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  3. Ice cream became popular in France in the 1500s, but only among royalty. Over the next few centuries, the process of making them

Ice cream became popular in France in the 1500s, but only among royalty. Over the next few centuries, the process of making them

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问题     Ice cream became popular in France in the 1500s, but only among royalty. Over the next few centuries, the process of making them【C1】______from hauling mountain ice to salt / ice freezing methods. Cream was introduced as a (an) 【C2】______, and by the 1700s, people were enjoying a dessert that was very【C3】______to today’s ice cream.
    The hand-cranked ice cream freezer was first developed by Nancy Johnson in 1846. Ice was readily【C4】______from large warehouses in that era, so ice cream became a【C5】______that could be enjoyed by almost anyone, not just the rich. Ice cream making was revolutionized again in 1851, when Jacob Fussel started the first wholesale ice cream manufacturing【C6】______in Baltimore, Maryland. The business slowly evolved for the next few【C7】______Manufacturing methods improved, 【C8】______refrigeration technology became cheaper and more【C9】______. By the 1920s, home refrigerators became more common, which gave the ice cream industry another【C10】______. Sugar was rationed in the U. S. during World War I, but the ice cream industry【C11】______the government that ice cream was a (an)【C12】______food. Ice cream factories were allotted (分配) sugar rations and production continued. Ice cream increased in【C13】______until the Depression years caused a drop in sales for【C14】______all non-essential goods. Sales increased in the years leading up to World War II before【C15】______off in the post-war years. The rise of the giant supermarket created demand for cheaper, mass-produced ice cream, but quality【C16】______. Later, the 1960s【C17】______a resurgence in high quality ice cream.
    Now ice cream still【C18】______up about 60 percent of the market【C19】______among frozen desserts. While ice cream is【C20】______worldwide, it has become an American tradition.
【C9】
选项 A、sufficient
B、adequate
C、competent
D、efficient
答案D
解析 形容词辨义题。根据前面提到的制造冰淇淋的方法得到了改良，制冷技术应该是变得更便宜、更高效，efficient“有效率的”符合题意。sufficient“足够的，充分的”；adequate“充足的”；competent“胜任的”，均不符合文意，故排除。
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大学英语四级

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