Предмет: Английский язык, автор: ринат96

10 предложений с at и 10 предложений с on

Ответы

Автор ответа: parljukljuba
0
1 the train to moscow leaves at 10 o'clock
2 i prefer to wake up at sunrise
3 my girlfriend adores walking with me at sunset
4 i met my old friend at the bus stop
5 let's meet at the bank near my house
6 he works at the hospital
7 i live at 123 fake street
8 i love getting present at Christmas
9 the zoo opens at 12 o'clock
10 the film starts at 10 o'clock

1 i play golf on Sunday evening
2 the cat is on the table
3 the picture is on the wall
4 the dog is on the sofa
5 the children are playing on the floor
6 the sister is sitting on the windowsill
7 the teacher is writting on the blackboard
8 the ball is on the grass
9 the book is on the shelf
10 my mother is lying on the beach
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The software development process is almost invariably guided by some systematic software development method (SDM). Referred to by a number of terms, including process models, development guidelines, and systems development life cycle models (SDLC), software development methods nevertheless generally include the same development phases:

• The existing system is evaluated and its deficiencies identified, usually through interviewing system users and support personnel.
• The new system requirements are defined. In particular, the deficiencies in the existing system must be addressed with specific proposals for improvement.
• The proposed system is designed. Plans are laid out concerning the physical construction, hardware, operating systems, programming, communications, and security issues.
• The new system is developed. The new components and programs must be obtained and installed. Users of the system must be trained in its use, and all aspects of performance must be tested. If necessary, adjustments must be made at this stage.
• The system is put into use. This can be done in various ways. The new system can be phased in, according to application or location, and the old system gradually replaced. In some cases, it may be more cost-effective to shut down the old system and implement the new system all at once.
• Once the new system is up and running for a while, it should be exhaustively evaluated. Maintenance must be kept up rigorously at all times. Users of the system should be kept up-to-date concerning the latest modifications and procedures.
The systems development life cycle model was developed as a structured approach to information system development that guides all the processes involved from an initial feasibility study through to maintenance of the finished application. SDLC models take a variety of approaches to development.