A:哲学的智慧产生于人类的实践活动
B:每个人都能在实践活动中形成哲学智慧
C:认识世界、办好事情,都需要哲学智慧
D:学习哲学使人聪明
如图是草原生态系统中兔数量与植物数量变化的模式图.
I've become good friends with several of the students in my school _______ I met in the English speech competition last year.