A:your; your
B:your; yours
C:yours; yours
下列对“喜怒不形于色”的认识正确的是( )
A man says to his friend,"Guess how many coins(硬币) I have in my pocket(兜). "
The friend says. "If(如果) I guess right,will you give me one of them?"
The man says,"If you guess right,I'll give you both(两个都) of them. "
下列对人体神经系统的叙述正确的是( )
如图所示,∠E=∠F,∠B=∠C,AE=AF,以下结论:①∠FAN=∠EAM;②EM=FN;③△ACN≌△ABM;④CD=DN.其中正确的有( )
下列关于空气成分的说法错误的是