A:12
B:14
C:15
D:16
The police are trying to find out whether he was killed or he killed____(he).
山____
三____
伞____
闪____
A.sān
B.sǎn
C.shān
D.shǎn
蚂蚁的群体中,个体之间有分工合作,有等级现象,可见蚂蚁具有( )