A:意识可以正确地反映客观事物
B:意识对客观事物的发展起促进作用
C:主观能动性的发挥必须以尊重客观规律为前提
D:世界上只有尚未认识之物,没有不可认识之物
The students had much fun soccer after school.
— He is of medium build and has straight hair.