A:对人冷漠,袖手旁观
B:安于现状,不思进取
C:只顾个人,不顾集体
D:回避矛盾,明哲保身
I prefer skiing to climbing because I think climbing is skiing.
下列有关细胞分化、衰老及凋亡的叙述,不正确的是( )