天灸又称( )
A．温和灸
B．药物灸
C．灯火灸
D．黄蜡灸
参考答案：B
输出或输入交流电能的旋转电机，称为（）电机。
The film Harry Potter was quite _____ hit across the world, bringing in ____ income of box office of over millions of dollars within five months.[ ]
A. /; an
B. a; /
C. a; an
D. a; the
