色甘酸钠预防哮喘发作的主要机制是: A.直接松弛支气管平滑肌 B.稳定肥大细胞膜,抑 发布时间:2018-04-20 14:06 │ 来源:www.tikuol.com 题型:单项选择题 问题: 色甘酸钠预防哮喘发作的主要机制是:A.直接松弛支气管平滑肌B.稳定肥大细胞膜,抑制过敏递质释放C.阻断腺苷受体D.促进儿茶酚胺释放E.激动β2受体
题型:单项选择题 You can depend on it that I'm trying to do what is best, but _____ I have got to consider the cost. [ ]A. equallyB. merelyC. nearlyD. mostly 查看答案