【单选题】
下列属于牙周病的二级预防的是
①
口腔健康教育和指导
②
培养定期进行口腔检查的习惯
③
消除病变，制定相应的常规初查计划
④
采用各种药物和牙周手术方法，最大限度的治愈亚洲组织病损
【单选题】
为了限制火灾蔓延以及减少爆炸损失,下列哪个是不正确的( )。
①
根据所在地区的风向,把火源置于易燃物质的上风
②
厂址应该靠近水源
③
采用防火墙、防火门等进行防火间隔
④
为人员、物料、车辆提供安全通道
【单选题】
为了限制火灾蔓延以及减少爆炸损失，下列哪个是不正确的（ ）。
①
为人员、物料、车辆提供安全通道?
②
厂址应该靠近水源
③
根据所在地区的风向，把火源置于易燃物质的上风
④
采用防火墙、防火门等进行防火间隔
【单选题】
积极预防冠状动脉粥样硬化的发生，采用生活干预下列说法不正确的是（）
①
维持正常的体重
②
适当的体力活动
③
经常饮烈酒，吸烟
④
保持健康的生活方式
⑤
积极治疗相关疾病
【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
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②
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③
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④
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【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
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