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The first man who cooked his food, instead of eating it raw, lived so long ago that we have no idea who he was or where he lived. We do know, however, that 1 thousands of years, food was always eaten cold and 2 . Perhaps the cooked food was heated accidentally by a 3 fire or by the lava(熔岩) from an erupting(爆发的) 4 When people first tasted food that had been cooked, they found it tasted better. However, 5 after this discovery, cooked food must have remained a rarity(奇事，奇物) 6 man learned how to make and light 7 .
Primitive(原始的) men who lived in hot regions (places) could depend on the heat of the sun 8 their food. For example, in the desert 9 of the southwestern United States, the Indians cooked their food by 10 it on a flat 11 in the hot sun. They cooked pieces of meat and thin cakes of corn meal with this 12 . We surmise(推测) that the earliest kitchen 13 was a stick 14 which a piece of meat could be attached and held over a fire. Later this stick was 15 by an iron rod(杆，棒) or spit which could be turned frequently to cook the meat 16 all sides.
Cooking food in water was 17 before man learned to make water containers that could not be 18 by fire.
The 19 cooking pots were reed(芦杆) or grass baskets in which soups and stews(炖过的食物) could be cooked. As early as 166 B. C., the Egyptians had learned to make 20 permanent(永久的，持久的) cooking pots out of sandstone. Many years later, the Eskimos learned to make similar pans.
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