简述吹脱法的基本原理
破伤风抗毒素(TAT)过敏试验法的实施
病人舌苔白腻而滑,多为()。 ["时邪夹湿","外感风寒","食积内停","痰饮内阻","痰湿化热"]
甲氨蝶呤的化学结构类似于() ["叶酸","次黄嘌呤","谷氨酰胺","胸腺嘧啶","尿酸"]
硅沉着病的特征性病变是() ["A.胸膜纤维化","B.肺质地变硬","C.肺气肿","D.肺门淋巴结肿大","E.硅结节形成和肺纤维化"]
单击向上方向键按钮,控制mc影片剪辑向上移动50像素。on(keyPress"()"){_root.mc.y-=50;}