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小学科学知识趣味学16：如何在恶劣的天气中保证安全？
这一天，光头强开着车行驶在林间的小路上，他打开收音机，听到天气预报说，一场大型雷雨即将来临。光头强抬头看了看天空...
小学科学知识趣味学16/81
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