During recessionsA.All of the above are correct.B

The soldiers of peace－keeping force are tall, robust and, above all, resourceful.A．strongB

● Many of the activities performed during the preliminary investigation are still being co

● Many of the activities performed during the preliminary investigation are still being co

● Many of the activities performed during the preliminary investigation are still being co

● Many of the activities performed during the preliminary investigation are still being co

● Models drawn by the system analysts during the process of the structured analysis are （7