【单选题】【消耗次数：1】
冠状动脉的狭窄分为（ ）
①
3级
②
4级
③
5级
④
6级
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综合管理类公务员职级序列分为：一级巡视员、二级巡视员、一级调研员、二级调研员、三级调研员、四级调研员、一级主任科员、二级主任科员、三级主任科员、四级主任科员、一级科员、二级科员、三级科员。
①
Y
②
N
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