我国小儿传染病的计划免疫有
A.结核菌灭活菌液
B.麻疹减毒活疫苗
C.百日咳菌液、白喉类毒素、破伤风类毒素
D.脊髓灰质炎灭毒死疫苗
E.以上都是
参考答案:B,C
The manager decided to give the job to ____ he believed had a strong sense of duty.
A.whoever
B.whomever
C.who
D.those
商友卡目前汇款优惠套餐有()种。
A、6
B、7
C、8
D、9