关于双相障碍的非典型症状，下列哪项正确（）
A.精神运动性激越
B.食欲减退
C.灌铅样麻痹
D.睡眠过多
参考答案：C, D
____ was expected, he broke his promise once more, ____ let his parents down. [ ]
A. It; which
B. As; which
C. It; as
D. Which; which
一般事故，负责事故调查的人民政府应当自收到事故调查报告之日起( )日内作出批复。
A．15 B．20C．25 D．30
