帕金森病患者常见的异常步态是（）
A.慌张步态
B.剪刀步态
C.画圈步态
D.短腿步态
E.蹒跚步态
参考答案：A
—They say Tom’s brother is a billionaire.
—________？ He wouldn’t accept any help from his brother，even though it was offered.
A．What if
B．What for
C．So what
D．Forget it
某工厂要生产4500个零件，计划25天完成，实际提前5天完成，实际每天生产多少个零件？
