问题
单项选择题
利用安全检查表对生产系统进行评价时，检查表应将系统可能导致事故发生的( )全部列出。
A．人的不安全行为的概率
B．物的不安全状态的频率
C．管理缺陷的次数
D．不安全因素
答案
参考答案：D
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利用安全检查表对生产系统进行评价时，检查表应将系统可能导致事故发生的( )全部列出。
A．人的不安全行为的概率
B．物的不安全状态的频率
C．管理缺陷的次数
D．不安全因素
参考答案：D
Being on the road at 3:15 a. m. to drive 450 kms wasn’t in my plans for the weekend. I had been looking forward to a couple of 1 days to prepare myself for the following busy 2 . My son, Simon, and his good friends were heading for the 3. Due to the last-minute issue（问题）with transportation, I 4 my car to make sure that everyone could get to the 5 point so that they could get together and enjoy their week’s 6 by snowboarding and skiing. The only thing that 7 to me on my journey was that no sooner had I 8 and said goodbye than I would make the trip 9 ，in total, a round trip of 900 kms in just 10 hours. Such a long drive in one day was frightening, 10 as I was looking forward to relaxationSimon and I 11 , on our way, about his break and a whole lot of his school subjects. It was great to have this time with him as we 12 spent five continuous hours together, other than when we played Saturday cricket (板球). On my return trip, I 13 a strange sense of loneliness in some heavy morning 14 . Within an hour it 15 . I spent the next four hours listening to some CDs and enjoying the scenery. Surprisingly, after my long trip home I was 16 refreshed and energized even though I was physically exhausted. And I knew that I would have a(n) _17 sleep that evening. A change 18 your environment, no matter how great, can provide you with the opportunity to 19_ something from different angles（角度）, as well as to be refreshed and energized. Now I’m looking forward to my next 20 event and many more opportunities to spend quality time with those who are important to me and make my life more rewarding.
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