哪些个人所得应缴纳个人所得税？
API在（）年提出质量分类，把机油分为三类。 ["1946","1947","1948","1949"]
论述防护林及草皮缺失率的检查计算。
业务信道分配请求次数统计点是（）消息 ["Paging Responce","Channel Assignment Message","Assignment Request","Assignment Completion"]
API分级中重负荷柴油机使用（）级。 ["CA","CC","CB","CD"]
哪些人需缴纳个人所得税？
