数轴上一个点到原点的距离等于6.2，这个点表示的数是（）．

补全对话，每空一词。

W : Welcome __1__ our talk show.

M : Thank you __2__ are we going to talk about?

W : What __3__ fashion?

M : Good! I'd like to talk about this topic.

W : These days.  many people color their hair yellow.  brown.  even green and red . what do you __4__ 

      of it?

M : Oh.  this __5__ is hard to answer. For me . black hair looks more __6__ because we chinese have

      black eyes.  black hair goes __7__ with black eyes.

W: Right .but different styles can __8__ others who you are fashion changes with the times. Modem 

     people want to show their __9__ styles. In fact.  colored hair cooks cool.

M : Maybe you are right. But I just want to say you teenagers are__10__ from us. That's all.

W: Can we talk about something else?

古代奴隶制社会最发达最完备的法律体系是( )。

A．日耳曼法

B．模形文字法

C． 罗马法

D．古希腊法

安全管理的“四个凡事”内容是什么？

班组人员需求变更问题首先上报（），如确实需要修改，由其汇总后通过生产管理运维系统提报。

A.PMS系统管理员

B.PMS关键用户

C.PMS联络人

买入汇率