2011年，袁隆平院士领衔的科研团队实现超级杂交稻平均亩产达到多少公斤，刷新了水稻大面积亩产世界纪录？
参考答案：
926.6公斤
社会福利措施费用主要来自______。
A．社会福利的服务对象B．用人单位C．私人捐助D．国家和地方财政
At the end of the closing process group，（）.
A．it is verified that the defined processes are completed within all the process groups to close the project phase
B．it is determined that the product of the project is completed satisfactorily
C．project management plan is written off by the project sponsor
D．new change requests are initiated as required
