心理生理性失眠的特征有
A．条件性唤醒
B．习得性阻睡联想
C．首夜颠倒性效应
D．睡眠幻觉
E．无意识入睡
参考答案：A,B,C,E
The two brothers are talented in maths, and both of them won the first prize of maths competition. [ ]
A. similarly
B. familiarly
C. frequently
D. correctly
影响市场营销的宏观环境包括（）。
A.人口环境
B.经济环境
C.技术环境
D.政治环境
E.渠道商
