kssr bc year 3人行横道的由来
TRANSCRIPT
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本:课 58-59 页本:课 58-59 页
元十单元十单元十单元十单
人行道的由来人行道的由来
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*我 答问你 环节我 答问你 环节
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* 什 古 的为 么 罗马 庞什 古 的为 么 罗马 庞市 常出 交通贝 经 现市 常出 交通贝 经 现阻塞和交通事故?阻塞和交通事故?
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什 到了为 么 19世纪50年代初,在 路马上放置跳石已 不合经
宜?时
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人 又如何解决们放置跳石的问题
?
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我 序排列人行让 们顺横道的由来。。
人 加高人行道,隔 行人和 。们 开 马车
人 混走,交通阻塞和事故不 生。车 时发
汽 多了, 速太快,跳石不再合用。车 车
人 用白 条 明人行横道,取代跳石们 线 标。在交叉路口放置“跳石”, 行人踏着跳石 路让 过马
11
22
33
44
55
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那 一 古代和请说 说 现代的人行横道有什么异
同点?
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共同点……
都 了解决为都 了解决为交通事故而交通事故而建的建的
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古代人行横道 代人行横道现
名称 跳石 斑马线源地发 意大利 市庞贝 英国 敦伦
年代 古 代罗马时 19世纪 50年代外观 在交叉路口,有规则
地放置几 大石 。块 头
用白色 条 明线 标
行人使用方
法
行人踏着跳石穿
路过马
行人走在黑白相间
的斑 上马线
不同点……
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横
由
阻
塞
规
之
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初
超
标
义
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*田先生田先生生出头生出头来来
由
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*走刀走刀开开
超
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*把 字宝赛 贝把 字宝赛 贝了,用泥偷了,用泥偷土代替土代替
塞
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* 夫人见夫人见
规
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*且站在耳且站在耳旁朵 边旁朵 边
阻
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*差点错差点错
义
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*写一写写一写
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画:笔部首:
15
文课 构词:
横 h ngē
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画:笔
部首:
5
文课 构词:
由yóu
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画:笔
部首:
12
文课 构词:
隔gé
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chū
画:笔
部首:
7
文课 构词:
初
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