A:12
B:12或15
C:15
D:不能确定
下图是20世纪50年代末,我国编写的一本扫盲识字课本,上面有“苦战十五天,摘掉文盲帽”的口号,该口号实质上反映出( )
现实生活中,通过他人能更好地认识自我。下列名句揭示的道理能印证这一观点的有( )
——Excuse me, haven't you learned the new law? Everyone in a car must wear the seat belt.——Sorry, we won't do that again.
X=____