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第一部分(50分) 一、填充题(每空1分,共21分) 1.光从水中斜射入空气时,折射角___入射角。 2.放大镜应选用___镜;医生检查耳道应选用___镜。 3.池中水的深度是2.5米,月球到水面的距离是3.8×10~5千米,月球在水池中的像到水面的距离是___。 4.水的比热是1卡/(克·℃),读作___。 5.人造地球卫星上的某些部件涂成__色,是为了更多地吸收太阳能。 6.人被100℃的水蒸气烫伤往往比等质量的开水烫伤更严重,是因为水蒸气___时放出大量的热。
The first part (50 points) First, fill the question (1 point per empty, a total of 21 points) 1. Light obliquely into the air from the water, the angle of refraction ___ incident angle. 2. Magnifier should use ___mirror; doctors should use ___scope to inspect ear canal. 3. The depth of the water in the pond is 2.5 meters. The distance from the moon to the water surface is 3.8 x 10~5 kilometers. The distance from the moon in the pool to the water surface is ___. 4. The specific heat of the water is 1 card/(g·°C), read as ___. 5. Some components on artificial satellites are painted in __ colors to absorb more solar energy. 6. People who are burned with water vapor at 100°C are often more severe than burns with equal mass of boiling water because of the large amount of heat released by water vapor.