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【判断题】
系统安全分析是通过揭示系统中可能导致系统故障或事故的各种因素及其相互关联来识别系统中的危险和有害因素，该方法经常被用来辨识可能带来严重事故后果的危险和有害因素，也可以用于辨识没有事故经验的系统的危险和有害因素。A.
正确
B.
错误
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举一反三
【单选题】He was busy yesterday,otherwise he to the meeting.
A.
would come
B.
would have been
C.
could have been
D.
would be
【简答题】国防的根本目的和任务是: ?
【单选题】He was busy yesterday otherwise he __to the meeting.
A.
would have come
B.
would come
C.
could come
D.
had come
【单选题】He was busy yesterday, otherwise he ________ the meeting
A.
would come
B.
came
C.
would have come
D.
had come
参考解析：
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