单项选择题
Researchers at Children's Hospital of Pittsburgh announced they had discovered ______ evidence that a virus is involved in what used to be called juvenile diabetes.
单项选择题 下列各项，适用采取“补法”的是（）
单项选择题 一个善于授权的领导者的基本品质是（）。
单项选择题 患者高热1周。检查：体温40℃，脉搏90次/分，血白细胞4.0×109/L，嗜酸粒细胞消失。应首先考虑的是（）
