单项选择题

A．Nobody.
B．The two girls.
C．The bus driver.
D．Paul.
<上一题 目录 下一题>
热门 试题

单项选择题
According to the passage it is commonly believed that brain differences are caused by ________factors.
A．biological
B．psychological
C．physical
D．social
填空题
survives
相关试题