帕金森病常见下列哪种步态（）
A.剪刀样步态
B.慌张步态
C.醉酒步态
D.跨阈步态
E.摇摆步态
参考答案：B
A．(A) Only 25 to 30 college graduates will be short-listed for the interview.
B．(B) The applicants will be asked to do a qualification test.
C．(C) No one but 25 to 30-year-old college graduates can apply for the job.
D．(D) The department needs 25 to 30 college graduates to finish the evaluation.
按高压电容器部颁技术条件，电力电容器应能承受100倍Icn的涌流冲击，每年不超过()次。
A.500
B.1000
C.2000
D.3000
