下列各类需要中应当首先满足的需要是
A．缺氧
B．睡眠
C．娱乐
D．与同室病友交谈
E．护士自我介绍
参考答案：A
When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games.
A．sit, watching
B．sitting, watching
C．sit, to watch
D．sitting, watched
变态心理学起源于( )。
A．体液学说B．物质学说C．胆汁学说D．多血质说
