One tool that is useful during both analysis and design is the ______，which is a pictorial representation of the items of infonnation(entities)within the system and the relationships between these pieces of information．

A．data dictionary

B．dataflow diagram

C．use case diagram

D．entity-relationship diagram

[单选题] One tool that is useful during both analysis and design is the （72） ,which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.（72）A．data dictionaryB．dataflo

[单选题]One tool that is useful during both analysis and design is the ( )， which i

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[主观题][ ] During negotiations, one should treat an opponent with respect and considerationat all times.

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These two areas are similar _______ they both have a high rainfall during this s

These two areas are similar ______ they both have a high rainfall during this se

2、These two areas are similar ________ they both have a high rainfall during thi

Reading aloud every day is one of most useful methods in learning English.A. aB.

You are allowed one carry-on item and one personal item on most flights, and the