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
2023-07-15
50
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] 【B9】
选项
答案
the official date of the beginning of the photographs
解析
转载请注明原文地址:http://tihaiku.com/zcyy/2839753.html
相关试题推荐
Shefeltkeenlythrilled______(一想到要见他).atthethoughtofmeetinghim根据句法分析可知,本句为
Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolo
Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolo
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
Therearealotofgoodcamerasavailableatthe【B1】______.Mostofthesearema
[originaltext]M:So,whatareyourthoughtsonthisproject?Tobehonest,I’m
随机试题
AccordingtopsychologyprofessorCarolDweckofStanfordUniversity,"Prais
ThinkinginaForeignLanguageIfyouwanttothinkinafor
TheuseofdeferentiallanguageissymbolicoftheConfucianidealofthewo
Choosethecorrectletter,A,BorC.[br]Whathappensifyoureserveabook?A
关于外阴癌的描述,下列哪项是正确的A.外阴鳞状细胞癌约1/3发生在大阴唇 B.
人们通过视觉辨别色彩时,每一个色彩都可由()属性组合而成。A.色相 B.
以下对《历史文化名城名镇名村保护条例》中所指违法行为的描述最准确的是( )。A
弘扬以改革创新为核心的时代精神,必须大力推进 A.理论创新B.制度创新 C
运营管理部主要关注加款线路的设计。一条合理的加款线路,必须同时具备安全性与便捷性
A.四环素 B.利巴韦林 C.妥布霉素 D.氟康唑 E.林可霉素能抑制D
最新回复
(
0
)