一、光的直线传播1.图1是成因的示意图(选填“日食”或“月食”)。(2005年贵港市钦州市来宾市中考)图2解析我们可用光的直线传 播来解释日食、月食、影子、小孔成像等现象;日食是地球运行到月球的影子区域内引起的,此时太阳、月亮和地球在一直线上,因此,本题示意的是“日食”成 First, the linear transmission of light 1. Figure 1 is a schematic diagram of the cause (optional “Eclipse” or “Eclipse”). (In 2005, the entrance exam in Laibin City, Qinzhou City, Guigang City) Figure 2 illustrates the eclipse, eclipse, shadow, and pinhole imaging that can be explained by the straight line of light that we can use. The eclipse is caused by the Earth’s movement into the shadow of the Moon. At this point, the sun, the moon, and the earth are in a straight line. Therefore, this question indicates that the “Eclipse” has become