雄蜂的青春期在羽化后12-27天。
参考答案:错
I must have seen him somewhere before, but his name ________me for the moment.[ ]
A. fled
B. forbade
C. escaped
D. forgot
根据界值特征曲线(ROC分析)的判断标准,如果真阳性率与假阳性率相近()
A.有助于排除疾病存在,判定为正常
B.提示很可能正常
C.只提示可能有病
D.很可能有病
E.可以肯定有病