OOO Festival organised a day of traditional folk music to take place on a public holiday. It entered into a contract with a popular folk music group to play at the festival as the main attraction. As the group was in p demand, OOO Festival paid 50% of the group’s fee in advance to secure the booking. It entered into a further contract with OOO Sweep to remove litter and clean the venue after the event had fi nished.One day before the event, the folk music group contacted OOO Festival to inform it that the group’s most important musician had been taken ill suddenly, but a replacement group had been engaged to take the group’s place.Due to an administrative error, OOO Sweep found that they had insuffi cient workers to perform the cleaning duties after the event, but hired another cleaning company to carry out this work.Required:

(a) Examine the implications of the folk music group’s withdrawal from the event and its decision to engage the services of an alternative act to perform in its place. (4 marks)

单位工程施工平面图的设计依据不包括()。

A.项目施工组织总设计

B.单位工程施工方案

C.资源需要量表

D.现场地形图