什么是不正当竞争行为，其危害表现在什么地方？

斜井运送危险品时，有什么安全规定？

牵张反射的反射弧不直接涉及

A．肌梭

B．Ⅰ类传人纤维

C．Ⅱ类传人纠维

D．慢肌纤维

E．1运动神经元

Man: You are looking a little overwhelmed.Man: Exactly, you know. I got a million things to do, and all of them have to be finished within three hours.Question: What does the woman mean

A．She's proud of being able to do many things at the same time.

B．She is sure to finish all the things in a few hours.

C．She dreams of becoming a millionaire someday.

D．She's been kept extremely busy.

头晕目眩、耳鸣，腰膝痠软多见于（）

A.肝阴虚证

B.肝阳上亢证

C.肝血虚证

D.肝火上炎证

E.肝胆湿热证

加工中心的突出特征是设置有（）。这是它与数控铣床、数控镗床等机床的主要要区别。

A.交换工作台

B.自动换刀装置

C.排屑装置

D.自动润滑装置