首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Before the mid-nineteenth century, people in the United State eat most foods only in season. Drying, smoking, and salting could
Before the mid-nineteenth century, people in the United State eat most foods only in season. Drying, smoking, and salting could
admin
2011-06-29
76
问题
Before the mid-nineteenth century, people in the United State eat most foods only in season. Drying, smoking, and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited. There was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate. Suddenly all kinds of food could be preserved and bought at all times of the year.
Other trends and inventions had also helped make it possible for Americans to vary their daily diets. Growing urban populations created demand that encouraged fruit and vegetable farmers to raise more produce. Railroad refrigerator car enabled growers and meat packers to ship perishables great distance and to preserve them for longer periods. Thus, by the 1890’s, northern city dwellers could enjoy southern and western strawberries, grapes and tomatoes, previously available for a month at most, for up to six month of the year. In addition, increased use of iceboxes enabled families to store perishables. An easy means of producing ice commercially had been invented in the 1870’s, and by 1900 the nation had more than two thousand commercial ice plants, most of which made home deliveries. The icebox became a fixture in most homes and remained so until the mechanized refrigerator replaced it in the 1920’s and 1930’s.
Almost every one now had a more diversified diet. Some people continued to eat mainly foods that were heavy in starches or carbohydrates, and not everyone could afford meat. Nevertheless, many families could take advantage of previously unavailable fruits, vegetables, and dairy products to achieve more varied fare.
It can be inferred that railroad refrigerator cars came into use ______ .
选项
A、before 1860
B、after 1900
C、before 1890
D、after 1920
答案
C
解析
可从文中的“Railroad refrigerator cars enabled growers and meat packers to ship perishables great distances and to preserve them for longer periods.Thus,by the 1890’s,northern city dwellers could enjoy southern and western strawberries,grapes,and tomatoes,previously available for a month at most,for up to six months of the year.”推知,即1890年以前铁路冷藏车就开始使用了。
转载请注明原文地址:https://kaotiyun.com/show/Sg6O777K
0
考博英语
相关试题推荐
SprintWantsYourIPhoneRememberthemapwarsbetweenAT&TWirelessandVerizonWireless?SprintNextelthoughtitlookedl
Readthefollowingarticleaboutthecomputerindustry.Foreachquestion(23-28)ontheoppositepage,choosethecorrecta
Areyoualwayssureyouknowwhatpeoplemeanwhentheytrytodescribetheirfeelingstoyou?Weusebothwordsandgesturesto
Hehadwanteda25%raiseinpay,butaftertalkingtohisboss,hedecidedthata5%raisewouldhaveto______.
Thepricewepayforthissalutarychangeis,nodoubt,great.Weassemblethousandsofoperativeinthefactory,andinthemin
Thewonderswhichmedicalworkershavealreadybroughtaboutinthediagnosisandtreatmentofdiseasesuggestthatatimemayc
Inthatcountry,apersonwhomarriesbeforelegalagemusthaveaparent’s______toobtainalicense.
Inthefollowingpassage,PhilipRothistalkingtoafriend,Joanna,abouthisfather."DidIevertellyouwhathappenedwh
Yesterdayyouwereacclaimed;todayyouare______.Isn’tlifefullofupsanddowns?
Theyearof776BCisconsideredtobethefoundingdateoftheOlympicGamesinancientGreece.TheGameslastedmorethan11c
随机试题
箱式炉中的工件一般为单层排列,工件之间距离以10~30mm为宜。()
组织学习的作用有哪些?
处方中用以消除或减弱君、臣药毒性或制约其峻烈之性的药物,称为
多发性硬化的常见症状体征是
A、上颌第一恒磨牙的近中颊尖咬合在下颌第一恒磨牙颊沟的远中B、下颌第一恒磨牙的近中颊尖咬合在上颌第一恒磨牙颊沟的远中C、上颌第一恒磨牙的近中颊尖正对着下颌第一恒磨牙的颊沟D、下颌第一恒磨牙的近中颊尖正对着上颌第一恒磨牙的颊沟E、上颌第一恒磨牙的近中
急性肾小球肾炎时的高血压主要是由于
对于建设项目中个别评价工作等级低于()的单项影响评价,可根据具体情况进行简单的叙述、分析或不作叙述、分析。
事故隐患泛指生产系统中可导致事故发生的()。
根据合伙企业法律制度的规定,合伙企业解散清算时,企业财产首先应当清偿或支付的是()。
在法学上,一般认为,划分法律部门的主要依据是法律调整的对象和方法。()
最新回复
(
0
)