安装断路器离地的最小距离为（）m。
A.1.5
B.2.0
C.2.8
D.3.80
参考答案：C
_______ was a time _______ women had no right to vote.
A．There , when
B．There , that
C．It , when
D．It , that
常见的毒性中药有哪些
