问题 问答题 简答题

简述危险和危险因素的概念。

答案

参考答案:

危害是指可能造成人员伤害、职业病、财产损失、作业环境破坏的根源或状态。危险是指特定危险事件发生的町能性与后果的结合。总的说来,危险、危害因素是指能对人造成伤亡、对物造成突发性损坏或影响人的身体健康导致疾病、对物造成慢性损坏的因素。

通常为了区别客体对人体不利作用的特点和效果,分为危险因素(强调突发性和瞬间作用)和危害因素(强调在一定时间范围内的积累作用)。有时对两者不加以区分,统称危险因素。

改错题

短文改错(共10小题;每小题1分,满分10分)

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(V );如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(  ),在该行右边的横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原文没有错的不要改。

Dear John,

How are you? I’ve got a wonderful news to tell you.                        86.                      

Last month one hundred and twenty students took the exam                            87.                      

for further education in Australia. Only a little were choose                            88.                       

and I was one of them. Therefore, my parents are not                              89.                      

happy about it. They are against my go there. Firstly.                              90.                      

they say it is too far away that they will not see me for a whole                91.                year. Secondly, they don’t want me to live alone. They advised         92.                ____

me to study in the capital that I can continue to live                          93.         ________

with them. What can I persuade them to accept the fact                           94.                      

which I have grown up?                                                                       95.                      

Yours,

Li Hua.

单项选择题