储存易燃易爆物品的仓库保管人员“一日三查”是指（）。
A.上班后检查
B.当班中检查
C.下班前检查
D.夜晚巡查
参考答案：A, B, C
含有硝基乙烯二胺结构片断的抗溃疡药物是（）
A.法莫替丁
B.奥美拉唑
C.西咪替丁
D.雷尼替丁
E.罗沙替丁
Bill Jones is creating a charitable trust to provide six annual payments of $ 20000 each, beginning next year. How much must Jones set aside now at 10 percent interest compounded annually to meet the required disbursements（）
A. $ 95815.74.
B. $ 87105.21.
C. $169743.42.
