首页
登录
职称英语
The camera is often thought to be a modem invention. But as early 1727, a Ge
The camera is often thought to be a modem invention. But as early 1727, a Ge
游客
2024-02-16
53
管理
问题
The camera is often thought to be a modem invention. But as early 1727, a German physicist 【B1】______ that light darkens silver salt in a chemical 【B2】______ . Using a camera, a big box with a small hole to let the light in, he made 【B3】______ images on the salt. Silver salt is still the 【B4】______ of film today. Then a French scientist made the first 【B5】______ picture by using a special 【B6】______ of metal sensitized with silver salt. A photography he made in 1826 still 【B7】______ . The painter, Daguerre improved on the process 【B8】______ placing common salt the kind we eat on the metal. This was in 1839, 【B9】______ , but the problem was the printing of photographs, and it wasn’t until other scientists developed the kind of paper we now use, that good printing was possible and photograph become truly modem. In 1860, Matthew Bradey was able to take his famous pictures of the American Civil War, 【B10】______ . In the 20th century, George Eastman of the United States simplified film developing, and Dr. Edwin Land invented the so-called "instant" camera with self developing film. 【B11】______ it has taken more than one hundred years for the camera to reach its present condition of technical refinement. [br] 【B6】
选项
答案
piece
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3456016.html
相关试题推荐
Whathethoughtanddidatschool______(与这个问题毫无关系)。hasnothingtodowiththisp
Noneofus____________(预料到他会出现)attheparty.Wethoughthewasstillinhospi
【B1】[br]【B2】A、heartB、mindC、moodD、thoughtBbearinmind为固定搭配,意为“切记”,相当于keep
Shefeltkeenlythrilled______(一想到要见他).atthethoughtofmeetinghim根据句法分析可知,本句为
Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolo
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
随机试题
______Mr.Leehadtoldmeyesterday,Iwouldhavegivenhimsomehelp,butnow
MaySartonhada(i)______career:it(ii)______from1929,whenPoetrymagazine
在无保证债券中,受偿等级最高的是( ),这也是公司债的主要形式。A.优先无保证
选择地铁基坑围护结构形式,应根据()等,经技术经济综合比较后确定。A、基坑深度
Thechangeinthatvillagewasmiraculou
急性呼吸衰竭高碳酸血症的临床表现不包括A.烦躁不安 B.出汗 C.皮肤潮红
小吴在服现役期间因公致残,因残疾情况较为严重,已不适合继续服役。根据规定,因战、
2016年前三季度,江苏省完成固定资产投资34898亿元,同比增长8.5%,增速
甲乙夫妻的下列哪一项婚后增值或所得,属于夫妻共同财产?A:甲婚前承包果园,婚后果
根据《政府投资条例》,初步设计提出的投资概算超过可行性研究报告提出的投资估算(
最新回复
(
0
)