首页
登录
职称英语
By the mid-nineteenth century, the term "icebox" had entered the American la
By the mid-nineteenth century, the term "icebox" had entered the American la
游客
2024-06-01
25
管理
问题
By the mid-nineteenth century, the term "icebox" had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew with the growth of cities. Ice was used in hotels, taverns(酒馆), and hospitals, and by some forward-looking city dealers in fresh meat, fresh fish, and butter. After the Civil War(1861-1865), as ice was used to refrigerate freight cars, it also came into household use. Even before 1880, half of the ice sold in New York, Philadelphia, and Baltimore, and one-third of that sold in Boston and Chicago, went to families for their own use. This had become possible because a new household convenience, the icebox, a precursor of the modern fridge, had been invented.
Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was rudimentary(未发展的). The commonsense notion that the best icebox was one that prevented the ice from melting was of course mistaken, for it was the melting of the ice that performed the cooling. Nevertheless, early efforts to economize ice included wrapping up the ice in blankets, which kept the ice from doing its job. Not until near the end of the nineteenth century did inventors achieve the delicate balance of insulation and circulation needed for an efficient icebox.
But as early as 1803, and ingenious Maryland farmer, Thomas Moore, had been on the right track. He owned a farm about twenty miles outside the city of Washington, for which the village of Georgetown was the market center. When he used an icebox of his own design to transport his butter to market, he found that customers would pass up the rapidly melting stuff in the tubs of his competitors to pay a premium price for his butter, still fresh and hard in neat, one-pound bricks. One advantage of his icebox, Moore explained, was that farmers would no longer have to travel to market at night in order to keep their produce cool. [br] Where was ice used after the Civil War?
选项
答案
In refrigerating freight cars and households.
解析
题目询问在内战后冰被用在哪些地方。根据题干关键词Civil War可以定位至文章第一段第四句话,由...ice was used to refrigerate freight cars...into household use可知问题的答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3614653.html
相关试题推荐
Itwasnotuntiltheendofthe20thcenturythat__________________(我们才重视环境问题).
Longbeforethefirst【B1】______arrivedinAmerican,astrangelookinganim
Longbeforethefirst【B1】______arrivedinAmerican,astrangelookinganim
Longbeforethefirst【B1】______arrivedinAmerican,astrangelookinganim
Longbeforethefirst【B1】______arrivedinAmerican,astrangelookinganim
Longbeforethefirst【B1】______arrivedinAmerican,astrangelookinganim
AstheEnglishlanguagehaschangedatafastspeedinthiscentury,sohas
MasstransportationrevisedthesocialandeconomicfabricoftheAmericanc
MasstransportationrevisedthesocialandeconomicfabricoftheAmericanc
MasstransportationrevisedthesocialandeconomicfabricoftheAmericanc
随机试题
AcenturyagointheUnitedStates,whenanindividualbroughtsuitagainst
Peopletendtocollectpossessions,sometimeswithoutbeingawareofdoings
Itisverykindofyoutodothewashing-up,butyou______it.A、mustn’thavedo
有机磷杀虫药中毒需与下列哪项疾病相鉴别A、中暑 B、急性胃肠炎 C、脑炎
肝硬化患者内分泌紊乱症状不包括A:雌激素增多 B:男性乳房发育 C:月经失调
左边是给定的四面体外表面的展开图,右面哪一项能由它折叠而成? A.如上图所示
饭店在强调坚持制度管理的严肃性的同时,必须注意制度管理的艺术性,具体原则包括(
信贷人员在对客户进行法人治理结构评价时,要着重关注的因素有()。A.产销分工
按照收入法,最终增加值由()相加得出。A.劳动者报酬 B.生产税净额
设备衬胶前的表面处理宜采用喷砂除锈法。在喷砂前应除去铸件气孔中的空气及油垢等杂质
最新回复
(
0
)