流感疫苗在（）部位接种
A.臀部
B.上臂三角肌
C.大腿前内侧肌内注
D.大腿前外侧肌内注射
参考答案：B
Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.
A．were having
B．had had
C．were to have
D．had
输血最严重的并发症是（）。
A.非溶血性发热
B.细菌污染反应
C.病毒性肝炎
D.溶血反应
E.过敏反应
