动力制动包括（）（）（）（）等。
参考答案：电阻制动；再生制动；电磁涡轨道制动；电磁涡流转子制动
— Would she mind playing against her former teammates?
— _____ She is willing to play against any tough players. [ ]
A. I think so.
B. I'm not surprised.
C. Of course.
D. Not likely!
某患者外伤，临床怀疑椎弓峡部断裂。 为诊断椎弓峡部断裂，正确的摄影体位是（）
A.腰椎正位
B.腰椎侧位
C.腰椎双斜位
D.腰骶部斜位
E.腰骶部侧位
