【判断题】【消耗次数:1】
由于风险具有发生及后果的不确定性,因此风险也就不能被测量和控制。
正确
错误
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④  理论风险
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随机题目
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【单选题】 Which of the following is true about pronunciation teaching?
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①  using minimal pairs, odd one out
②  Which order, completion
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