A:能够调节生物种间关系,以维持生态系统的稳定
B:该信息属于行为信息
C:维持生物体正常生命活动,调节生物内环境的稳态
D:对生物进行自然选择,促进生物进化
The policeman told the children _________ play in the street.
Bethune came to China to help the Chinese people and ____ ____ them.
拆____ 允____ 漂____ 旅____ 园____
折____ 充____ 飘____ 族____ 圆____