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  3. The first man who cooked his food, instead of eating it raw, lived so long

The first man who cooked his food, instead of eating it raw, lived so long

游客2025-04-26  16
问题      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 【C1】______ thousands of years food was always eaten cold and 【C2】______. Perhaps the cooked food was heated accidentally by a 【C3】______ fire or by the melted lava from an erupting 【C4】______. When people first tasted food that had been cooked, they found it tasted better. However, 【C5】______ after this discover, cooked food must have remained a rarity 【C6】______ man learned how to make and light 【C7】______.
     Primitive men who lived in hot regions could depend on the heat of the sun 【C8】______ their food. For example, in the desert 【C9】______ of the southwestern. United States, the Indians cooked their food by 【C10】______ it on a flat 【C11】______ in the hot sun. They cooked piece of meat and thin cakes of com meal in this 【C12】______. We surmise that the earliest kitchen 【C13】______ was stick 【C14】______ which a piece of meat could be attached and held over a fire. Later this stick was 【C15】______ by an iron rod or spit which could be turned frequently to cook the meat 【C16】______ all sides.
      Cooking food in water was 【C17】______ before man learned to make water containers that could not be 【C18】______ by fire. The 【C19】______ cooking pots were reed or grass baskets in which soups, and stews could be cooked. As early as 166 B. C, the Egyptians had learned to make 【C20】______ permanent cooking pots out of sand stone. Many years later, the Eskimos learned to make similar pans. [br] 【C16】______
选项 A、by
B、on
C、over
D、at
答案 B
解析 on all side在每一面。
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