如图所示的四种现象中光沿直线传播的是 A.在岸上看到水中的腿变“短 了b.平静湖面上群山的倒影c.透过玻璃砖看到钢笔“错位 了d. 手影 Template




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tomski如图所示的四种现象中光沿直线传播的是 a.在岸上看到水中的腿变“短 了b.平静湖面上群山的倒影c.透过玻璃砖看到钢笔“错位 coloring