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问题 单项选择题

下列选项中没有正确描述我国职业纪律（又称劳动纪律）特征的是（）。

A．职业纪律是由劳动行政部门制定的 

B．职业纪律是为了劳动者的自身利益服务的 

C．职业纪律是由劳动者自觉遵守的纪律 

D．职业纪律是劳动者自愿执行的纪律

答案

参考答案：A

单项选择题

起重作业指从事起重作业时引起的机械伤害事故，以下不属于起重伤害事故的是（）。

A.起重作业时故障停车

B.起重作业时钢丝绳断裂抽人事故

C.起重作业时吊物撞人事故

D.起重设备在使用、安装、检修、试验过程中的倾翻事故
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单项选择题

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (66) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (67) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’ s address book ,previous emails, web pages (68) .
As administrators seek to block dangerous email attachments through the recognition of well- known (69) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd plus a whole list of other extensions and will still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (70) access to your network.

A．cracker

B．user

C．customer

D．client
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