螺旋体感染首选()
A.头孢噻肟
B.青霉素G
C.庆大霉素
D.异烟肼
E.甲硝唑
参考答案:B
Recently our class held a fierce _____ as to whether cameras should be installed in public areas.
A.conflict
B.debate
C.bargain
D.contest
有关维生素B12所致的巨幼红细胞性贫血的描述,错误的是
A.精神神经症状突出
B.血清维生素B12含量低于100ng/L
C.维生素B12治疗有效
D.重度贫血者可予输血治疗
E.应先加用叶酸联合治疗