【单选题】国家间收入水平存在差距的基本原因在于_______。
【判断题】因为有的地方没有扶手,大人孩子上山、下山时都不太安全
【单选题】关于精神患者的康复工作,以下哪项不对 ()
A.
需要患者、家庭成员、朋友、社会人士与医务人员的密切配合
【单选题】When they had finished playing, the children were made to ______ all the toys that they had taken out.
【简答题】砌墙砖按照生产工艺可以分为( )和( )。
【单选题】The children______________many times not to get closed to the fire.