起重机械，是指用于垂直升降或者垂直升降并水平移动重物的机电设备。其范围规定为( )
题型：多项选择题
问题：
起重机械，是指用于垂直升降或者垂直升降并水平移动重物的机电设备。其范围规定为( )。
A．额定起重量≥0.5t的升降机
B．动力驱动的起重机
C．额定起重量≥1t，且提升高度≥2m的起重机
D．承重形式固定的电动葫芦
E．跨度等于或超过40m的装卸桥和门式起重机
题型：多项选择题
__________, Gao Xiaosong, a famous musician, was sentenced to 6-month imprisonment–the most severe punishment about drunk driving–on June.1.
A public figure though is he B. A public figure though he is
C. Public figure he is though D. Public figure though
he is