远志的功效是（）
A.凉肝息风
B.消肿止痛
C.通经活络
D.宁心安神
E.镇心安神
参考答案：D
抑郁发作睡眠障碍的突出特点是（）
A.入睡困难
B.早醒
C.嗜睡
D.多梦
E.睡眠-觉醒节律异常
—Will Mr. Black go to the opening ceremony this weekend?
—No, he has finally decided _____.
A．not
B．not to
C．not to go
D．not to go to
