光照图的判读是大多数同学感到棘手的高考必考内容,下面就这方面的解题技巧给同学们做一下示范,希望大家能有较多收获。一、突出直射点如果地球是透明的,照射到地球表面的太阳光线,只有一条光线能够经过地球球心,这条光线与地球表面的交点则为直射点。直射点位于昼半球的最中央。从直射点处,我们可以获取如下知识: Interpretation of light map is that most students feel difficult to take the entrance exam content, the following problem-solving skills in this area to give students a look at the demonstration, I hope we can have more gains. First, highlight the direct point If the earth is transparent, the sun’s rays shining on the surface of the Earth, only a light can pass through the Earth’s center of the Earth, the intersection of this light and the Earth’s surface is a direct point. The direct spot is at the center of the daytime hemisphere. From the direct point, we can get the following knowledge: