按照风险因素发生的可能性，可以将风险划分为五个档次，其中有关中等风险概率叙述正确的有（）。
A、81%～100%，意味可能在项目中预期发生BE
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AsfarasAustraliancultureisconcerned,thehistoryofAustraliacanbedividedintothefollowingphaseswiththeexceptionof________.
Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
Pleasewriteareport_______theabovesubjectsaretobecovered.
TheaveragelifeexpectancyoftheRedIndiansis________.
Heinsuredhiscar________hehadanaccident.
