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【多选题】
风险因素预先分析法的主要过程包括（）。A.
分析系统出现事故的可能类型
B.
调查风险源
C.
识别风险源转化条件
D.
划分等级
E.
追究第三者责任
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举一反三
【单选题】听力原文：She could have closed the garage door. Did she close the garage door?
A.
Yes, she did. I asked her to close it.
B.
No, she didn't though she could.
C.
No, but she is going to close it.
D.
Yes, she did.
【单选题】My wife often forgets the door, but she remembered it when she left yesterday. [ ]
A.
to close, closing
B.
closing, to close
C.
closing, close
D.
to close, close
【简答题】enter into/sign/close a contract
【简答题】She was close to success.
【简答题】She complained to her close friend that she was not happy after her (marry) ______.
【简答题】对于信息的功能特征,它的 表现为维系社会的生存、促进人类文明的进步和自身的发展。
【单选题】如图所示,考虑非线性系统平衡状态受小扰动的影响,故平衡状态 是不稳定的,因为稍有偏离,系统就不能恢复至原平衡状态;而平衡状态 在一定范围的扰动下是稳定的。
A.
x=1 ； x=0
B.
x>1 ； x>0
C.
x<1 ； x>0
D.
x<1 ； x<0
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