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下列图标表示“禁止燃放鞭炮”的是（ ）
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下列图标表示禁止燃放鞭炮的是
在狭窄的空间燃放鞭炮比在野外燃放鞭炮时的响度明显大这是因为在狭小空间声波经过多次_________造
向污染宣战是今年我国世界环境日的主题下列做法有利于保护环境的是
禁止吸烟
燃放鞭炮
多开汽车
乱扔垃圾
燃放鞭炮容易给人身和环境带来危害禁止燃放鞭炮的标志是
在狭窄的空间燃放鞭炮比在野外燃放鞭炮时的响度明显大这是因为在狭小空间声波经过多次造成的
以下消防标志是正确的
禁止烟火
禁止燃放鞭炮
当心火灾—易燃物质
紧急出口
燃放鞭炮容易给人身和环境带来危害禁止燃放鞭炮的标志是
成语震耳欲聋从物理学角度看是形容声音的＿＿＿大在狭窄的空间燃放鞭炮比在野外燃放鞭炮声音格外响亮这是因
下列有关图标或实验操作正确的是
禁止燃放鞭炮
闻气体
禁止吸烟
点燃酒精灯
3.00分燃放鞭炮容易给人身和环境带来危害禁止燃放鞭炮的标志是
在狭窄的空间燃放鞭炮比在野外燃放鞭炮时的响度明显大这是因为在狭小空间声波经过多次造成的．
IV.书面表达满分25分据媒体报道虽有282个城市实施鞭炮禁放令但先后有105个城市解禁有限燃放你作
成语震耳欲聋从物理学角度看是形容声音的大;在狭窄的空间燃放鞭炮比在野外燃放鞭炮声音格外响亮这是因为在
燃放鞭炮过年是中华民族悠久的历史传统也是许多市民希望拥有的权利2006年是北京禁放鞭炮12年之后的首
下列图标中表示禁止燃放鞭炮的是
下列消防标志与其文字相吻合的是①禁止烟火②禁止吸烟③禁止放易燃物④禁止燃放鞭炮
①②
②④
③④
①④
在我国的许多地方春节期间人们喜爱燃放鞭炮下面的四种观点中你认为正确是
放鞭炮能增加节日的喜庆气氛，放鞭炮不能算作噪声
放鞭炮虽然可以烘托节日气氛，但会产生噪声、空气污染问题
放鞭炮没有任何好处
只要用收录机放鞭炮的录音，就不存在噪声污染的问题了
下列图标表示禁止燃放鞭炮的是
在狭窄的空间燃放鞭炮比在野外燃放鞭炮时的响度明显大这是因为在狭小空间声波经过多次造成的．
下列安全图标中表示禁止燃放鞭炮的是
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