We usually watch TV the evening.[ ]
A. in
B. on
C. at
D. of
答案:A
猩红热首选治疗方法是()
A.复方新诺明3~5天
B.利福平3~5天
C.庆大霉素5~7天
D.头孢曲松7~10天
E.青霉素7~10天
热堆