歌曲《扎红头绳》曲调欢快，表现了杨白劳与喜儿相聚时的快慰心情，是歌剧（）的选段？ ["《江姐》","《洪湖赤卫队》","《白毛女》","《太阳出来了》"]
柜员在办理每笔业务时要认真核对客户凭证、凭单各要素，坚持核对客户分户账上的（）相符，防止串户 ["账号","户名","金额","储种"]
肾功能衰竭少尿期最常见的死因是（） ["水中毒","代谢性酸中毒","BUN↑","高钾血症","低钠血症"]
齿轮装配轴向间隙一般在（）。 ["A、0.45~0.60","B、0.25~0.45","C、0.15~0.30","D、0.05~0.15"]
环烯醚萜
挥发油
