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Get Flash Player As most parts of China enter the hottest season of the year, some Chongqing residents have discovered a novel way to escape the heat: Play mahjong in a cave. The temperature inside the cave was 20 degrees Celsius, while the outside temperature hovered over 30 degrees Celsius all day long. What is the temperature inside the cave? A. 12℃ B. 30℃ C. 20℃ | 
