A:play, him
B:plays, himself
C:playing, himself
D:playing, him
读图,完成下列问题。
一只猴子每天都要吃桃子,如果它每天吃的桃子的个数都不相同,那么100个桃子至多可以吃( )天.
下列关于神经兴奋的叙述,错误的是( )