接种卡介苗属于() A.自然自动免疫 B.自然被动免疫 C.人工自动免疫 D.人工被 发布时间:2017-06-29 16:13 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 接种卡介苗属于()A.自然自动免疫B.自然被动免疫C.人工自动免疫D.人工被动免疫E.被动自动免疫
题型:单项选择题 B1型题 —What's the matter with you?—I caught bad cold and had to stay in bed. [ ]A. a; / B. a; the C. a; a D. the; the 查看答案