震颤麻痹的病人不随意运动的特点是（）
A.静止性震颤
B.动作性震颤
C.细微震颤
D.扑翼样震颤
E.老年性震颤
参考答案：A
The girl _____ to be a good dancer if she is well trained in an art school. [ ]
A. expects
B. allows
C. wishes
D. promises
道床具有哪些功能？
