时可以[填空1]，不需要描述数据流名称。
【多选题】
数据流程图中可能的数据流包括以下哪些情况：
①
从一个外部实体流向处理逻辑
②
从一个处理逻辑流向外部实体
③
从一个数据存储流入、流出
④
从一个外部实体流向另一个外部实体
【简答题】
数据流图中的箭头表示[填空]。
【单选题】
数据流程图的基本元素包括（）。
①
数据流，内部实体，处理功能，数据存储
②
数据流，内部实体，外部实体，信息流
③
数据流，信息流，物流，资金流
④
数据流，外部实体，处理功能，数据存储
随机题目
【单选题】
A: What do you think of the book? B: [填空].
①
Its very interesting
②
I like it very much
③
I dont know the title
④
Its a pleasure
【单选题】
A: Its getting late. Im afraid I must be going now. B: Ok. [填空].
①
See you
②
Take it easy
③
Go slowly
④
Stay long
【单选题】
A: [填空]? B: Do you have a doll?
①
What do you want to sell
②
Shall I help you
③
Do you like a doll
④
What can I do for you
【单选题】
A: Im having a barbecue next Saturday. [填空]. B: Sure. That would be wonderful. What time?
①
I have invited some of my friends to come
②
Will you be free at that time?
③
Im looking forward to it
④
I was wondering if youd like to come
【单选题】
A: Ive got your invitation. B: Oh, good. [填空]
①
Thanks a lot.
②
Ill take it.
③
Can you come?
④
May I help you?
【单选题】
A: Would you mind if I turned the radio off? B: [填空].
①
Yes, please
②
No, go right ahead
③
Yes, thats all right
④
No, thank you
【单选题】
A: Would you like some wine? B: Yes, just [填空].
①
little
②
very little
③
a little
④
little bit
【单选题】
A: Would you like another cup of tea? B: Ive enough. [填空].
①
I would eat anything
②
Thank you by the way
③
Thank you all the same
④
No, anything will do
【单选题】
A: How far is the airport from here? B: [填空].
①
You can take a taxi
②
Ill fly to Paris
③
Its only six hundred dollars
④
Its about thirty miles