通电后（）带状检影镜上的套管时，可使光源灯丝像旋转360°
A、上下移动
B、转动
C、推动
D、按动
参考答案：B
15. With the reform of educational system, the teachers_____school I worked before have greatly changed their way of teaching.
A．in whose
B．whose
C．in which
D．Which
该病的治法是：
A．温中化湿，健脾和胃
B．除湿化浊，泄热退黄
C．清热利湿，佐以泻下
D．活血化瘀退黄
E．以上都不是
