根据旅客列车急救药箱管理办法的规定，每趟列车上要有（）名以上经过红十字会救护员培训合格的乘务员。
E、急
参考答案：B
—Do you know the boy _____ is sitting next to Peter?
—Yes. He is Peter's friend. They are celebrating his _____ birthday. [ ]
A. who; ninth
B. that; nineth
C. /; nineth
D. which; ninth
民兵分队进行战备等级转换时限是通常民兵参战支前分队由平时转入三伋战备时间为1天，三级转入二级战备时间为2--3天，二级转入一级战备时间为1--2天。直接由平时转入一级战备的时间为（）。
A.3天
B.4天
C.5天
D.6天
