杂草种子浸入农田的途径及预防措施？

戏曲作品：《西厢记》

二次函数y=-（2x-4）（x+3）的图象与x轴的交点坐标为______．

（68） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.

A．Project managers

B．Project team members

C．Sponsor s

D．Project stakeholders

)