库存现金实行限额管理。需要提取现金时，一律填制“提取现金审批单”，由会计签署意见，经
题型：单项选择题
问题：
库存现金实行限额管理。需要提取现金时，一律填制“提取现金审批单”，由会计签署意见，经（）方可提取。基建拨款账户一律不准提取或支付现金。
A、财务部门负责人批准后
B、单位主官批准后
C、后勤处长批准后
D、上一级主官管部门批准后
题型：单项选择题
-When did you become a volunteer fo
r the elderly?
-Two years ago. I ______ this group since then.[ ]
A. joined
B. took part in
C. have joined
D. have been in