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1.在舞台上用干冰使演员置身于白雾中,你能说出其中的道理吗? 解析:常温下干冰很快升华成气态,并且在升华过程中要从周围的空气中吸收大量的热.所以干冰
1. On the stage, using dry ice to put actors in a white mist, can you tell the truth? Analytical: Dry ice quickly sublimates into gas at room temperature and absorbs a lot of heat from the surrounding air during the sublimation process. So dry ice