【单选题】在假设检验中,通常犯第一类错误的概率称为
【单选题】There ought to be less anxiety over the perceived risk of mountain climbing than ______ in the public mind today.
【单选题】慢性阻塞性肺疾病的诊断中,最有价值的实验室检查方法是()
【单选题】哪项肺功能对慢性阻塞性肺疾病的诊断最有价值
【简答题】A.relieved B.conceived C.deceived D.perceived