Look at the tree. It is big and strong. It has a trunk. The trunk is big and brown. It has branches. They are brown too. Its leaves are green and beautiful. We can see some little flowers on the tree. But we can’t see the roots. They are under the ground.

财政部、科技部、国资委近日联合印发的《国有科技型企业股权和分红激励暂行办法》提出，符合条件的国有科技企业，可采取股权出售、股权奖励等股权激励方式，或项目收益分红、岗位分红等分红激励方式，对企业重要技术人员和经营管理人员实施激励。采取股权、分红激励方式（    ）

①是对生产要素按贡献参与分配制度的调整和完善      ②有悖按劳分配原则，会造成收入差距悬殊

③符合我国的基本国情                                                      ④是对“四个尊重”方针的贯彻，有利于让创造社会财富的源泉充分涌流